Ilya Gorbunov
39 lines
1.1 KiB
Kotlin
39 lines
1.1 KiB
Kotlin
/*
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* Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
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* that can be found in the license/LICENSE.txt file.
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*/
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@file:kotlin.jvm.JvmMultifileClass
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@file:kotlin.jvm.JvmName("PreconditionsKt")
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package kotlin
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@PublishedApi
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internal object _Assertions {
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@JvmField
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@PublishedApi
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internal val ENABLED: Boolean = javaClass.desiredAssertionStatus()
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}
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/**
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* Throws an [AssertionError] if the [value] is false
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* and runtime assertions have been enabled on the JVM using the *-ea* JVM option.
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*/
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@kotlin.internal.InlineOnly
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public inline fun assert(value: Boolean) {
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assert(value) { "Assertion failed" }
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}
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/**
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* Throws an [AssertionError] calculated by [lazyMessage] if the [value] is false
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* and runtime assertions have been enabled on the JVM using the *-ea* JVM option.
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*/
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@kotlin.internal.InlineOnly
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public inline fun assert(value: Boolean, lazyMessage: () -> Any) {
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if (_Assertions.ENABLED) {
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if (!value) {
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val message = lazyMessage()
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throw AssertionError(message)
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}
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}
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}
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