[Tests] More tests for inline fun abi snapshotting

^KT-75529

Author: mazhukinevgeniy

compiler/build-tools/kotlin-build-tools-api-tests/src/main/resources/modules/ic-scenarios/inline-local-class/local-named/app/callSite.kt

@@ -0,0 +1,5 @@
+val result = calculate()
+
+fun main(args: Array<String>) {
+    println(result)
+}

compiler/build-tools/kotlin-build-tools-api-tests/src/main/resources/modules/ic-scenarios/inline-local-class/local-named/lib/inlinedLocalClass.kt

@@ -0,0 +1,3 @@
+inline fun calculate(): Int {
+    return 42
+}

compiler/build-tools/kotlin-build-tools-api-tests/src/main/resources/modules/ic-scenarios/inline-local-class/local-named/lib/inlinedLocalClass.kt.addNamedClass

@@ -0,0 +1,6 @@
+inline fun calculate(): Int {
+    class Calc {
+        val item = 42
+    }
+    return Calc().item
+}

compiler/build-tools/kotlin-build-tools-api-tests/src/main/resources/modules/ic-scenarios/inline-local-class/local-named/lib/inlinedLocalClass.kt.changeInnerComputation

@@ -0,0 +1,6 @@
+inline fun calculate(): Int {
+    class Calc {
+        val item = 42 + 3
+    }
+    return Calc().item
+}

compiler/build-tools/kotlin-build-tools-api-tests/src/main/resources/modules/ic-scenarios/regular-inline-fun/basic-change/app/com/example/ictest/callSite.kt

@@ -0,0 +1,5 @@
+package com.example.ictest
+
+fun main() {
+    println(Holder().regularInlineFun())
+}

compiler/build-tools/kotlin-build-tools-api-tests/src/main/resources/modules/ic-scenarios/regular-inline-fun/basic-change/lib/com/example/ictest/inlineFun.kt

@@ -0,0 +1,9 @@
+package com.example.ictest
+
+class Holder() {
+    val item: String = "nice data"
+
+    inline fun regularInlineFun(): String {
+        return item
+    }
+}

compiler/build-tools/kotlin-build-tools-api-tests/src/main/resources/modules/ic-scenarios/regular-inline-fun/basic-change/lib/com/example/ictest/inlineFun.kt.changeConstantPool

@@ -0,0 +1,9 @@
+package com.example.ictest
+
+class Holder() {
+    val item: String = "even nicer data"
+
+    inline fun regularInlineFun(): String {
+        return item
+    }
+}

compiler/build-tools/kotlin-build-tools-api-tests/src/testCrossModuleIncrementalChanges/kotlin/InlinedLambdaChangeTest.kt

@@ -6,7 +6,9 @@ package org.jetbrains.kotlin.buildtools.api.tests.compilation
 
 import org.jetbrains.kotlin.buildtools.api.CompilerExecutionStrategyConfiguration
 import org.jetbrains.kotlin.buildtools.api.jvm.ClassSnapshotGranularity
+import org.jetbrains.kotlin.buildtools.api.tests.compilation.assertions.assertLogContainsPatterns
 import org.jetbrains.kotlin.buildtools.api.tests.compilation.model.DefaultStrategyAgnosticCompilationTest
+import org.jetbrains.kotlin.buildtools.api.tests.compilation.model.LogLevel
 import org.jetbrains.kotlin.buildtools.api.tests.compilation.model.SnapshotConfig
 import org.jetbrains.kotlin.buildtools.api.tests.compilation.scenario.scenario
 import org.jetbrains.kotlin.buildtools.api.tests.compilation.util.compile
@@ -138,6 +140,26 @@ class InlinedLambdaChangeTest : BaseCompilationTest() {
         }
     }
 
+    @DefaultStrategyAgnosticCompilationTest
+    @DisplayName("Changes in inlined named class")
+    @TestMetadata("ic-scenarios/inline-local-class/local-named/lib")
+    fun testLocalNamedClass(strategyConfig: CompilerExecutionStrategyConfiguration) {
+        scenario(strategyConfig) {
+            val lib = module("ic-scenarios/inline-local-class/local-named/lib")
+            val app = module(
+                "ic-scenarios/inline-local-class/local-named/app",
+                dependencies = listOf(lib),
+                snapshotConfig = SnapshotConfig(ClassSnapshotGranularity.CLASS_MEMBER_LEVEL, true),
+            )
+            lib.replaceFileWithVersion("inlinedLocalClass.kt", "addNamedClass")
+            lib.compile { module, scenarioModule ->
+                expectFail()
+                assertLogContainsPatterns(LogLevel.ERROR, ".*Local classes are not yet supported in inline functions.*".toRegex())
+            }
+            // if at any point local named classes become supported, test the scenario as usual
+        }
+    }
+
     @DefaultStrategyAgnosticCompilationTest
     @DisplayName("Changes in unused code should not trigger recompilation of call site")
     @TestMetadata("ic-scenarios/inline-local-class/no-recompile/lib")
@@ -273,7 +295,7 @@ class InlinedLambdaChangeTest : BaseCompilationTest() {
         }
     }
 
-    @Disabled("should be fixed if we start snapshotting bytecode")
+    @Disabled("KT-75883 - here callable's code creates a new object so there's no INSTANCE")
     @DefaultStrategyAgnosticCompilationTest
     @DisplayName("Recompilation of call site affected by an anonymous object - slightly evil")
     @TestMetadata("ic-scenarios/inline-local-class/inline-anonymous-object-evil/lib")

compiler/build-tools/kotlin-build-tools-api-tests/src/testCrossModuleIncrementalChanges/kotlin/RegularInlineFunTest.kt

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2010-2025 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.buildtools.api.tests.compilation
+
+import org.jetbrains.kotlin.buildtools.api.CompilerExecutionStrategyConfiguration
+import org.jetbrains.kotlin.buildtools.api.jvm.ClassSnapshotGranularity
+import org.jetbrains.kotlin.buildtools.api.tests.compilation.model.DefaultStrategyAgnosticCompilationTest
+import org.jetbrains.kotlin.buildtools.api.tests.compilation.model.SnapshotConfig
+import org.jetbrains.kotlin.buildtools.api.tests.compilation.scenario.scenario
+import org.jetbrains.kotlin.buildtools.api.tests.compilation.util.compile
+import org.jetbrains.kotlin.buildtools.api.tests.compilation.util.execute
+import org.jetbrains.kotlin.test.TestMetadata
+import org.junit.jupiter.api.DisplayName
+
+class RegularInlineFunTest : BaseCompilationTest() {
+
+    @DefaultStrategyAgnosticCompilationTest
+    @DisplayName("When regular inline function changes, its call site is recompiled")
+    @TestMetadata("ic-scenarios/regular-inline-fun/basic-change/lib")
+    fun testBasicCase(strategyConfig: CompilerExecutionStrategyConfiguration) {
+        scenario(strategyConfig) {
+            val lib = module("ic-scenarios/regular-inline-fun/basic-change/lib")
+            val app = module(
+                "ic-scenarios/regular-inline-fun/basic-change/app",
+                dependencies = listOf(lib),
+                snapshotConfig = SnapshotConfig(ClassSnapshotGranularity.CLASS_MEMBER_LEVEL, true),
+            )
+
+            app.execute(mainClass = "com.example.ictest.CallSiteKt", exactOutput = "nice data")
+
+            lib.replaceFileWithVersion("com/example/ictest/inlineFun.kt", "changeConstantPool")
+
+            lib.compile(expectedDirtySet = setOf("com/example/ictest/inlineFun.kt"))
+            app.compile(expectedDirtySet = setOf())
+            app.execute(mainClass = "com.example.ictest.CallSiteKt", exactOutput = "even nicer data")
+
+            lib.changeFile("com/example/ictest/inlineFun.kt") { it.replace("return item", "return \"bar\"") }
+            lib.compile(expectedDirtySet = setOf("com/example/ictest/inlineFun.kt"))
+            app.compile(expectedDirtySet = setOf("com/example/ictest/callSite.kt"))
+            app.execute(mainClass = "com.example.ictest.CallSiteKt", exactOutput = "bar")
+
+            lib.changeFile("com/example/ictest/inlineFun.kt") { it.replace("return \"bar\"", "return \"foo\"") }
+            lib.compile(expectedDirtySet = setOf("com/example/ictest/inlineFun.kt"))
+            app.compile(expectedDirtySet = setOf("com/example/ictest/callSite.kt"))
+            app.execute(mainClass = "com.example.ictest.CallSiteKt", exactOutput = "foo")
+        }
+    }
+}