diff -r 000000000000 -r 6474c204b198 toolkit/devtools/sourcemap/tests/unit/test_source_node.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/devtools/sourcemap/tests/unit/test_source_node.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,373 @@
+/*
+ * WARNING!
+ *
+ * Do not edit this file directly, it is built from the sources at
+ * https://github.com/mozilla/source-map/
+ */
+
+Components.utils.import('resource://test/Utils.jsm');
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+define("test/source-map/test-source-node", ["require", "exports", "module"], function (require, exports, module) {
+
+  var SourceMapGenerator = require('source-map/source-map-generator').SourceMapGenerator;
+  var SourceMapConsumer = require('source-map/source-map-consumer').SourceMapConsumer;
+  var SourceNode = require('source-map/source-node').SourceNode;
+
+  exports['test .add()'] = function (assert, util) {
+    var node = new SourceNode(null, null, null);
+
+    // Adding a string works.
+    node.add('function noop() {}');
+
+    // Adding another source node works.
+    node.add(new SourceNode(null, null, null));
+
+    // Adding an array works.
+    node.add(['function foo() {',
+              new SourceNode(null, null, null,
+                             'return 10;'),
+              '}']);
+
+    // Adding other stuff doesn't.
+    assert.throws(function () {
+      node.add({});
+    });
+    assert.throws(function () {
+      node.add(function () {});
+    });
+  };
+
+  exports['test .prepend()'] = function (assert, util) {
+    var node = new SourceNode(null, null, null);
+
+    // Prepending a string works.
+    node.prepend('function noop() {}');
+    assert.equal(node.children[0], 'function noop() {}');
+    assert.equal(node.children.length, 1);
+
+    // Prepending another source node works.
+    node.prepend(new SourceNode(null, null, null));
+    assert.equal(node.children[0], '');
+    assert.equal(node.children[1], 'function noop() {}');
+    assert.equal(node.children.length, 2);
+
+    // Prepending an array works.
+    node.prepend(['function foo() {',
+              new SourceNode(null, null, null,
+                             'return 10;'),
+              '}']);
+    assert.equal(node.children[0], 'function foo() {');
+    assert.equal(node.children[1], 'return 10;');
+    assert.equal(node.children[2], '}');
+    assert.equal(node.children[3], '');
+    assert.equal(node.children[4], 'function noop() {}');
+    assert.equal(node.children.length, 5);
+
+    // Prepending other stuff doesn't.
+    assert.throws(function () {
+      node.prepend({});
+    });
+    assert.throws(function () {
+      node.prepend(function () {});
+    });
+  };
+
+  exports['test .toString()'] = function (assert, util) {
+    assert.equal((new SourceNode(null, null, null,
+                                 ['function foo() {',
+                                  new SourceNode(null, null, null, 'return 10;'),
+                                  '}'])).toString(),
+                 'function foo() {return 10;}');
+  };
+
+  exports['test .join()'] = function (assert, util) {
+    assert.equal((new SourceNode(null, null, null,
+                                 ['a', 'b', 'c', 'd'])).join(', ').toString(),
+                 'a, b, c, d');
+  };
+
+  exports['test .walk()'] = function (assert, util) {
+    var node = new SourceNode(null, null, null,
+                              ['(function () {\n',
+                               '  ', new SourceNode(1, 0, 'a.js', ['someCall()']), ';\n',
+                               '  ', new SourceNode(2, 0, 'b.js', ['if (foo) bar()']), ';\n',
+                               '}());']);
+    var expected = [
+      { str: '(function () {\n', source: null,   line: null, column: null },
+      { str: '  ',               source: null,   line: null, column: null },
+      { str: 'someCall()',       source: 'a.js', line: 1,    column: 0    },
+      { str: ';\n',              source: null,   line: null, column: null },
+      { str: '  ',               source: null,   line: null, column: null },
+      { str: 'if (foo) bar()',   source: 'b.js', line: 2,    column: 0    },
+      { str: ';\n',              source: null,   line: null, column: null },
+      { str: '}());',            source: null,   line: null, column: null },
+    ];
+    var i = 0;
+    node.walk(function (chunk, loc) {
+      assert.equal(expected[i].str, chunk);
+      assert.equal(expected[i].source, loc.source);
+      assert.equal(expected[i].line, loc.line);
+      assert.equal(expected[i].column, loc.column);
+      i++;
+    });
+  };
+
+  exports['test .replaceRight'] = function (assert, util) {
+    var node;
+
+    // Not nested
+    node = new SourceNode(null, null, null, 'hello world');
+    node.replaceRight(/world/, 'universe');
+    assert.equal(node.toString(), 'hello universe');
+
+    // Nested
+    node = new SourceNode(null, null, null,
+                          [new SourceNode(null, null, null, 'hey sexy mama, '),
+                           new SourceNode(null, null, null, 'want to kill all humans?')]);
+    node.replaceRight(/kill all humans/, 'watch Futurama');
+    assert.equal(node.toString(), 'hey sexy mama, want to watch Futurama?');
+  };
+
+  exports['test .toStringWithSourceMap()'] = function (assert, util) {
+    var node = new SourceNode(null, null, null,
+                              ['(function () {\n',
+                               '  ',
+                                 new SourceNode(1, 0, 'a.js', 'someCall', 'originalCall'),
+                                 new SourceNode(1, 8, 'a.js', '()'),
+                                 ';\n',
+                               '  ', new SourceNode(2, 0, 'b.js', ['if (foo) bar()']), ';\n',
+                               '}());']);
+    var map = node.toStringWithSourceMap({
+      file: 'foo.js'
+    }).map;
+
+    assert.ok(map instanceof SourceMapGenerator, 'map instanceof SourceMapGenerator');
+    map = new SourceMapConsumer(map.toString());
+
+    var actual;
+
+    actual = map.originalPositionFor({
+      line: 1,
+      column: 4
+    });
+    assert.equal(actual.source, null);
+    assert.equal(actual.line, null);
+    assert.equal(actual.column, null);
+
+    actual = map.originalPositionFor({
+      line: 2,
+      column: 2
+    });
+    assert.equal(actual.source, 'a.js');
+    assert.equal(actual.line, 1);
+    assert.equal(actual.column, 0);
+    assert.equal(actual.name, 'originalCall');
+
+    actual = map.originalPositionFor({
+      line: 3,
+      column: 2
+    });
+    assert.equal(actual.source, 'b.js');
+    assert.equal(actual.line, 2);
+    assert.equal(actual.column, 0);
+
+    actual = map.originalPositionFor({
+      line: 3,
+      column: 16
+    });
+    assert.equal(actual.source, null);
+    assert.equal(actual.line, null);
+    assert.equal(actual.column, null);
+
+    actual = map.originalPositionFor({
+      line: 4,
+      column: 2
+    });
+    assert.equal(actual.source, null);
+    assert.equal(actual.line, null);
+    assert.equal(actual.column, null);
+  };
+
+  exports['test .fromStringWithSourceMap()'] = function (assert, util) {
+    var node = SourceNode.fromStringWithSourceMap(
+                              util.testGeneratedCode,
+                              new SourceMapConsumer(util.testMap));
+
+    var result = node.toStringWithSourceMap({
+      file: 'min.js'
+    });
+    var map = result.map;
+    var code = result.code;
+
+    assert.equal(code, util.testGeneratedCode);
+    assert.ok(map instanceof SourceMapGenerator, 'map instanceof SourceMapGenerator');
+    map = map.toJSON();
+    assert.equal(map.version, util.testMap.version);
+    assert.equal(map.file, util.testMap.file);
+    assert.equal(map.mappings, util.testMap.mappings);
+  };
+
+  exports['test .fromStringWithSourceMap() empty map'] = function (assert, util) {
+    var node = SourceNode.fromStringWithSourceMap(
+                              util.testGeneratedCode,
+                              new SourceMapConsumer(util.emptyMap));
+    var result = node.toStringWithSourceMap({
+      file: 'min.js'
+    });
+    var map = result.map;
+    var code = result.code;
+
+    assert.equal(code, util.testGeneratedCode);
+    assert.ok(map instanceof SourceMapGenerator, 'map instanceof SourceMapGenerator');
+    map = map.toJSON();
+    assert.equal(map.version, util.emptyMap.version);
+    assert.equal(map.file, util.emptyMap.file);
+    assert.equal(map.mappings.length, util.emptyMap.mappings.length);
+    assert.equal(map.mappings, util.emptyMap.mappings);
+  };
+
+  exports['test .fromStringWithSourceMap() complex version'] = function (assert, util) {
+    var input = new SourceNode(null, null, null, [
+      "(function() {\n",
+        "  var Test = {};\n",
+        "  ", new SourceNode(1, 0, "a.js", "Test.A = { value: 1234 };\n"),
+        "  ", new SourceNode(2, 0, "a.js", "Test.A.x = 'xyz';"), "\n",
+        "}());\n",
+        "/* Generated Source */"]);
+    input = input.toStringWithSourceMap({
+      file: 'foo.js'
+    });
+
+    var node = SourceNode.fromStringWithSourceMap(
+                              input.code,
+                              new SourceMapConsumer(input.map.toString()));
+
+    var result = node.toStringWithSourceMap({
+      file: 'foo.js'
+    });
+    var map = result.map;
+    var code = result.code;
+
+    assert.equal(code, input.code);
+    assert.ok(map instanceof SourceMapGenerator, 'map instanceof SourceMapGenerator');
+    map = map.toJSON();
+    var inputMap = input.map.toJSON();
+    util.assertEqualMaps(assert, map, inputMap);
+  };
+
+  exports['test .fromStringWithSourceMap() merging duplicate mappings'] = function (assert, util) {
+    var input = new SourceNode(null, null, null, [
+      new SourceNode(1, 0, "a.js", "(function"),
+      new SourceNode(1, 0, "a.js", "() {\n"),
+      "  ",
+      new SourceNode(1, 0, "a.js", "var Test = "),
+      new SourceNode(1, 0, "b.js", "{};\n"),
+      new SourceNode(2, 0, "b.js", "Test"),
+      new SourceNode(2, 0, "b.js", ".A", "A"),
+      new SourceNode(2, 20, "b.js", " = { value: 1234 };\n", "A"),
+      "}());\n",
+      "/* Generated Source */"
+    ]);
+    input = input.toStringWithSourceMap({
+      file: 'foo.js'
+    });
+
+    var correctMap = new SourceMapGenerator({
+      file: 'foo.js'
+    });
+    correctMap.addMapping({
+      generated: { line: 1, column: 0 },
+      source: 'a.js',
+      original: { line: 1, column: 0 }
+    });
+    correctMap.addMapping({
+      generated: { line: 2, column: 0 }
+    });
+    correctMap.addMapping({
+      generated: { line: 2, column: 2 },
+      source: 'a.js',
+      original: { line: 1, column: 0 }
+    });
+    correctMap.addMapping({
+      generated: { line: 2, column: 13 },
+      source: 'b.js',
+      original: { line: 1, column: 0 }
+    });
+    correctMap.addMapping({
+      generated: { line: 3, column: 0 },
+      source: 'b.js',
+      original: { line: 2, column: 0 }
+    });
+    correctMap.addMapping({
+      generated: { line: 3, column: 4 },
+      source: 'b.js',
+      name: 'A',
+      original: { line: 2, column: 0 }
+    });
+    correctMap.addMapping({
+      generated: { line: 3, column: 6 },
+      source: 'b.js',
+      name: 'A',
+      original: { line: 2, column: 20 }
+    });
+    correctMap.addMapping({
+      generated: { line: 4, column: 0 }
+    });
+
+    var inputMap = input.map.toJSON();
+    correctMap = correctMap.toJSON();
+    util.assertEqualMaps(assert, correctMap, inputMap);
+  };
+
+  exports['test setSourceContent with toStringWithSourceMap'] = function (assert, util) {
+    var aNode = new SourceNode(1, 1, 'a.js', 'a');
+    aNode.setSourceContent('a.js', 'someContent');
+    var node = new SourceNode(null, null, null,
+                              ['(function () {\n',
+                               '  ', aNode,
+                               '  ', new SourceNode(1, 1, 'b.js', 'b'),
+                               '}());']);
+    node.setSourceContent('b.js', 'otherContent');
+    var map = node.toStringWithSourceMap({
+      file: 'foo.js'
+    }).map;
+
+    assert.ok(map instanceof SourceMapGenerator, 'map instanceof SourceMapGenerator');
+    map = new SourceMapConsumer(map.toString());
+
+    assert.equal(map.sources.length, 2);
+    assert.equal(map.sources[0], 'a.js');
+    assert.equal(map.sources[1], 'b.js');
+    assert.equal(map.sourcesContent.length, 2);
+    assert.equal(map.sourcesContent[0], 'someContent');
+    assert.equal(map.sourcesContent[1], 'otherContent');
+  };
+
+  exports['test walkSourceContents'] = function (assert, util) {
+    var aNode = new SourceNode(1, 1, 'a.js', 'a');
+    aNode.setSourceContent('a.js', 'someContent');
+    var node = new SourceNode(null, null, null,
+                              ['(function () {\n',
+                               '  ', aNode,
+                               '  ', new SourceNode(1, 1, 'b.js', 'b'),
+                               '}());']);
+    node.setSourceContent('b.js', 'otherContent');
+    var results = [];
+    node.walkSourceContents(function (sourceFile, sourceContent) {
+      results.push([sourceFile, sourceContent]);
+    });
+    assert.equal(results.length, 2);
+    assert.equal(results[0][0], 'a.js');
+    assert.equal(results[0][1], 'someContent');
+    assert.equal(results[1][0], 'b.js');
+    assert.equal(results[1][1], 'otherContent');
+  };
+});
+function run_test() {
+  runSourceMapTests('test/source-map/test-source-node', do_throw);
+}