diff --git a/Tests/LoopAlgorithmTests/DoseHistoryTests.swift b/Tests/LoopAlgorithmTests/DoseHistoryTests.swift
new file mode 100644
index 0000000..9615456
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/DoseHistoryTests.swift
@@ -0,0 +1,351 @@
+//
+//  DoseHistoryTests.swift
+//  LoopAlgorithmTests
+//
+//  Copyright © 2026 LoopKit Authors. All rights reserved.
+//
+
+import XCTest
+@testable import LoopAlgorithm
+
+/// A dose in the pump event format of LoopKit's dose fixtures
+struct PumpEventDose {
+    enum Kind: String {
+        case basal = "BasalProfileStart"
+        case bolus = "Bolus"
+        case resume = "PumpResume"
+        case suspend = "PumpSuspend"
+        case tempBasal = "TempBasal"
+    }
+
+    var kind: Kind
+    var startDate: Date
+    var endDate: Date
+    var value: Double
+    var isRate: Bool
+    var deliveredUnits: Double? = nil
+    var scheduledBasalRate: Double? = nil
+
+    var programmedUnits: Double {
+        isRate ? value * endDate.timeIntervalSince(startDate).hours : value
+    }
+
+    var unitsInDeliverableIncrements: Double {
+        guard isRate else {
+            return deliveredUnits ?? programmedUnits
+        }
+        return deliveredUnits ?? round(programmedUnits * 20) / 20
+    }
+
+    func basalRelativeDose(with insulinModel: InsulinModel) -> BasalRelativeDose {
+        let type: BasalRelativeDoseType
+        switch kind {
+        case .bolus:
+            type = .bolus
+        case .basal:
+            type = .basal(scheduledRate: value)
+        case .resume, .suspend, .tempBasal:
+            type = .basal(scheduledRate: scheduledBasalRate ?? 0)
+        }
+        return BasalRelativeDose(type: type, startDate: startDate, endDate: endDate, volume: deliveredUnits ?? programmedUnits, insulinModel: insulinModel)
+    }
+
+    func insulinDose(with insulinModel: InsulinModel) -> MockInsulinDose {
+        MockInsulinDose(deliveryType: kind == .bolus ? .bolus : .basal, startDate: startDate, endDate: endDate,
+                        volume: deliveredUnits ?? programmedUnits, insulinModel: insulinModel)
+    }
+}
+
+struct MockInsulinDose: InsulinDose {
+    var deliveryType: InsulinDeliveryType
+    var startDate: Date
+    var endDate: Date
+    var volume: Double
+    var insulinModel: InsulinModel
+}
+
+/// John Walsh's IOB curves, as LoopKit's WalshInsulinModel; some fixtures were generated with it
+struct WalshInsulinModel: InsulinModel {
+    let actionDuration: TimeInterval
+    let delay: TimeInterval = 600
+
+    var effectDuration: TimeInterval { actionDuration + delay }
+
+    func percentEffectRemaining(at time: TimeInterval) -> Double {
+        let timeAfterDelay = time - delay
+        guard timeAfterDelay > 0 else { return 1 }
+        guard timeAfterDelay < actionDuration else { return 0 }
+
+        let nearestModeledDuration = TimeInterval(hours: min(6, max(3, round(actionDuration.hours))))
+        let minutes = timeAfterDelay.minutes * nearestModeledDuration / actionDuration
+
+        switch nearestModeledDuration {
+        case TimeInterval(hours: 3):
+            return -3.2030e-9 * pow(minutes, 4) + 1.354e-6 * pow(minutes, 3) - 1.759e-4 * pow(minutes, 2) + 9.255e-4 * minutes + 0.99951
+        case TimeInterval(hours: 4):
+            return -3.310e-10 * pow(minutes, 4) + 2.530e-7 * pow(minutes, 3) - 5.510e-5 * pow(minutes, 2) - 9.086e-4 * minutes + 0.99950
+        case TimeInterval(hours: 5):
+            return -2.950e-10 * pow(minutes, 4) + 2.320e-7 * pow(minutes, 3) - 5.550e-5 * pow(minutes, 2) + 4.490e-4 * minutes + 0.99300
+        default:
+            return -1.493e-10 * pow(minutes, 4) + 1.413e-7 * pow(minutes, 3) - 4.095e-5 * pow(minutes, 2) + 6.365e-4 * minutes + 0.99700
+        }
+    }
+}
+
+/// A repeating daily basal schedule, expanded the way LoopKit's DailyValueSchedule.between does for a
+/// fixed-offset time zone and a first item at midnight
+struct DailyBasalSchedule {
+    var items: [(startTime: TimeInterval, rate: Double)]
+    var timeZone: TimeZone
+
+    func between(start: Date, end: Date) -> [AbsoluteScheduleValue<Double>] {
+        var calendar = Calendar(identifier: .gregorian)
+        calendar.timeZone = timeZone
+        var day = calendar.startOfDay(for: start).addingTimeInterval(.hours(-24))
+        var values: [AbsoluteScheduleValue<Double>] = []
+        while day <= end {
+            for (index, item) in items.enumerated() {
+                let segmentStart = day.addingTimeInterval(item.startTime)
+                let segmentEnd = day.addingTimeInterval(index + 1 < items.count ? items[index + 1].startTime : .hours(24))
+                if segmentEnd > start && segmentStart <= end {
+                    values.append(AbsoluteScheduleValue(startDate: segmentStart, endDate: segmentEnd, value: item.rate))
+                }
+            }
+            day = day.addingTimeInterval(.hours(24))
+        }
+        return values
+    }
+}
+
+final class DoseHistoryTests: XCTestCase {
+
+    private let fixtureTimeZone = TimeZone(secondsFromGMT: 0)!
+
+    let exponentialModel = ExponentialInsulinModel(actionDuration: .minutes(360), peakActivityTime: .minutes(75))
+
+    let walshModel = WalshInsulinModel(actionDuration: .hours(4))
+
+    private func fixtureDate(_ input: String) -> Date {
+        let formatter = DateFormatter.descriptionFormatter
+        formatter.timeZone = fixtureTimeZone
+        return formatter.date(from: input)!
+    }
+
+    func loadDoseFixture(_ resourceName: String) -> [PumpEventDose] {
+        let fixture: [JSONDictionary] = loadFixture(resourceName)
+        let dateFormatter = ISO8601DateFormatter.localTimeDate(timeZone: fixtureTimeZone)
+
+        return fixture.compactMap {
+            guard let kind = PumpEventDose.Kind(rawValue: $0["type"] as! String) else {
+                return nil
+            }
+            return PumpEventDose(
+                kind: kind,
+                startDate: dateFormatter.date(from: $0["start_at"] as! String)!,
+                endDate: dateFormatter.date(from: $0["end_at"] as! String)!,
+                value: $0["amount"] as! Double,
+                isRate: $0["unit"] as! String == "U/hour",
+                deliveredUnits: $0["delivered"] as? Double,
+                scheduledBasalRate: $0["scheduled"] as? Double
+            )
+        }
+    }
+
+    func loadInsulinValueFixture(_ resourceName: String) -> [InsulinValue] {
+        let fixture: [JSONDictionary] = loadFixture(resourceName)
+        let dateFormatter = ISO8601DateFormatter.localTimeDate(timeZone: fixtureTimeZone)
+
+        return fixture.map {
+            InsulinValue(startDate: dateFormatter.date(from: $0["date"] as! String)!, value: $0["value"] as! Double)
+        }
+    }
+
+    func loadBasalScheduleFixture(_ resourceName: String) -> DailyBasalSchedule {
+        let fixture: [JSONDictionary] = loadFixture(resourceName)
+        return DailyBasalSchedule(items: fixture.map { (.minutes($0["minutes"] as! Double), $0["rate"] as! Double) }, timeZone: fixtureTimeZone)
+    }
+
+    func testIOBFromSuspend() {
+        let input = loadDoseFixture("suspend_dose_reconciled")
+        let normalizedOutput = loadDoseFixture("suspend_dose_reconciled_normalized")
+        let iobOutput = loadInsulinValueFixture("suspend_dose_reconciled_normalized_iob")
+        let basals = loadBasalScheduleFixture("basal")
+
+        let basalTimeline = basals.between(start: input.first!.startDate, end: input.first!.startDate)
+
+        let normalized = input.map { $0.insulinDose(with: walshModel) }.annotated(with: basalTimeline)
+
+        XCTAssertEqual(normalizedOutput.count, normalized.count)
+
+        for (expected, calculated) in zip(normalizedOutput, normalized) {
+            XCTAssertEqual(expected.startDate, calculated.startDate)
+            XCTAssertEqual(expected.endDate, calculated.endDate)
+            XCTAssertEqual(expected.value, calculated.netBasalUnitsPerHour, accuracy: Double(Float.ulpOfOne))
+        }
+
+        let iob = normalized.insulinOnBoardTimeline(longestEffectDuration: walshModel.effectDuration)
+
+        XCTAssertEqual(iobOutput.count, iob.count)
+
+        for (expected, calculated) in zip(iobOutput, iob) {
+            XCTAssertEqual(expected.startDate, calculated.startDate)
+            XCTAssertEqual(expected.value, calculated.value, accuracy: Double(Float.ulpOfOne))
+        }
+    }
+
+    func testIOBFromDoses() {
+        let input = loadDoseFixture("normalized_doses")
+        let output = loadInsulinValueFixture("iob_from_doses_output")
+
+        let iob = input.map { $0.basalRelativeDose(with: walshModel) }.insulinOnBoardTimeline(longestEffectDuration: walshModel.effectDuration)
+
+        XCTAssertEqual(output.count, iob.count)
+
+        for (expected, calculated) in zip(output, iob) {
+            XCTAssertEqual(expected.startDate, calculated.startDate)
+            XCTAssertEqual(expected.value, calculated.value, accuracy: 0.5)
+        }
+    }
+
+    func testIOBFromNoDoses() {
+        let input: [BasalRelativeDose] = []
+
+        XCTAssertEqual(0, input.insulinOnBoardTimeline(longestEffectDuration: ExponentialInsulinModelPreset.rapidActingAdult.effectDuration).count)
+    }
+
+    func testIOBFromDosesExponential() {
+        let input = loadDoseFixture("normalized_doses")
+        let output = loadInsulinValueFixture("iob_from_doses_exponential_output")
+
+        let iob = input.map { $0.basalRelativeDose(with: exponentialModel) }.insulinOnBoardTimeline()
+
+        XCTAssertEqual(output.count, iob.count)
+
+        for (expected, calculated) in zip(output, iob) {
+            XCTAssertEqual(expected.startDate, calculated.startDate)
+            XCTAssertEqual(expected.value, calculated.value, accuracy: 0.5)
+        }
+    }
+
+    func testIOBFromDosesWithDifferentInsulinCurves() {
+        let f = fixtureDate
+        let output = loadInsulinValueFixture("iob_from_multiple_curves_output")
+
+        let doses = [
+            PumpEventDose(kind: .basal, startDate: f("2018-05-15 14:42:36 +0000"), endDate: f("2018-05-16 14:42:36 +0000"), value: 0.84999999999999998, isRate: true),
+            PumpEventDose(kind: .bolus, startDate: f("2018-05-15 14:44:46 +0000"), endDate: f("2018-05-15 14:44:46 +0000"), value: 0.9, isRate: false),
+            PumpEventDose(kind: .tempBasal, startDate: f("2018-05-15 14:42:36 +0000"), endDate: f("2018-05-15 14:42:36 +0000"), value: 0.0, isRate: true),
+            PumpEventDose(kind: .tempBasal, startDate: f("2018-05-15 14:32:51 +0000"), endDate: f("2018-05-15 15:02:51 +0000"), value: 1.8999999999999999, isRate: true),
+            PumpEventDose(kind: .bolus, startDate: f("2018-05-15 14:52:51 +0000"), endDate: f("2018-05-15 15:52:51 +0000"), value: 0.9, isRate: false),
+        ]
+
+        let iobWithoutModel = doses.map { $0.basalRelativeDose(with: exponentialModel) }.insulinOnBoardTimeline()
+
+        // The first bolus is Fiasp; everything else uses the child curve.
+        let models: [InsulinModel] = [ExponentialInsulinModelPreset.rapidActingChild, ExponentialInsulinModelPreset.fiasp,
+                                      ExponentialInsulinModelPreset.rapidActingChild, ExponentialInsulinModelPreset.rapidActingChild,
+                                      ExponentialInsulinModelPreset.rapidActingChild]
+        let iobWithModel = zip(doses, models).map { $0.basalRelativeDose(with: $1) }.insulinOnBoardTimeline()
+
+        XCTAssertEqual(iobWithoutModel.count, iobWithModel.count)
+
+        for (expected, calculated) in zip(output, iobWithModel) {
+            XCTAssertEqual(expected.startDate, calculated.startDate)
+            XCTAssertEqual(expected.value, calculated.value, accuracy: 0.00001)
+        }
+    }
+
+    func testIOBFromReservoirDoses() {
+        let input = loadDoseFixture("normalized_reservoir_history_output")
+        let output = loadInsulinValueFixture("iob_from_reservoir_output")
+
+        let iob = input.map { $0.basalRelativeDose(with: walshModel) }.insulinOnBoardTimeline(longestEffectDuration: walshModel.effectDuration)
+
+        XCTAssertEqual(output.count, iob.count)
+
+        for (expected, calculated) in zip(output, iob) {
+            XCTAssertEqual(expected.startDate, calculated.startDate)
+            XCTAssertEqual(expected.value, calculated.value, accuracy: 0.01)
+        }
+    }
+
+    func testNormalizeReservoirDoses() {
+        let input = loadDoseFixture("reservoir_history_with_rewind_and_prime_output")
+        let output = loadDoseFixture("normalized_reservoir_history_output")
+        let basalTimeline = loadBasalScheduleFixture("basal").between(start: input.last!.startDate, end: input.first!.endDate)
+
+        let doses = input.map { $0.insulinDose(with: ExponentialInsulinModelPreset.rapidActingAdult) }.annotated(with: basalTimeline)
+
+        XCTAssertEqual(output.count, doses.count)
+
+        // Total delivery on split doses should add up to delivery from original doses
+        XCTAssertEqual(
+            input.map(\.unitsInDeliverableIncrements).reduce(0, +),
+            doses.map(\.volume).reduce(0, +),
+            accuracy: Double(Float.ulpOfOne))
+
+        for (expected, calculated) in zip(output, doses) {
+            XCTAssertEqual(expected.startDate, calculated.startDate)
+            XCTAssertEqual(expected.endDate, calculated.endDate)
+            XCTAssertEqual(expected.value, calculated.volume / calculated.duration.hours, accuracy: Double(Float.ulpOfOne))
+            switch calculated.type {
+            case .basal(let scheduledRate):
+                XCTAssertEqual(expected.scheduledBasalRate, scheduledRate)
+            case .bolus:
+                XCTFail("Unexpected bolus in dose history")
+            }
+        }
+    }
+
+    func testNormalizeEdgeCaseDoses() {
+        assertNormalizes("normalize_edge_case_doses_input", into: "normalize_edge_case_doses_output")
+    }
+
+    func testNormalizeEdgeCaseDosesMutable() {
+        assertNormalizes("normalize_edge_case_doses_mutable_input", into: "normalize_edge_case_doses_mutable_output")
+    }
+
+    private func assertNormalizes(_ inputName: String, into outputName: String, line: UInt = #line) {
+        let input = loadDoseFixture(inputName)
+        let output = loadDoseFixture(outputName)
+        let basalTimeline = loadBasalScheduleFixture("basal").between(start: input.first!.startDate, end: input.last!.endDate)
+
+        let doses = input.map { $0.insulinDose(with: ExponentialInsulinModelPreset.rapidActingAdult) }.annotated(with: basalTimeline)
+
+        XCTAssertEqual(output.count, doses.count, line: line)
+
+        for (expected, calculated) in zip(output, doses) {
+            XCTAssertEqual(expected.startDate, calculated.startDate, line: line)
+            XCTAssertEqual(expected.endDate, calculated.endDate, line: line)
+            XCTAssertEqual(expected.value, expected.isRate ? calculated.netBasalUnitsPerHour : calculated.netBasalUnits, accuracy: 0.01, line: line)
+        }
+    }
+
+    func testAnnotateSplitsDeliveredUnitsProportionally() {
+        assertSplitsProportionally(deliveredUnits: 0.1)
+    }
+
+    func testAnnotateSplitsPartialDeliveryProportionally() {
+        assertSplitsProportionally(deliveredUnits: 0.05)
+    }
+
+    private func assertSplitsProportionally(deliveredUnits: Double, line: UInt = #line) {
+        // A 5 minute temp basal starting one minute before a basal schedule change at noon
+        let startDate = fixtureDate("2018-07-16 11:59:00 +0000")
+        let endDate = startDate.addingTimeInterval(.minutes(5))
+        let dose = PumpEventDose(kind: .tempBasal, startDate: startDate, endDate: endDate, value: 1, isRate: true, deliveredUnits: deliveredUnits)
+        let basals = loadBasalScheduleFixture("basal").between(start: startDate, end: endDate)
+
+        let splitDoses = [dose.insulinDose(with: ExponentialInsulinModelPreset.rapidActingAdult)].annotated(with: basals)
+
+        XCTAssertEqual(2, splitDoses.count, line: line)
+        XCTAssertEqual(deliveredUnits * 1.0/5.0, splitDoses[0].volume, accuracy: .ulpOfOne, line: line)
+        XCTAssertEqual(deliveredUnits * 4.0/5.0, splitDoses[1].volume, accuracy: .ulpOfOne, line: line)
+    }
+}
+
+private extension BasalRelativeDose {
+    var netBasalUnitsPerHour: Double {
+        duration > 0 ? netBasalUnits / duration.hours : 0
+    }
+}
diff --git a/Tests/LoopAlgorithmTests/Fixtures/basal.json b/Tests/LoopAlgorithmTests/Fixtures/basal.json
new file mode 100644
index 0000000..98f572d
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/basal.json
@@ -0,0 +1,44 @@
+[
+  {
+    "i": 0, 
+    "start": "00:00:00", 
+    "rate": 0.9, 
+    "minutes": 0
+  }, 
+  {
+    "i": 1, 
+    "start": "04:00:00", 
+    "rate": 0.925, 
+    "minutes": 240
+  }, 
+  {
+    "i": 2, 
+    "start": "07:00:00", 
+    "rate": 0.85, 
+    "minutes": 420
+  }, 
+  {
+    "i": 3, 
+    "start": "10:00:00", 
+    "rate": 0.85, 
+    "minutes": 600
+  }, 
+  {
+    "i": 4, 
+    "start": "12:00:00", 
+    "rate": 0.75, 
+    "minutes": 720
+  }, 
+  {
+    "i": 5, 
+    "start": "15:00:00", 
+    "rate": 0.8, 
+    "minutes": 900
+  }, 
+  {
+    "i": 6, 
+    "start": "22:00:00", 
+    "rate": 0.9, 
+    "minutes": 1320
+  }
+]
\ No newline at end of file
diff --git a/Tests/LoopAlgorithmTests/Fixtures/iob_from_doses_exponential_output.json b/Tests/LoopAlgorithmTests/Fixtures/iob_from_doses_exponential_output.json
new file mode 100644
index 0000000..6f86752
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/iob_from_doses_exponential_output.json
@@ -0,0 +1,642 @@
+[
+  {
+    "date" : "2015-10-15T18:05:00",
+    "unit" : "U",
+    "value" : 0
+  },
+  {
+    "date" : "2015-10-15T18:10:00",
+    "unit" : "U",
+    "value" : -0.018750000000000003
+  },
+  {
+    "date" : "2015-10-15T18:15:00",
+    "unit" : "U",
+    "value" : -0.020083333333333335
+  },
+  {
+    "date" : "2015-10-15T18:20:00",
+    "unit" : "U",
+    "value" : -0.08674967391190945
+  },
+  {
+    "date" : "2015-10-15T18:25:00",
+    "unit" : "U",
+    "value" : -0.1533638209815783
+  },
+  {
+    "date" : "2015-10-15T18:30:00",
+    "unit" : "U",
+    "value" : -0.21985157514541492
+  },
+  {
+    "date" : "2015-10-15T18:35:00",
+    "unit" : "U",
+    "value" : -0.28594868294984466
+  },
+  {
+    "date" : "2015-10-15T18:40:00",
+    "unit" : "U",
+    "value" : -0.35138913185798915
+  },
+  {
+    "date" : "2015-10-15T18:45:00",
+    "unit" : "U",
+    "value" : -0.41460789687197663
+  },
+  {
+    "date" : "2015-10-15T18:50:00",
+    "unit" : "U",
+    "value" : -0.41140454839697138
+  },
+  {
+    "date" : "2015-10-15T18:55:00",
+    "unit" : "U",
+    "value" : -0.40694042602624531
+  },
+  {
+    "date" : "2015-10-15T19:00:00",
+    "unit" : "U",
+    "value" : -0.40111368746478182
+  },
+  {
+    "date" : "2015-10-15T19:05:00",
+    "unit" : "U",
+    "value" : -0.45918724201570321
+  },
+  {
+    "date" : "2015-10-15T19:10:00",
+    "unit" : "U",
+    "value" : -0.51777937898327886
+  },
+  {
+    "date" : "2015-10-15T19:15:00",
+    "unit" : "U",
+    "value" : -0.57545506272901459
+  },
+  {
+    "date" : "2015-10-15T19:20:00",
+    "unit" : "U",
+    "value" : -0.67031079437724594
+  },
+  {
+    "date" : "2015-10-15T19:25:00",
+    "unit" : "U",
+    "value" : -0.65308790247022863
+  },
+  {
+    "date" : "2015-10-15T19:30:00",
+    "unit" : "U",
+    "value" : 4.5844563428505971
+  },
+  {
+    "date" : "2015-10-15T19:35:00",
+    "unit" : "U",
+    "value" : 4.8234744416481918
+  },
+  {
+    "date" : "2015-10-15T19:40:00",
+    "unit" : "U",
+    "value" : 5.0555348107831648
+  },
+  {
+    "date" : "2015-10-15T19:45:00",
+    "unit" : "U",
+    "value" : 5.2654029256034685
+  },
+  {
+    "date" : "2015-10-15T19:50:00",
+    "unit" : "U",
+    "value" : 5.4543457491633829
+  },
+  {
+    "date" : "2015-10-15T19:55:00",
+    "unit" : "U",
+    "value" : 5.5796818289595951
+  },
+  {
+    "date" : "2015-10-15T20:00:00",
+    "unit" : "U",
+    "value" : 5.7313776281043038
+  },
+  {
+    "date" : "2015-10-15T20:05:00",
+    "unit" : "U",
+    "value" : 5.866534076169672
+  },
+  {
+    "date" : "2015-10-15T20:10:00",
+    "unit" : "U",
+    "value" : 9.3515233597392591
+  },
+  {
+    "date" : "2015-10-15T20:15:00",
+    "unit" : "U",
+    "value" : 9.2639948506563528
+  },
+  {
+    "date" : "2015-10-15T20:20:00",
+    "unit" : "U",
+    "value" : 9.1250155710516587
+  },
+  {
+    "date" : "2015-10-15T20:25:00",
+    "unit" : "U",
+    "value" : 8.959613360663484
+  },
+  {
+    "date" : "2015-10-15T20:30:00",
+    "unit" : "U",
+    "value" : 8.7679394277654108
+  },
+  {
+    "date" : "2015-10-15T20:35:00",
+    "unit" : "U",
+    "value" : 8.4976351667316088
+  },
+  {
+    "date" : "2015-10-15T20:40:00",
+    "unit" : "U",
+    "value" : 8.2718009242472466
+  },
+  {
+    "date" : "2015-10-15T20:45:00",
+    "unit" : "U",
+    "value" : 7.9677397922764914
+  },
+  {
+    "date" : "2015-10-15T20:50:00",
+    "unit" : "U",
+    "value" : 7.6531423110771213
+  },
+  {
+    "date" : "2015-10-15T20:55:00",
+    "unit" : "U",
+    "value" : 7.3305121057107296
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diff --git a/Tests/LoopAlgorithmTests/Fixtures/iob_from_doses_output.json b/Tests/LoopAlgorithmTests/Fixtures/iob_from_doses_output.json
new file mode 100644
index 0000000..b657023
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/iob_from_doses_output.json
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diff --git a/Tests/LoopAlgorithmTests/Fixtures/iob_from_multiple_curves_output.json b/Tests/LoopAlgorithmTests/Fixtures/iob_from_multiple_curves_output.json
new file mode 100644
index 0000000..59d6d88
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/iob_from_multiple_curves_output.json
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diff --git a/Tests/LoopAlgorithmTests/Fixtures/iob_from_reservoir_output.json b/Tests/LoopAlgorithmTests/Fixtures/iob_from_reservoir_output.json
new file mode 100644
index 0000000..00dde41
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+]
\ No newline at end of file
diff --git a/Tests/LoopAlgorithmTests/Fixtures/normalize_edge_case_doses_input.json b/Tests/LoopAlgorithmTests/Fixtures/normalize_edge_case_doses_input.json
new file mode 100644
index 0000000..5f1b6ab
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/normalize_edge_case_doses_input.json
@@ -0,0 +1,16 @@
+[
+    {
+        "type": "TempBasal",
+        "start_at": "2015-07-12T23:59:59",
+        "end_at": "2015-07-13T07:54:00",
+        "amount": 2.0,
+        "unit": "U/hour"
+    },
+    {
+        "type": "Bolus",
+        "start_at": "2015-07-13T11:00:00",
+        "end_at": "2015-07-13T11:00:00",
+        "amount": 3.0,
+        "unit": "U"
+    }
+]
\ No newline at end of file
diff --git a/Tests/LoopAlgorithmTests/Fixtures/normalize_edge_case_doses_mutable_input.json b/Tests/LoopAlgorithmTests/Fixtures/normalize_edge_case_doses_mutable_input.json
new file mode 100644
index 0000000..329f46b
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/normalize_edge_case_doses_mutable_input.json
@@ -0,0 +1,18 @@
+[
+    {
+        "type": "TempBasal",
+        "start_at": "2015-07-12T23:59:59",
+        "end_at": "2015-07-13T07:54:00",
+        "amount": 2.0,
+        "unit": "U/hour",
+        "isMutable": true
+    },
+    {
+        "type": "Bolus",
+        "start_at": "2015-07-13T11:00:00",
+        "end_at": "2015-07-13T11:00:00",
+        "amount": 3.0,
+        "unit": "U",
+        "isMutable": true
+    }
+]
diff --git a/Tests/LoopAlgorithmTests/Fixtures/normalize_edge_case_doses_mutable_output.json b/Tests/LoopAlgorithmTests/Fixtures/normalize_edge_case_doses_mutable_output.json
new file mode 100644
index 0000000..583c312
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/normalize_edge_case_doses_mutable_output.json
@@ -0,0 +1,42 @@
+[
+    {
+        "type": "TempBasal",
+        "start_at": "2015-07-12T23:59:59",
+        "end_at": "2015-07-13T00:00:00",
+        "amount": 1.1,
+        "unit": "U/hour",
+        "isMutable": true
+    },
+    {
+        "type": "TempBasal",
+        "start_at": "2015-07-13T00:00:00",
+        "end_at": "2015-07-13T04:00:00",
+        "amount": 1.1,
+        "unit": "U/hour",
+        "isMutable": true
+    },
+    {
+        "type": "TempBasal",
+        "start_at": "2015-07-13T04:00:00",
+        "end_at": "2015-07-13T07:00:00",
+        "amount": 1.075,
+        "unit": "U/hour",
+        "isMutable": true
+    },
+    {
+        "type": "TempBasal",
+        "start_at": "2015-07-13T07:00:00",
+        "end_at": "2015-07-13T07:54:00",
+        "amount": 1.15,
+        "unit": "U/hour",
+        "isMutable": true
+    },
+    {
+        "type": "Bolus",
+        "start_at": "2015-07-13T11:00:00",
+        "end_at": "2015-07-13T11:00:00",
+        "amount": 3.0,
+        "unit": "U",
+        "isMutable": true
+    }
+]
diff --git a/Tests/LoopAlgorithmTests/Fixtures/normalize_edge_case_doses_output.json b/Tests/LoopAlgorithmTests/Fixtures/normalize_edge_case_doses_output.json
new file mode 100644
index 0000000..52f0943
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/normalize_edge_case_doses_output.json
@@ -0,0 +1,37 @@
+[
+    {
+        "type": "TempBasal",
+        "start_at": "2015-07-12T23:59:59",
+        "end_at": "2015-07-13T00:00:00",
+        "amount": 1.1,
+        "unit": "U/hour"
+    },
+    {
+        "type": "TempBasal",
+        "start_at": "2015-07-13T00:00:00",
+        "end_at": "2015-07-13T04:00:00",
+        "amount": 1.1,
+        "unit": "U/hour"
+    },
+    {
+        "type": "TempBasal",
+        "start_at": "2015-07-13T04:00:00",
+        "end_at": "2015-07-13T07:00:00",
+        "amount": 1.075,
+        "unit": "U/hour"
+    },
+    {
+        "type": "TempBasal",
+        "start_at": "2015-07-13T07:00:00",
+        "end_at": "2015-07-13T07:54:00",
+        "amount": 1.15,
+        "unit": "U/hour"
+    },
+    {
+        "type": "Bolus",
+        "start_at": "2015-07-13T11:00:00",
+        "end_at": "2015-07-13T11:00:00",
+        "amount": 3.0,
+        "unit": "U"
+    }
+]
\ No newline at end of file
diff --git a/Tests/LoopAlgorithmTests/Fixtures/normalized_doses.json b/Tests/LoopAlgorithmTests/Fixtures/normalized_doses.json
new file mode 100644
index 0000000..127adea
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/normalized_doses.json
@@ -0,0 +1,171 @@
+[
+  {
+    "amount": 3.225,
+    "start_at": "2015-10-15T22:00:00",
+    "description": "TempBasal: 3.125U/hour over 30min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T22:29:50",
+    "scheduled": 1.0,
+    "isMutable": true
+  },
+  {
+    "amount": 3.325,
+    "start_at": "2015-10-15T21:59:50",
+    "description": "TempBasal: 3.125U/hour over 30min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T22:00:00",
+    "scheduled": 1.0
+  },
+  {
+    "amount": 1.09999999999999998,
+    "start_at": "2015-10-15T21:39:49",
+    "description": "TempBasal: 0.9U/hour over 4min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T21:43:49",
+    "scheduled": 1.0
+  },
+  {
+    "start_at": "2015-10-15T21:35:12",
+    "description": "Normal bolus: 4.0U",
+    "end_at": "2015-10-15T21:35:12",
+    "amount": 4.0,
+    "type": "Bolus",
+    "unit": "U"
+  },
+  {
+    "amount": 2.075,
+    "start_at": "2015-10-15T21:04:34",
+    "description": "TempBasal: 1.875U/hour over 10min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T21:14:34",
+    "scheduled": 1.0
+  },
+  {
+    "amount": 2.7,
+    "start_at": "2015-10-15T21:00:04",
+    "description": "TempBasal: 2.5U/hour over 4min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T21:04:04",
+    "scheduled": 1.0
+  },
+  {
+    "amount": 0.0,
+    "start_at": "2015-10-15T20:39:52",
+    "description": "TempBasal: 0.0U/hour over 20min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T20:59:52",
+    "scheduled": 0.8
+  },
+  {
+    "amount": 0.05,
+    "start_at": "2015-10-15T20:34:34",
+    "description": "TempBasal: 0.05U/hour over 5min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T20:39:34",
+    "scheduled": 0.8
+  },
+  {
+    "amount": 0.95,
+    "start_at": "2015-10-15T20:29:51",
+    "description": "TempBasal: 0.75U/hour over 4min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T20:33:51",
+    "scheduled": 1.0
+  },
+  {
+    "amount": 1.375,
+    "start_at": "2015-10-15T20:14:37",
+    "description": "TempBasal: 1.175U/hour over 5min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T20:19:37",
+    "scheduled": 1.0
+  },
+  {
+    "amount": 2.075,
+    "start_at": "2015-10-15T20:09:52",
+    "description": "TempBasal: 1.875U/hour over 4min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T20:13:52",
+    "scheduled": 1.0
+  },
+  {
+    "start_at": "2015-10-15T20:05:10",
+    "description": "Normal bolus: 3.3U",
+    "end_at": "2015-10-15T20:05:10",
+    "amount": 3.3,
+    "type": "Bolus",
+    "unit": "U"
+  },
+  {
+    "amount": 3.7,
+    "start_at": "2015-10-15T19:54:51",
+    "description": "TempBasal: 3.5U/hour over 15min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T20:09:51",
+    "scheduled": 1.0
+  },
+  {
+    "start_at": "2015-10-15T19:25:54",
+    "description": "Normal bolus: 5.0U",
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+    "amount": 5.0,
+    "type": "Bolus",
+    "unit": "U"
+  },
+  {
+    "amount": 3.7,
+    "start_at": "2015-10-15T19:24:52",
+    "description": "TempBasal: 3.5U/hour over 29min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T19:53:52",
+    "scheduled": 1.0
+  },
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+    "start_at": "2015-10-15T19:19:39",
+    "description": "TempBasal: 0.2U/hour over 5min",
+    "type": "TempBasal",
+    "unit": "U/hour",
+    "end_at": "2015-10-15T19:24:39",
+    "scheduled": 1.0
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+  {
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+    "description": "TempBasal: 0.0U/hour over 19min",
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+    "scheduled": 1.0
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+    "type": "TempBasal",
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+    "scheduled": 0.8
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+    "description": "TempBasal: 0.575U/hour over 5min",
+    "type": "TempBasal",
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+]
diff --git a/Tests/LoopAlgorithmTests/Fixtures/normalized_reservoir_history_output.json b/Tests/LoopAlgorithmTests/Fixtures/normalized_reservoir_history_output.json
new file mode 100644
index 0000000..131d0cc
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/normalized_reservoir_history_output.json
@@ -0,0 +1,434 @@
+[
+  {
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+  {
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+  {
+    "start_at" : "2016-01-30T15:40:49",
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+]
diff --git a/Tests/LoopAlgorithmTests/Fixtures/reservoir_history_with_rewind_and_prime_output.json b/Tests/LoopAlgorithmTests/Fixtures/reservoir_history_with_rewind_and_prime_output.json
new file mode 100644
index 0000000..ff5dbd2
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/reservoir_history_with_rewind_and_prime_output.json
@@ -0,0 +1,434 @@
+[
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T20:30:43",
+    "description": "Reservoir decreased 0.075U over 4.97min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T20:35:41"
+  },
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T20:25:42",
+    "description": "Reservoir decreased 0.075U over 5.02min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T20:30:43"
+  },
+  {
+    "amount": 0.05,
+    "start_at": "2016-01-30T20:20:42",
+    "description": "Reservoir decreased 0.05U over 5.00min",
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+    "unit": "U",
+    "end_at": "2016-01-30T20:25:42"
+  },
+  {
+    "amount": 1.2,
+    "start_at": "2016-01-30T20:15:41",
+    "description": "Reservoir decreased 1.2U over 5.02min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T20:20:42"
+  },
+  {
+    "amount": 0.25,
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+    "description": "Reservoir decreased 0.25U over 4.98min",
+    "type": "TempBasal",
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+    "end_at": "2016-01-30T20:15:41"
+  },
+  {
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+    "description": "Reservoir decreased 0.2U over 5.00min",
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+  },
+  {
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+    "start_at": "2016-01-30T20:00:41",
+    "description": "Reservoir decreased 0.25U over 5.02min",
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+    "unit": "U",
+    "end_at": "2016-01-30T20:05:42"
+  },
+  {
+    "amount": 0.15,
+    "start_at": "2016-01-30T19:55:41",
+    "description": "Reservoir decreased 0.15U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T20:00:41"
+  },
+  {
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+    "description": "Reservoir decreased 0.2U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T19:55:41"
+  },
+  {
+    "amount": 0.1,
+    "start_at": "2016-01-30T19:45:41",
+    "description": "Reservoir decreased 0.1U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T19:50:41"
+  },
+  {
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+    "start_at": "2016-01-30T19:40:41",
+    "description": "Reservoir decreased 0.075U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T19:45:41"
+  },
+  {
+    "amount": 0.80,
+    "start_at": "2016-01-30T19:35:42",
+    "description": "Reservoir decreased 0.80U over 4.98min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T19:40:41"
+  },
+  {
+    "amount": 0.7,
+    "start_at": "2016-01-30T19:25:42",
+    "description": "Reservoir decreased 0.7U over 10.00min",
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+  },
+  {
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+    "description": "Reservoir decreased 0.05U over 5.00min",
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+    "unit": "U",
+    "end_at": "2016-01-30T19:25:42"
+  },
+  {
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+    "start_at": "2016-01-30T19:15:42",
+    "description": "Reservoir decreased 0.075U over 5.00min",
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+    "unit": "U",
+    "end_at": "2016-01-30T19:20:42"
+  },
+  {
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+    "description": "Reservoir decreased 0.075U over 5.02min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T19:15:42"
+  },
+  {
+    "amount": 0.05,
+    "start_at": "2016-01-30T19:05:42",
+    "description": "Reservoir decreased 0.05U over 4.98min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T19:10:41"
+  },
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T19:00:42",
+    "description": "Reservoir decreased 0.075U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T19:05:42"
+  },
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T18:55:41",
+    "description": "Reservoir decreased 0.075U over 5.02min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T19:00:42"
+  },
+  {
+    "amount": 0.0,
+    "start_at": "2016-01-30T18:50:41",
+    "description": "Reservoir decreased 0.0U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T18:55:41"
+  },
+  {
+    "amount": 0.0,
+    "start_at": "2016-01-30T18:45:41",
+    "description": "Reservoir decreased 0.0U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T18:50:41"
+  },
+  {
+    "amount": 0.025,
+    "start_at": "2016-01-30T18:40:43",
+    "description": "Reservoir decreased 0.025U over 4.97min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T18:45:41"
+  },
+  {
+    "amount": 0.05,
+    "start_at": "2016-01-30T18:35:41",
+    "description": "Reservoir decreased 0.05U over 5.03min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T18:40:43"
+  },
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T18:30:42",
+    "description": "Reservoir decreased 0.075U over 4.98min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T18:35:41"
+  },
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T18:25:43",
+    "description": "Reservoir decreased 0.075U over 4.98min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T18:30:42"
+  },
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T18:20:42",
+    "description": "Reservoir decreased 0.075U over 5.02min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T18:25:43"
+  },
+  {
+    "amount": 0.0,
+    "start_at": "2016-01-30T18:10:42",
+    "description": "Reservoir decreased 0.0U over 5.03min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T18:15:44"
+  },
+  {
+    "amount": 0.025,
+    "start_at": "2016-01-30T18:05:42",
+    "description": "Reservoir decreased 0.025U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T18:10:42"
+  },
+  {
+    "amount": 1.375,
+    "start_at": "2016-01-30T18:00:42",
+    "description": "Reservoir decreased 1.375U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T18:05:42"
+  },
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T17:55:42",
+    "description": "Reservoir decreased 0.075U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T18:00:42"
+  },
+  {
+    "amount": 0.05,
+    "start_at": "2016-01-30T17:50:44",
+    "description": "Reservoir decreased 0.05U over 4.97min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T17:55:42"
+  },
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T17:45:44",
+    "description": "Reservoir decreased 0.075U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T17:50:44"
+  },
+  {
+    "amount": 0.15,
+    "start_at": "2016-01-30T17:40:42",
+    "description": "Reservoir decreased 0.15U over 5.03min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T17:45:44"
+  },
+  {
+    "amount": 0.1,
+    "start_at": "2016-01-30T17:35:42",
+    "description": "Reservoir decreased 0.1U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T17:40:42"
+  },
+  {
+    "amount": 0.15,
+    "start_at": "2016-01-30T17:30:41",
+    "description": "Reservoir decreased 0.15U over 5.02min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T17:35:42"
+  },
+  {
+    "amount": 0.15,
+    "start_at": "2016-01-30T17:25:43",
+    "description": "Reservoir decreased 0.15U over 4.97min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T17:30:41"
+  },
+  {
+    "amount": 0.05,
+    "start_at": "2016-01-30T17:20:44",
+    "description": "Reservoir decreased 0.05U over 4.98min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T17:25:43"
+  },
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T17:15:42",
+    "description": "Reservoir decreased 0.075U over 5.03min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T17:20:44"
+  },
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T17:10:41",
+    "description": "Reservoir decreased 0.075U over 5.02min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T17:15:42"
+  },
+  {
+    "amount": 0.05,
+    "start_at": "2016-01-30T17:05:42",
+    "description": "Reservoir decreased 0.05U over 4.98min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T17:10:41"
+  },
+  {
+    "amount": 3.875,
+    "start_at": "2016-01-30T17:00:45",
+    "description": "Reservoir decreased 3.875U over 4.95min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T17:05:42"
+  },
+  {
+    "amount": 0.5,
+    "start_at": "2016-01-30T16:50:42",
+    "description": "Reservoir decreased 0.5U over 10.05min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T17:00:45"
+  },
+  {
+    "amount": 0.2,
+    "start_at": "2016-01-30T16:45:42",
+    "description": "Reservoir decreased 0.2U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T16:50:42"
+  },
+  {
+    "amount": 0.2,
+    "start_at": "2016-01-30T16:40:42",
+    "description": "Reservoir decreased 0.2U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T16:45:42"
+  },
+  {
+    "amount": 0.25,
+    "start_at": "2016-01-30T16:35:43",
+    "description": "Reservoir decreased 0.25U over 4.98min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T16:40:42"
+  },
+  {
+    "amount": 0.15,
+    "start_at": "2016-01-30T16:30:42",
+    "description": "Reservoir decreased 0.15U over 5.02min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T16:35:43"
+  },
+  {
+    "amount": 0.15,
+    "start_at": "2016-01-30T16:25:42",
+    "description": "Reservoir decreased 0.15U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T16:30:42"
+  },
+  {
+    "amount": 0.05,
+    "start_at": "2016-01-30T16:20:41",
+    "description": "Reservoir decreased 0.05U over 5.02min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T16:25:42"
+  },
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T16:15:42",
+    "description": "Reservoir decreased 0.075U over 4.98min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T16:20:41"
+  },
+  {
+    "amount": 0.075,
+    "start_at": "2016-01-30T16:10:42",
+    "description": "Reservoir decreased 0.075U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T16:15:42"
+  },
+  {
+    "amount": 0.05,
+    "start_at": "2016-01-30T16:05:42",
+    "description": "Reservoir decreased 0.05U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T16:10:42"
+  },
+  {
+    "amount": 0.0,
+    "start_at": "2016-01-30T16:00:42",
+    "description": "Reservoir decreased 0.0U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T16:05:42"
+  },
+  {
+    "amount": 0.0,
+    "start_at": "2016-01-30T15:45:42",
+    "description": "Reservoir decreased 0.0U over 5.00min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T15:50:42"
+  },
+  {
+    "amount": 0.2,
+    "start_at": "2016-01-30T15:40:49",
+    "description": "Reservoir decreased 0.2U over 4.88min",
+    "type": "TempBasal",
+    "unit": "U",
+    "end_at": "2016-01-30T15:45:42"
+  }
+]
diff --git a/Tests/LoopAlgorithmTests/Fixtures/suspend_dose_reconciled.json b/Tests/LoopAlgorithmTests/Fixtures/suspend_dose_reconciled.json
new file mode 100644
index 0000000..513f3c6
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/suspend_dose_reconciled.json
@@ -0,0 +1,9 @@
+[
+    {
+        "type": "PumpSuspend",
+        "start_at": "2015-07-13T12:00:00",
+        "end_at": "2015-07-13T12:00:00",
+        "amount": 0.0,
+        "unit": "U"
+    }
+]
diff --git a/Tests/LoopAlgorithmTests/Fixtures/suspend_dose_reconciled_normalized.json b/Tests/LoopAlgorithmTests/Fixtures/suspend_dose_reconciled_normalized.json
new file mode 100644
index 0000000..c33e93c
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/suspend_dose_reconciled_normalized.json
@@ -0,0 +1,9 @@
+[
+    {
+        "type": "TempBasal",
+        "start_at": "2015-07-13T12:00:00",
+        "end_at": "2015-07-13T12:00:00",
+        "amount": 0,
+        "unit": "U/hour"
+    }
+]
diff --git a/Tests/LoopAlgorithmTests/Fixtures/suspend_dose_reconciled_normalized_iob.json b/Tests/LoopAlgorithmTests/Fixtures/suspend_dose_reconciled_normalized_iob.json
new file mode 100644
index 0000000..2b0f383
--- /dev/null
+++ b/Tests/LoopAlgorithmTests/Fixtures/suspend_dose_reconciled_normalized_iob.json
@@ -0,0 +1 @@
+[{"unit":"U","date":"2015-07-13T12:00:00","value":0},{"unit":"U","date":"2015-07-13T12:05:00","value":0},{"unit":"U","date":"2015-07-13T12:10:00","value":0},{"unit":"U","date":"2015-07-13T12:15:00","value":0},{"unit":"U","date":"2015-07-13T12:20:00","value":0},{"unit":"U","date":"2015-07-13T12:25:00","value":0},{"unit":"U","date":"2015-07-13T12:30:00","value":0},{"unit":"U","date":"2015-07-13T12:35:00","value":0},{"unit":"U","date":"2015-07-13T12:40:00","value":0},{"unit":"U","date":"2015-07-13T12:45:00","value":0},{"unit":"U","date":"2015-07-13T12:50:00","value":0},{"unit":"U","date":"2015-07-13T12:55:00","value":0},{"unit":"U","date":"2015-07-13T13:00:00","value":0},{"unit":"U","date":"2015-07-13T13:05:00","value":0},{"unit":"U","date":"2015-07-13T13:10:00","value":0},{"unit":"U","date":"2015-07-13T13:15:00","value":0},{"unit":"U","date":"2015-07-13T13:20:00","value":0},{"unit":"U","date":"2015-07-13T13:25:00","value":0},{"unit":"U","date":"2015-07-13T13:30:00","value":0},{"unit":"U","date":"2015-07-13T13:35:00","value":0},{"unit":"U","date":"2015-07-13T13:40:00","value":0},{"unit":"U","date":"2015-07-13T13:45:00","value":0},{"unit":"U","date":"2015-07-13T13:50:00","value":0},{"unit":"U","date":"2015-07-13T13:55:00","value":0},{"unit":"U","date":"2015-07-13T14:00:00","value":0},{"unit":"U","date":"2015-07-13T14:05:00","value":0},{"unit":"U","date":"2015-07-13T14:10:00","value":0},{"unit":"U","date":"2015-07-13T14:15:00","value":0},{"unit":"U","date":"2015-07-13T14:20:00","value":0},{"unit":"U","date":"2015-07-13T14:25:00","value":0},{"unit":"U","date":"2015-07-13T14:30:00","value":0},{"unit":"U","date":"2015-07-13T14:35:00","value":0},{"unit":"U","date":"2015-07-13T14:40:00","value":0},{"unit":"U","date":"2015-07-13T14:45:00","value":0},{"unit":"U","date":"2015-07-13T14:50:00","value":0},{"unit":"U","date":"2015-07-13T14:55:00","value":0},{"unit":"U","date":"2015-07-13T15:00:00","value":0},{"unit":"U","date":"2015-07-13T15:05:00","value":0},{"unit":"U","date":"2015-07-13T15:10:00","value":0},{"unit":"U","date":"2015-07-13T15:15:00","value":0},{"unit":"U","date":"2015-07-13T15:20:00","value":0},{"unit":"U","date":"2015-07-13T15:25:00","value":0},{"unit":"U","date":"2015-07-13T15:30:00","value":0},{"unit":"U","date":"2015-07-13T15:35:00","value":0},{"unit":"U","date":"2015-07-13T15:40:00","value":0},{"unit":"U","date":"2015-07-13T15:45:00","value":0},{"unit":"U","date":"2015-07-13T15:50:00","value":0},{"unit":"U","date":"2015-07-13T15:55:00","value":0},{"unit":"U","date":"2015-07-13T16:00:00","value":0},{"unit":"U","date":"2015-07-13T16:05:00","value":0},{"unit":"U","date":"2015-07-13T16:10:00","value":0}]