show lambdas in File Structure (IDEA-151616; IDEA-157809; IDEA-151429)

2026-09-18 09:34:34 +07:00 · 2016-07-08 14:25:05 +02:00
parent 88030526ba
commit d4840b76ad
7 changed files with 364 additions and 3 deletions
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2000-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.ide.util;
+
+import com.intellij.psi.PsiClass;
+import com.intellij.psi.PsiLambdaExpression;
+import com.intellij.psi.util.PsiTreeUtil;
+import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase;
+
+import java.util.Collection;
+
+public class PsiLambdaNameHelperTest extends LightCodeInsightFixtureTestCase {
+  public void testNames() throws Exception {
+    final PsiClass aClass = myFixture.addClass("class Test {\n" +
+                                               "    Runnable r = () -> {\n" +
+                                               "    };\n" +
+                                               "    public void method() {\n" +
+                                               "        Runnable r = () -> {\n" +
+                                               "            Integer s = RedundantRename.this.s;\n" +
+                                               "            Runnable rr = () -> {};\n" +
+                                               "            new Runnable() {\n" +
+                                               "                Runnable r1 = () -> {};\n" +
+                                               "                @Override\n" +
+                                               "                public void run() {}\n" +
+                                               "            };\n" +
+                                               "        };\n" +
+                                               "    }\n" +
+                                               "}");
+    final Collection<PsiLambdaExpression> lambdaExpressions = PsiTreeUtil.findChildrenOfType(aClass, PsiLambdaExpression.class);
+    final String[] expectedNames = {"lambda$new$0",
+                                    "lambda$method$1",
+                                    "lambda$method$2",
+                                    "lambda$0"};
+    int idx = 0;
+    for (PsiLambdaExpression expression : lambdaExpressions) {
+      assertEquals(expectedNames[idx++], PsiLambdaNameHelper.getVMName(expression));
+    }
+  }
+}