[IR] hack AbstractIrTextTestCase to test dumpKotlinLike

compiler/tests-common/tests/org/jetbrains/kotlin/ir/AbstractIrTextTestCase.kt

@@ -1,17 +1,6 @@
 /*
- * Copyright 2010-2017 JetBrains s.r.o.
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
- *
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
  */
 
 package org.jetbrains.kotlin.ir
@@ -39,6 +28,7 @@ import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.scripting.compiler.plugin.loadScriptConfiguration
 import org.jetbrains.kotlin.test.KotlinTestUtils
 import org.jetbrains.kotlin.test.testFramework.KtUsefulTestCase
+import org.jetbrains.kotlin.utils.fileUtils.withReplacedExtensionOrNull
 import org.jetbrains.kotlin.utils.rethrow
 import java.io.File
 import java.util.regex.Pattern
@@ -123,6 +113,20 @@ abstract class AbstractIrTextTestCase : AbstractIrGeneratorTestCase() {
             KotlinTestUtils.assertEqualsToFile(irTreeFileLabel.expectedTextFile, actualTrees)
             verify(irFile)
 
+            val kotlinLikeDump = irFile.dumpKotlinLike(
+                KotlinLikeDumpOptions(
+                    printFileName = false,
+                    printFilePath = false,
+                    printFakeOverridesStrategy = FakeOverridesStrategy.NONE
+                )
+            )
+            val kotlinLikeDumpExpectedFile = irTreeFileLabel.expectedTextFile.withReplacedExtensionOrNull(".txt", ".kt.txt")!!
+//            KotlinTestUtils.assertEqualsToFile(kotlinLikeDumpExpectedFile, kotlinLikeDump)
+
+            val kotlinLikeDumpExpectedText = if (kotlinLikeDumpExpectedFile.exists()) kotlinLikeDumpExpectedFile.readText() else ""
+            kotlinLikeDumpExpectedFile.writeText(kotlinLikeDump)
+            assertEquals(kotlinLikeDumpExpectedText, kotlinLikeDump)
+
             // Check that deep copy produces an equivalent result
             val irFileCopy = irFile.deepCopyWithSymbols()
             val copiedTrees = irFileCopy.dumpTreesFromLineNumber(irTreeFileLabel.lineNumber, normalizeNames = true)