The Tor Browser: toolkit/devtools/sourcemap/tests/unit/test_source_node.js@6474c204b198 (annotated)

toolkit/devtools/sourcemap/tests/unit/test_source_node.js@6474c204b198 (annotated)

toolkit/devtools/sourcemap/tests/unit/test_source_node.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  * 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);
 }