Brian Norman
74 lines
1.9 KiB
Kotlin
74 lines
1.9 KiB
Kotlin
/*
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* Copyright (C) 2022 Brian Norman
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.bnorm.power
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import kotlin.test.Test
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import kotlin.test.assertEquals
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class CastExpressionTest {
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@Test
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fun `instance check is correctly aligned`() {
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val actual = executeMainAssertion("""assert(null is String)""")
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assertEquals(
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"""
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Assertion failed
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assert(null is String)
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false
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""".trimIndent(),
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actual,
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)
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}
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@Test
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fun `negative instance check is correctly aligned`() {
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val actual = executeMainAssertion("""assert("Hello, world!" !is String)""")
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assertEquals(
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"""
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Assertion failed
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assert("Hello, world!" !is String)
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false
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""".trimIndent(),
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actual,
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)
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}
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@Test
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fun `smart casts do not duplicate output`() {
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val actual = executeMainAssertion(
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"""
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val greeting: Any = "hello"
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assert(greeting is String && greeting.length == 2)
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""".trimIndent(),
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)
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assertEquals(
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"""
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Assertion failed
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assert(greeting is String && greeting.length == 2)
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| | | | |
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| | | | false
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| | | 5
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| | hello
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| true
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hello
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""".trimIndent(),
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actual,
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)
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}
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}
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