Dmitry Jemerov
66 lines
2.8 KiB
Kotlin
66 lines
2.8 KiB
Kotlin
/*
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* Copyright 2010-2015 JetBrains s.r.o.
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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 org.jetbrains.kotlin.asJava
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import com.intellij.openapi.util.io.FileUtil
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import com.intellij.psi.PsiClass
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import com.intellij.psi.impl.compiled.ClsElementImpl
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import junit.framework.TestCase
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import org.jetbrains.kotlin.test.KotlinTestUtils
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import java.io.File
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import java.util.regex.Pattern
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object LightClassTestCommon {
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private val SUBJECT_FQ_NAME_PATTERN = Pattern.compile("^//\\s*(.*)$", Pattern.MULTILINE)
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@JvmOverloads
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fun testLightClass(
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testDataFile: File,
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findLightClass: (String) -> PsiClass?,
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normalizeText: (String) -> String = { it }
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) {
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val text = FileUtil.loadFile(testDataFile, true)
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val matcher = SUBJECT_FQ_NAME_PATTERN.matcher(text)
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TestCase.assertTrue("No FqName specified. First line of the form '// f.q.Name' expected", matcher.find())
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val fqName = matcher.group(1)
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val lightClass = findLightClass(fqName)
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val actual = actualText(fqName, lightClass, normalizeText)
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KotlinTestUtils.assertEqualsToFile(KotlinTestUtils.replaceExtension(testDataFile, "java"), actual)
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}
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private fun actualText(fqName: String?, lightClass: PsiClass?, normalizeText: (String) -> String): String {
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if (lightClass == null) {
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return "<not generated>"
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}
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TestCase.assertTrue("Not a light class: $lightClass ($fqName)", lightClass is KtLightClass)
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val delegate = (lightClass as KtLightClass).getDelegate()
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TestCase.assertTrue("Not a CLS element: $delegate", delegate is ClsElementImpl)
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val buffer = StringBuilder()
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(delegate as ClsElementImpl).appendMirrorText(0, buffer)
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val actual = normalizeText(buffer.toString())
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return actual
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}
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// Actual text for light class is generated with ClsElementImpl.appendMirrorText() that can find empty DefaultImpl inner class in stubs
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// for all interfaces. This inner class can't be used in Java as it generally is not seen from light classes built from Kotlin sources.
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// It is also omitted during classes generation in backend so it also absent in light classes built from compiled code.
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fun removeEmptyDefaultImpls(text: String) : String = text.replace("\n final class DefaultImpls {\n }\n", "")
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} |