The Tor Browser / annotate

browser/devtools/debugger/test/browser_dbg_closure-inspection.js@6474c204b198 (annotated)

browser/devtools/debugger/test/browser_dbg_closure-inspection.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.

michael@0 1 /* Any copyright is dedicated to the Public Domain.
michael@0 2 http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0 3
michael@0 4 const TAB_URL = EXAMPLE_URL + "doc_closures.html";
michael@0 5
michael@0 6 // Test that inspecting a closure works as expected.
michael@0 7
michael@0 8 function test() {
michael@0 9 let gPanel, gTab, gDebuggee, gDebugger;
michael@0 10
michael@0 11 initDebugger(TAB_URL).then(([aTab, aDebuggee, aPanel]) => {
michael@0 12 gTab = aTab;
michael@0 13 gDebuggee = aDebuggee;
michael@0 14 gPanel = aPanel;
michael@0 15 gDebugger = gPanel.panelWin;
michael@0 16 gDebuggee.gRecurseLimit = 2;
michael@0 17
michael@0 18 waitForSourceShown(gPanel, ".html")
michael@0 19 .then(testClosure)
michael@0 20 .then(() => resumeDebuggerThenCloseAndFinish(gPanel))
michael@0 21 .then(null, aError => {
michael@0 22 ok(false, "Got an error: " + aError.message + "\n" + aError.stack);
michael@0 23 });
michael@0 24 });
michael@0 25
michael@0 26 function testClosure() {
michael@0 27 // Spin the event loop before causing the debuggee to pause, to allow
michael@0 28 // this function to return first.
michael@0 29 executeSoon(() => {
michael@0 30 EventUtils.sendMouseEvent({ type: "click" },
michael@0 31 gDebuggee.document.querySelector("button"),
michael@0 32 gDebuggee);
michael@0 33 });
michael@0 34
michael@0 35 return waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_SCOPES).then(() => {
michael@0 36 let gVars = gDebugger.DebuggerView.Variables;
michael@0 37 let localScope = gVars.getScopeAtIndex(0);
michael@0 38 let localNodes = localScope.target.querySelector(".variables-view-element-details").childNodes;
michael@0 39
michael@0 40 is(localNodes[4].querySelector(".name").getAttribute("value"), "person",
michael@0 41 "Should have the right property name for |person|.");
michael@0 42 is(localNodes[4].querySelector(".value").getAttribute("value"), "Object",
michael@0 43 "Should have the right property value for |person|.");
michael@0 44
michael@0 45 // Expand the 'person' tree node. This causes its properties to be
michael@0 46 // retrieved and displayed.
michael@0 47 let personNode = gVars.getItemForNode(localNodes[4]);
michael@0 48 let personFetched = waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_PROPERTIES);
michael@0 49 personNode.expand();
michael@0 50
michael@0 51 return personFetched.then(() => {
michael@0 52 is(personNode.expanded, true,
michael@0 53 "|person| should be expanded at this point.");
michael@0 54
michael@0 55 is(personNode.get("getName").target.querySelector(".name")
michael@0 56 .getAttribute("value"), "getName",
michael@0 57 "Should have the right property name for 'getName' in person.");
michael@0 58 is(personNode.get("getName").target.querySelector(".value")
michael@0 59 .getAttribute("value"), "_pfactory/<.getName()",
michael@0 60 "'getName' in person should have the right value.");
michael@0 61 is(personNode.get("getFoo").target.querySelector(".name")
michael@0 62 .getAttribute("value"), "getFoo",
michael@0 63 "Should have the right property name for 'getFoo' in person.");
michael@0 64 is(personNode.get("getFoo").target.querySelector(".value")
michael@0 65 .getAttribute("value"), "_pfactory/<.getFoo()",
michael@0 66 "'getFoo' in person should have the right value.");
michael@0 67
michael@0 68 // Expand the function nodes. This causes their properties to be
michael@0 69 // retrieved and displayed.
michael@0 70 let getFooNode = personNode.get("getFoo");
michael@0 71 let getNameNode = personNode.get("getName");
michael@0 72 let funcsFetched = waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_PROPERTIES, 2);
michael@0 73 let funcClosuresFetched = waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_SCOPES, 2);
michael@0 74 getFooNode.expand();
michael@0 75 getNameNode.expand();
michael@0 76
michael@0 77 return funcsFetched.then(() => {
michael@0 78 is(getFooNode.expanded, true,
michael@0 79 "|person.getFoo| should be expanded at this point.");
michael@0 80 is(getNameNode.expanded, true,
michael@0 81 "|person.getName| should be expanded at this point.");
michael@0 82
michael@0 83 is(getFooNode.get("<Closure>").target.querySelector(".name")
michael@0 84 .getAttribute("value"), "<Closure>",
michael@0 85 "Found the closure node for getFoo.");
michael@0 86 is(getFooNode.get("<Closure>").target.querySelector(".value")
michael@0 87 .getAttribute("value"), "",
michael@0 88 "The closure node has no value for getFoo.");
michael@0 89 is(getNameNode.get("<Closure>").target.querySelector(".name")
michael@0 90 .getAttribute("value"), "<Closure>",
michael@0 91 "Found the closure node for getName.");
michael@0 92 is(getNameNode.get("<Closure>").target.querySelector(".value")
michael@0 93 .getAttribute("value"), "",
michael@0 94 "The closure node has no value for getName.");
michael@0 95
michael@0 96 // Expand the closure nodes. This causes their environments to be
michael@0 97 // retrieved and displayed.
michael@0 98 let getFooClosure = getFooNode.get("<Closure>");
michael@0 99 let getNameClosure = getNameNode.get("<Closure>");
michael@0 100 getFooClosure.expand();
michael@0 101 getNameClosure.expand();
michael@0 102
michael@0 103 return funcClosuresFetched.then(() => {
michael@0 104 is(getFooClosure.expanded, true,
michael@0 105 "|person.getFoo| closure should be expanded at this point.");
michael@0 106 is(getNameClosure.expanded, true,
michael@0 107 "|person.getName| closure should be expanded at this point.");
michael@0 108
michael@0 109 is(getFooClosure.get("Function scope [_pfactory]").target.querySelector(".name")
michael@0 110 .getAttribute("value"), "Function scope [_pfactory]",
michael@0 111 "Found the function scope node for the getFoo closure.");
michael@0 112 is(getFooClosure.get("Function scope [_pfactory]").target.querySelector(".value")
michael@0 113 .getAttribute("value"), "",
michael@0 114 "The function scope node has no value for the getFoo closure.");
michael@0 115 is(getNameClosure.get("Function scope [_pfactory]").target.querySelector(".name")
michael@0 116 .getAttribute("value"), "Function scope [_pfactory]",
michael@0 117 "Found the function scope node for the getName closure.");
michael@0 118 is(getNameClosure.get("Function scope [_pfactory]").target.querySelector(".value")
michael@0 119 .getAttribute("value"), "",
michael@0 120 "The function scope node has no value for the getName closure.");
michael@0 121
michael@0 122 // Expand the scope nodes.
michael@0 123 let getFooInnerScope = getFooClosure.get("Function scope [_pfactory]");
michael@0 124 let getNameInnerScope = getNameClosure.get("Function scope [_pfactory]");
michael@0 125 let innerFuncsFetched = waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_PROPERTIES, 2);
michael@0 126 getFooInnerScope.expand();
michael@0 127 getNameInnerScope.expand();
michael@0 128
michael@0 129 return funcsFetched.then(() => {
michael@0 130 is(getFooInnerScope.expanded, true,
michael@0 131 "|person.getFoo| inner scope should be expanded at this point.");
michael@0 132 is(getNameInnerScope.expanded, true,
michael@0 133 "|person.getName| inner scope should be expanded at this point.");
michael@0 134
michael@0 135 // Only test that each function closes over the necessary variable.
michael@0 136 // We wouldn't want future SpiderMonkey closure space
michael@0 137 // optimizations to break this test.
michael@0 138 is(getFooInnerScope.get("foo").target.querySelector(".name")
michael@0 139 .getAttribute("value"), "foo",
michael@0 140 "Found the foo node for the getFoo inner scope.");
michael@0 141 is(getFooInnerScope.get("foo").target.querySelector(".value")
michael@0 142 .getAttribute("value"), "10",
michael@0 143 "The foo node has the expected value.");
michael@0 144 is(getNameInnerScope.get("name").target.querySelector(".name")
michael@0 145 .getAttribute("value"), "name",
michael@0 146 "Found the name node for the getName inner scope.");
michael@0 147 is(getNameInnerScope.get("name").target.querySelector(".value")
michael@0 148 .getAttribute("value"), '"Bob"',
michael@0 149 "The name node has the expected value.");
michael@0 150 });
michael@0 151 });
michael@0 152 });
michael@0 153 });
michael@0 154 });
michael@0 155 }
michael@0 156 }

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