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55 lines
1.6 KiB
Swift
55 lines
1.6 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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public import XCTest
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/// Base class for a performance test case in SourceKit-LSP.
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///
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/// This allows writing performance tests whose performance tracking is only
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/// enabled when ENABLE_PERF_TESTS is defined. Otherwise, the test is still
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/// executed, but no metrics are enabled, and the measured block is only run
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/// once, which is useful to avoid failures due to high variability in
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/// continuous integration.
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open class PerfTestCase: XCTestCase {
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#if !ENABLE_PERF_TESTS
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#if os(macOS)
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open override func startMeasuring() {}
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open override func stopMeasuring() {}
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open override func measureMetrics(
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_: [XCTPerformanceMetric],
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automaticallyStartMeasuring: Bool,
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for block: () -> Void
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) {
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block()
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}
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#else
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// In corelibs-xctest, these methods are public, not open, so we can only
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// shadow them.
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package func startMeasuring() {}
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package func stopMeasuring() {}
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package func measureMetrics(
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_: [XCTPerformanceMetric],
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automaticallyStartMeasuring: Bool,
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for block: () -> Void
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) {
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block()
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}
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package func measure(block: () -> Void) {
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block()
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}
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#endif
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#endif
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}
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