Test for pull request "CoreJavaFileManager.findClass: properly resolve $ in inner class names"

java/java-tests/testSrc/com/intellij/psi/NotNullInnerClass.java

@@ -0,0 +1,44 @@
+package com.intellij.psi;
+
+import com.intellij.core.CoreJavaFileManager;
+import com.intellij.ide.highlighter.JavaFileType;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.psi.search.GlobalSearchScope;
+import com.intellij.testFramework.PsiTestCase;
+import com.intellij.testFramework.PsiTestUtil;
+
+
+public class NotNullInnerClass extends PsiTestCase {
+
+  public void testNotNullInnerClass() throws Exception {
+    VirtualFile root = PsiTestUtil.createTestProjectStructure(myProject, myModule, myFilesToDelete);
+    VirtualFile pkg = root.createChildDirectory(this, "foo");
+    PsiDirectory dir = myPsiManager.findDirectory(pkg);
+    assertNotNull(dir);
+    String text = "package foo;\n\n" +
+                  "public class Nested {\n" +
+                  "public class InnerGeneral {}\n" +
+                  "public class Inner$ {}\n" +
+                  "\n" +
+                  "public Inner$ inner() {\n" +
+                  "   return  new Inner$();\n" +
+                  "}\n" +
+                  "\n" +
+                  "}";
+    PsiElement created = dir.add(PsiFileFactory.getInstance(getProject()).createFileFromText("Nested.java", JavaFileType.INSTANCE, text));
+
+    GlobalSearchScope scope = GlobalSearchScope.allScope(getProject());
+    CoreJavaFileManager manager = new CoreJavaFileManager(myPsiManager);
+    manager.addToClasspath(root);
+
+    PsiClass clazz = manager.findClass("foo.Nested", scope);
+    assertNotNull(clazz);
+
+    PsiClass clazzInnerGeneral = manager.findClass("foo.Nested.InnerGeneral", scope);
+    assertNotNull(clazzInnerGeneral);
+
+    PsiClass clazzInner$ = manager.findClass("foo.Nested.Inner$", scope);
+    assertNotNull(clazzInner$);
+  }
+
+}