Fix incorrect character replacement in ClassName.jvmInternalName

#KT-28682 Fixed

libraries/kotlinx-metadata/jvm/ChangeLog.md

@@ -3,6 +3,7 @@
 ## 0.0.5
 
 - [`KT-25371`](https://youtrack.jetbrains.com/issue/KT-25371) Support unsigned integers in kotlinx-metadata-jvm
+- [`KT-28682`](https://youtrack.jetbrains.com/issue/KT-28682) Wrong character replacement in ClassName.jvmInternalName of kotlinx-metadata-jvm
 
 ## 0.0.4
 

libraries/kotlinx-metadata/jvm/src/kotlinx/metadata/jvm/jvmMetadataUtil.kt

@@ -16,4 +16,4 @@ import kotlinx.metadata.isLocal
 val ClassName.jvmInternalName: String
     get() =
         if (this.isLocal) substring(1)
-        else replace('/', '$')
+        else replace('.', '$')

libraries/kotlinx-metadata/jvm/test/kotlinx/metadata/test/MetadataSmokeTest.kt

@@ -12,6 +12,7 @@ import org.jetbrains.org.objectweb.asm.Opcodes
 import org.junit.Assert.assertEquals
 import org.junit.Test
 import java.net.URLClassLoader
+import kotlin.coroutines.CoroutineContext
 import kotlin.reflect.full.primaryConstructor
 
 class MetadataSmokeTest {
@@ -144,4 +145,31 @@ class MetadataSmokeTest {
 
         assertEquals("Hello, world!", result)
     }
+
+    @Test
+    fun jvmInternalName() {
+        class ClassNameReader : KmClassVisitor() {
+            lateinit var className: ClassName
+
+            override fun visit(flags: Flags, name: ClassName) {
+                className = name
+            }
+        }
+
+        class L
+
+        val l = ClassNameReader().run {
+            (KotlinClassMetadata.read(L::class.java.readMetadata()) as KotlinClassMetadata.Class).accept(this)
+            className
+        }
+        assertEquals(".kotlinx/metadata/test/MetadataSmokeTest\$jvmInternalName\$L", l)
+        assertEquals("kotlinx/metadata/test/MetadataSmokeTest\$jvmInternalName\$L", l.jvmInternalName)
+
+        val coroutineContextKey = ClassNameReader().run {
+            (KotlinClassMetadata.read(CoroutineContext.Key::class.java.readMetadata()) as KotlinClassMetadata.Class).accept(this)
+            className
+        }
+        assertEquals("kotlin/coroutines/CoroutineContext.Key", coroutineContextKey)
+        assertEquals("kotlin/coroutines/CoroutineContext\$Key", coroutineContextKey.jvmInternalName)
+    }
 }