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<meta charset="utf8">
<title>Test for the $_ getter</title>
<script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript;version=1.8" src="common.js"></script>
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<body>
<p>Test for the $_ getter</p>
<iframe id="content-iframe" src="http://example.com/chrome/devtools/shared/webconsole/test/sandboxed_iframe.html"></iframe>
<script class="testbody" type="text/javascript;version=1.8">
SimpleTest.waitForExplicitFinish();
let gState;
function evaluateJS(input, callback) {
return new Promise((resolve, reject) => {
gState.client.evaluateJSAsync(input, response => {
if (callback) {
callback(response);
}
resolve(response);
});
});
}
function startTest()
{
removeEventListener("load", startTest);
attachConsoleToTab([], state => {
gState = state;
let tests = [checkUndefinedResult,checkAdditionResult,checkObjectResult];
runTests(tests, testEnd);
});
}
let checkUndefinedResult = Task.async(function*() {
info ("$_ returns undefined if nothing has evaluated yet");
let response = yield evaluateJS("$_");
basicResultCheck(response, "$_", undefined);
nextTest();
});
let checkAdditionResult = Task.async(function*() {
info ("$_ returns last value and performs basic arithmetic");
let response = yield evaluateJS("2+2");
basicResultCheck(response, "2+2", 4);
response = yield evaluateJS("$_");
basicResultCheck(response, "$_", 4);
response = yield evaluateJS("$_ + 2");
basicResultCheck(response, "$_ + 2", 6);
response = yield evaluateJS("$_ + 4");
basicResultCheck(response, "$_ + 4", 10);
nextTest();
});
let checkObjectResult = Task.async(function*() {
info ("$_ has correct references to objects");
let response = yield evaluateJS("var foo = {bar:1}; foo;");
basicResultCheck(response, "var foo = {bar:1}; foo;", {
type: "object",
class: "Object",
actor: /[a-z]/,
});
checkObject(response.result.preview.ownProperties, {
bar: {
value: 1
}
});
response = yield evaluateJS("$_");
basicResultCheck(response, "$_", {
type: "object",
class: "Object",
actor: /[a-z]/,
});
checkObject(response.result.preview.ownProperties, {
bar: {
value: 1
}
});
top.foo.bar = 2;
response = yield evaluateJS("$_");
basicResultCheck(response, "$_", {
type: "object",
class: "Object",
actor: /[a-z]/,
});
checkObject(response.result.preview.ownProperties, {
bar: {
value: 2
}
});
nextTest();
});
function basicResultCheck(response, input, output) {
checkObject(response, {
from: gState.actor,
input: input,
result: output,
});
ok(!response.exception, "no eval exception");
ok(!response.helperResult, "no helper result");
}
function testEnd()
{
closeDebugger(gState, function() {
gState = null;
SimpleTest.finish();
});
}
addEventListener("load", startTest);
</script>
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</html>