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comparison: browser/devtools/debugger/test/browser_dbg_variables-view-frozen-sealed-nonext.js
browser/devtools/debugger/test/browser_dbg_variables-view-frozen-sealed-nonext.js
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 /** | |
| 5 * This test checks that we properly set the frozen, sealed, and non-extensbile | |
| 6 * attributes on variables so that the F/S/N is shown in the variables view. | |
| 7 */ | |
| 8 | |
| 9 const TAB_URL = EXAMPLE_URL + "doc_frame-parameters.html"; | |
| 10 | |
| 11 let gTab, gDebuggee, gPanel, gDebugger; | |
| 12 | |
| 13 function test() { | |
| 14 initDebugger(TAB_URL).then(([aTab, aDebuggee, aPanel]) => { | |
| 15 gTab = aTab; | |
| 16 gDebuggee = aDebuggee; | |
| 17 gPanel = aPanel; | |
| 18 gDebugger = gPanel.panelWin; | |
| 19 | |
| 20 prepareTest(); | |
| 21 }); | |
| 22 } | |
| 23 | |
| 24 function prepareTest() { | |
| 25 gDebugger.once(gDebugger.EVENTS.FETCHED_SCOPES, runTest); | |
| 26 | |
| 27 gDebuggee.eval("(" + function() { | |
| 28 var frozen = Object.freeze({}); | |
| 29 var sealed = Object.seal({}); | |
| 30 var nonExtensible = Object.preventExtensions({}); | |
| 31 var extensible = {}; | |
| 32 var string = "foo bar baz"; | |
| 33 | |
| 34 debugger; | |
| 35 } + "())"); | |
| 36 } | |
| 37 | |
| 38 function runTest() { | |
| 39 let hasNoneTester = function(aVariable) { | |
| 40 ok(!aVariable.hasAttribute("frozen"), | |
| 41 "The variable should not be frozen."); | |
| 42 ok(!aVariable.hasAttribute("sealed"), | |
| 43 "The variable should not be sealed."); | |
| 44 ok(!aVariable.hasAttribute("non-extensible"), | |
| 45 "The variable should be extensible."); | |
| 46 }; | |
| 47 | |
| 48 let testers = { | |
| 49 frozen: function (aVariable) { | |
| 50 ok(aVariable.hasAttribute("frozen"), | |
| 51 "The variable should be frozen."); | |
| 52 }, | |
| 53 sealed: function (aVariable) { | |
| 54 ok(aVariable.hasAttribute("sealed"), | |
| 55 "The variable should be sealed."); | |
| 56 }, | |
| 57 nonExtensible: function (aVariable) { | |
| 58 ok(aVariable.hasAttribute("non-extensible"), | |
| 59 "The variable should be non-extensible."); | |
| 60 }, | |
| 61 extensible: hasNoneTester, | |
| 62 string: hasNoneTester, | |
| 63 arguments: hasNoneTester, | |
| 64 this: hasNoneTester | |
| 65 }; | |
| 66 | |
| 67 let variables = gDebugger.document.querySelectorAll(".variable-or-property"); | |
| 68 | |
| 69 for (let variable of variables) { | |
| 70 let name = variable.querySelector(".name").getAttribute("value"); | |
| 71 let tester = testers[name]; | |
| 72 delete testers[name]; | |
| 73 | |
| 74 ok(tester, "We should have a tester for the '" + name + "' variable."); | |
| 75 tester(variable); | |
| 76 } | |
| 77 | |
| 78 is(Object.keys(testers).length, 0, | |
| 79 "We should have run and removed all the testers."); | |
| 80 | |
| 81 resumeDebuggerThenCloseAndFinish(gPanel); | |
| 82 } | |
| 83 | |
| 84 registerCleanupFunction(function() { | |
| 85 gTab = null; | |
| 86 gDebuggee = null; | |
| 87 gPanel = null; | |
| 88 gDebugger = null; | |
| 89 }); |
