[Test] Add Native backend tests to check conflicting signatures

^KT-64393

native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/diagnostics/FirPsiNativeKlibDiagnosticsTestGenerated.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2010-2024 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.
+ */
+
+package org.jetbrains.kotlin.konan.test.diagnostics;
+
+import com.intellij.testFramework.TestDataPath;
+import org.jetbrains.kotlin.test.util.KtTestUtil;
+import org.junit.jupiter.api.Tag;
+import org.jetbrains.kotlin.konan.test.blackbox.support.group.FirPipeline;
+import org.jetbrains.kotlin.test.TestMetadata;
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.util.regex.Pattern;
+
+/** This class is generated by {@link org.jetbrains.kotlin.generators.tests.GenerateNativeTestsKt}. DO NOT MODIFY MANUALLY */
+@SuppressWarnings("all")
+@TestMetadata("compiler/testData/diagnostics/klibSerializationTests")
+@TestDataPath("$PROJECT_ROOT")
+@Tag("frontend-fir")
+@FirPipeline()
+@Tag("klib")
+public class FirPsiNativeKlibDiagnosticsTestGenerated extends AbstractFirPsiNativeDiagnosticsWithBackendTestBase {
+  @Test
+  public void testAllFilesPresentInKlibSerializationTests() {
+    KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/klibSerializationTests"), Pattern.compile("^(.+)\\.kt$"), null, true);
+  }
+
+  @Test
+  @TestMetadata("signatureClashClasses.kt")
+  public void testSignatureClashClasses() {
+    runTest("compiler/testData/diagnostics/klibSerializationTests/signatureClashClasses.kt");
+  }
+
+  @Test
+  @TestMetadata("signatureClashFunctions.kt")
+  public void testSignatureClashFunctions() {
+    runTest("compiler/testData/diagnostics/klibSerializationTests/signatureClashFunctions.kt");
+  }
+
+  @Test
+  @TestMetadata("signatureClashVariables.kt")
+  public void testSignatureClashVariables() {
+    runTest("compiler/testData/diagnostics/klibSerializationTests/signatureClashVariables.kt");
+  }
+
+  @Test
+  @TestMetadata("signatureClash_MPP.kt")
+  public void testSignatureClash_MPP() {
+    runTest("compiler/testData/diagnostics/klibSerializationTests/signatureClash_MPP.kt");
+  }
+}

native/native.tests/tests/org/jetbrains/kotlin/generators/tests/GenerateNativeTests.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.konan.test.blackbox.support.group.*
 import org.jetbrains.kotlin.konan.test.diagnostics.AbstractDiagnosticsNativeTest
 import org.jetbrains.kotlin.konan.test.diagnostics.AbstractFirLightTreeNativeDiagnosticsTest
 import org.jetbrains.kotlin.konan.test.diagnostics.AbstractFirPsiNativeDiagnosticsTest
+import org.jetbrains.kotlin.konan.test.diagnostics.AbstractFirPsiNativeDiagnosticsWithBackendTestBase
 import org.jetbrains.kotlin.konan.test.irtext.AbstractClassicNativeIrTextTest
 import org.jetbrains.kotlin.konan.test.irtext.AbstractFirLightTreeNativeIrTextTest
 import org.jetbrains.kotlin.konan.test.irtext.AbstractFirPsiNativeIrTextTest
@@ -357,6 +358,13 @@ fun main() {
             ) {
                 model("diagnostics/nativeTests", excludedPattern = CUSTOM_TEST_DATA_EXTENSION_PATTERN)
             }
+
+            testClass<AbstractFirPsiNativeDiagnosticsWithBackendTestBase>(
+                suiteTestClassName = "FirPsiNativeKlibDiagnosticsTestGenerated",
+                annotations = listOf(*frontendFir(), klib())
+            ) {
+                model("diagnostics/klibSerializationTests")
+            }
         }
 
         // Atomicfu compiler plugin native tests.
@@ -555,10 +563,9 @@ private fun frontendFir() = arrayOf(
     annotation(FirPipeline::class.java)
 )
 
+private fun klib() = annotation(Tag::class.java, "klib")
 private fun debugger() = annotation(Tag::class.java, "debugger")
 private fun infrastructure() = annotation(Tag::class.java, "infrastructure")
-private fun k1libContents() = annotation(Tag::class.java, "k1libContents")
-private fun k2libContents() = annotation(Tag::class.java, "k2libContents")
 private fun atomicfuNative() = arrayOf(
     annotation(Tag::class.java, "atomicfu-native"),
     annotation(EnforcedHostTarget::class.java), // TODO(KT-65977): Make atomicfu tests run on all targets.