Rollback of commit 34ffc4cab1b6cdde54e5945427b79c24fff39aa5.

*** Reason for rollback ***

Roll-forward of commit 01120026dc313ee7ad9ea95069a29252eb19173b with fix.

*** Original change description ***

Automated [] rollback of commit 01120026dc313ee7ad9ea95069a29252eb19173b.

--
PiperOrigin-RevId: 148897534
MOS_MIGRATED_REVID=148897534
diff --git a/src/test/java/com/google/devtools/build/lib/syntax/LValueBoundNamesTest.java b/src/test/java/com/google/devtools/build/lib/syntax/LValueBoundNamesTest.java
new file mode 100644
index 0000000..69bede7
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/syntax/LValueBoundNamesTest.java
@@ -0,0 +1,57 @@
+// Copyright 2006 The Bazel Authors. All rights reserved.
+//
+// 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.google.devtools.build.lib.syntax;
+
+import com.google.common.truth.Truth;
+import java.util.Arrays;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** A test for {@link LValue#boundNames()}. */
+@RunWith(JUnit4.class)
+public class LValueBoundNamesTest {
+
+  @Test
+  public void simpleAssignment() {
+    assertBoundNames("x = 1", "x");
+  }
+
+  @Test
+  public void listAssignment() {
+    assertBoundNames("x, y = 1", "x", "y");
+  }
+
+  @Test
+  public void complexListAssignment() {
+    assertBoundNames("x, [y] = 1", "x", "y");
+  }
+
+  @Test
+  public void arrayElementAssignment() {
+    assertBoundNames("x[1] = 1");
+  }
+
+  @Test
+  public void complexListAssignment2() {
+    assertBoundNames("[[x], y], [z, w[1]] = 1", "x", "y", "z");
+  }
+
+  private static void assertBoundNames(String assignement, String... boundNames) {
+    BuildFileAST buildFileAST = BuildFileAST
+        .parseSkylarkString(Environment.FAIL_FAST_HANDLER, assignement);
+    LValue lValue = ((AssignmentStatement) buildFileAST.getStatements().get(0)).getLValue();
+    Truth.assertThat(lValue.boundNames()).containsExactlyElementsIn(Arrays.asList(boundNames));
+  }
+}