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//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2020-2021 Apple Inc. and the SwiftNIO project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
@testable import NIOCore
import XCTest
class TimeAmountDurationTests: XCTestCase {
func testTimeAmountFromDurationConversion() throws {
guard #available(macOS 13, iOS 16, tvOS 16, watchOS 9, *) else {
throw XCTSkip("Required API is not available for this test.")
}
XCTAssertEqual(
TimeAmount(Duration(secondsComponent: 0, attosecondsComponent: 0)),
.nanoseconds(0)
)
XCTAssertEqual(
TimeAmount(Duration(secondsComponent: 0, attosecondsComponent: 1_000_000_001)),
.nanoseconds(1)
)
XCTAssertEqual(
TimeAmount(Duration(secondsComponent: 0, attosecondsComponent: 999_999_999)),
.nanoseconds(0)
)
XCTAssertEqual(
TimeAmount(Duration(secondsComponent: 42, attosecondsComponent: 1_000_000_001)),
.nanoseconds(42_000_000_001)
)
XCTAssertEqual(
TimeAmount(Duration(secondsComponent: 42, attosecondsComponent: 999_999_999)),
.nanoseconds(42_000_000_000)
)
XCTAssertEqual(
TimeAmount(Duration(secondsComponent: 0, attosecondsComponent: -1_000_000_000)),
.nanoseconds(-1)
)
XCTAssertEqual(
TimeAmount(Duration(secondsComponent: 0, attosecondsComponent: -999_999_999)),
.nanoseconds(0)
)
XCTAssertEqual(
TimeAmount(Duration(secondsComponent: 1, attosecondsComponent: -1_000_000_000_000_000_000)),
.nanoseconds(0)
)
XCTAssertEqual(
TimeAmount(Duration(secondsComponent: 1, attosecondsComponent: -1_000_000_000_000_000_001)),
.nanoseconds(0)
)
XCTAssertEqual(
TimeAmount(Duration(secondsComponent: 1, attosecondsComponent: -1_000_000_001_000_000_000)),
.nanoseconds(-1)
)
XCTAssertEqual(
TimeAmount(Duration.nanoseconds(Int64.max)),
.nanoseconds(Int64.max)
)
XCTAssertEqual(
TimeAmount(Duration.nanoseconds(Int64.max) + .nanoseconds(1)),
.nanoseconds(Int64.max)
)
}
func testTimeAmountToDurationLosslessRountTrip() throws {
guard #available(macOS 13, iOS 16, tvOS 16, watchOS 9, *) else {
throw XCTSkip("Required API is not available for this test.")
}
for amount in [
TimeAmount.zero,
TimeAmount.seconds(1),
TimeAmount.seconds(-1),
TimeAmount.nanoseconds(1),
TimeAmount.nanoseconds(-1),
TimeAmount.nanoseconds(.max),
TimeAmount.nanoseconds(.min),
] {
XCTAssertEqual(TimeAmount(Duration(amount)), amount)
}
}
func testDurationToTimeAmountLossyRoundTrip() throws {
guard #available(macOS 13, iOS 16, tvOS 16, watchOS 9, *) else {
throw XCTSkip("Required API is not available for this test.")
}
for duration in [
Duration.zero,
Duration.seconds(1),
Duration.seconds(-1),
Duration.nanoseconds(Int64.max),
Duration.nanoseconds(Int64.min),
Duration.nanoseconds(Int64.max) + Duration.nanoseconds(1),
Duration.nanoseconds(Int64.min) - Duration.nanoseconds(1),
Duration(secondsComponent: 0, attosecondsComponent: 1),
Duration(secondsComponent: 0, attosecondsComponent: 1_000_000_000),
Duration(secondsComponent: 0, attosecondsComponent: 1_500_000_000),
Duration(secondsComponent: 0, attosecondsComponent: 1_000_000_001),
Duration(secondsComponent: 0, attosecondsComponent: 0_999_999_999),
Duration(secondsComponent: 0, attosecondsComponent: -1),
Duration(secondsComponent: 0, attosecondsComponent: -1_000_000_000),
Duration(secondsComponent: 0, attosecondsComponent: -1_500_000_000),
Duration(secondsComponent: 0, attosecondsComponent: -1_000_000_001),
Duration(secondsComponent: 0, attosecondsComponent: -0_999_999_999),
] {
let duration_ = Duration(TimeAmount(duration))
XCTAssertEqual(duration_.nanosecondsClamped, duration.nanosecondsClamped)
}
}
}
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