add test for check access to internal elements from another module

#KT-9178 Fixed

Original commit: 4d9eaf19c3

jps/jps-plugin/test/org/jetbrains/kotlin/jps/build/KotlinJpsBuildTest.kt

@@ -43,6 +43,7 @@ import org.jetbrains.kotlin.codegen.AsmUtil
 import org.jetbrains.kotlin.codegen.JvmCodegenUtil
 import org.jetbrains.kotlin.load.kotlin.PackagePartClassUtils
 import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.test.InTextDirectivesUtils
 import org.jetbrains.kotlin.test.MockLibraryUtil
 import org.jetbrains.kotlin.utils.PathUtil
 import org.jetbrains.org.objectweb.asm.ClassReader
@@ -472,6 +473,23 @@ public class KotlinJpsBuildTest : AbstractKotlinJpsBuildTestCase() {
         checkWhen(touch("module2/src/b.kt"), null, packageClasses("module2", "module2/src/b.kt", "test.TestPackage"))
     }
 
+    public fun testInternalFromAnotherModule() {
+        initProject()
+        val result = makeAll()
+        result.assertFailed()
+
+        val module2File = File(workDir, "module2/src/module2.kt")
+        val expectedErrors = InTextDirectivesUtils.findLinesWithPrefixesRemoved(FileUtilRt.loadFile(module2File), "// ERROR:")
+                .sorted()
+                .joinToString("\n")
+        val actualErrors = result.getMessages(BuildMessage.Kind.ERROR)
+                .map { it.messageText }
+                .map { it.replace("^.+:\\d+:\\s+".toRegex(), "").trim() }
+                .sorted()
+                .joinToString("\n")
+        assertEquals(expectedErrors, actualErrors, "Error messages were different")
+    }
+
     public fun testCircularDependencyWithReferenceToOldVersionLib() {
         initProject()
 

jps/jps-plugin/testData/general/InternalFromAnotherModule/kotlinProject.ipr

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <option name="DEFAULT_COMPILER" value="Javac" />
+    <resourceExtensions />
+    <annotationProcessing>
+      <profile default="true" name="Default" enabled="false">
+        <processorPath useClasspath="true" />
+      </profile>
+    </annotationProcessing>
+  </component>
+  <component name="CopyrightManager" default="">
+    <module2copyright />
+  </component>
+  <component name="DependencyValidationManager">
+    <option name="SKIP_IMPORT_STATEMENTS" value="false" />
+  </component>
+  <component name="Encoding" useUTFGuessing="true" native2AsciiForPropertiesFiles="false" />
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/module1/module1.iml" filepath="$PROJECT_DIR$/module1/module1.iml" />
+      <module fileurl="file://$PROJECT_DIR$/module2/module2.iml" filepath="$PROJECT_DIR$/module2/module2.iml" />
+    </modules>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_6" assert-keyword="true" jdk-15="true" project-jdk-name="IDEA_JDK" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="" />
+  </component>
+</project>
+

jps/jps-plugin/testData/general/InternalFromAnotherModule/module1/module1.iml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="jdk" jdkName="IDEA_JDK" jdkType="JavaSDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="KotlinRuntime" level="project" />
+  </component>
+</module>
+

jps/jps-plugin/testData/general/InternalFromAnotherModule/module1/src/module1.kt

@@ -0,0 +1,10 @@
+package test
+
+internal open class InternalClass1
+
+abstract class ClassA1(internal val member: Int)
+
+abstract class ClassB1 {
+    internal abstract val member: Int
+}
+

jps/jps-plugin/testData/general/InternalFromAnotherModule/module2/module2.iml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="jdk" jdkName="IDEA_JDK" jdkType="JavaSDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module" module-name="module1" />
+    <orderEntry type="library" name="KotlinRuntime" level="project" />
+  </component>
+</module>
+

jps/jps-plugin/testData/general/InternalFromAnotherModule/module2/src/additional.kt

@@ -0,0 +1,9 @@
+package test
+
+internal open class InternalClass2
+
+abstract class ClassA2(internal val member: Int)
+
+abstract class ClassB2 {
+    internal abstract val member: Int
+}

jps/jps-plugin/testData/general/InternalFromAnotherModule/module2/src/module2.kt

@@ -0,0 +1,29 @@
+// ERROR: 'internal open val member: kotlin.Int defined in test.ClassBB1' has no access to 'internal abstract val member: kotlin.Int defined in test.ClassB1', so it cannot override it
+// ERROR: Cannot access 'InternalClass1': it is 'internal' in 'test'
+// ERROR: Cannot access 'member': it is 'invisible_fake' in 'ClassAA1'
+package test
+
+// InternalClass1, ClassA1, ClassB1 are in module1
+class ClassInheritedFromInternal1: InternalClass1()
+
+class ClassAA1 : ClassA1(10)
+
+class ClassBB1 : ClassB1() {
+    internal override val member = 10
+}
+
+// InternalClass2, ClassA2, ClassB2 are in module2
+class ClassInheritedFromInternal2: InternalClass2()
+
+class ClassAA2 : ClassA2(10)
+
+class ClassBB2 : ClassB2() {
+    internal override val member = 10
+}
+
+fun f() {
+    val x1 = ClassAA1().member
+    val x2 = ClassAA2().member
+}
+
+