test for mozilla#533

testsrc/org/mozilla/javascript/tests/Issue533Test.java

@@ -0,0 +1,46 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+package org.mozilla.javascript.tests;
+
+import org.junit.*;
+import org.mozilla.javascript.CompilerEnvirons;
+import org.mozilla.javascript.Parser;
+import org.mozilla.javascript.ast.AstNode;
+import org.mozilla.javascript.ast.AstRoot;
+import org.mozilla.javascript.ast.Comment;
+
+import java.util.SortedSet;
+
+import static org.junit.Assert.*;
+
+/**
+ * Tests position of Comment node in source code.
+ */
+public class Issue533Test {
+    private static final String SOURCE_URI = "issue533test.js";
+
+    private Parser parser;
+
+    @Before
+    public void setUp() {
+        CompilerEnvirons compilerEnv = new CompilerEnvirons();
+        compilerEnv.setRecordingComments(true);
+        parser = new Parser(compilerEnv);
+    }
+
+    @Test
+    public void testGetPosition() {
+        String script = "function a() {\n    //testtest\n   function b() {\n        //password\n    }\n}";
+        AstRoot root = parser.parse(script, SOURCE_URI, 0);
+        SortedSet<Comment> comments = root.getComments();
+        assertEquals(2, comments.size());
+        for(Comment comment:comments) {
+            assertEquals(comment.getValue(), getFromSource(script, comment));                    
+        }
+    }
+
+    private String getFromSource(String source, AstNode node) {
+        return source.substring(node.getAbsolutePosition(), node.getAbsolutePosition() + node.getLength());
+    }
+}