v8/test/inspector/debugger/asm-js-stack.js
dgozman 7bbea08f66 [inspector] Refactor protocol-test.js
This refactoring makes it easier to write advanced tests and
gives full control over what's happening to the test code.
It also forces description for every test.

BUG=none

Review-Url: https://codereview.chromium.org/2891213002
Cr-Commit-Position: refs/heads/master@{#45412}
2017-05-19 00:35:45 +00:00

82 lines
2.4 KiB
JavaScript

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --validate-asm
let {session, contextGroup, Protocol} = InspectorTest.start('Tests that asm-js scripts produce correct stack');
function testFunction() {
function generateAsmJs(stdlib, foreign, heap) {
'use asm';
var debugger_fun = foreign.call_debugger;
function callDebugger() {
debugger_fun();
}
function redirectFun() {
callDebugger();
}
return redirectFun;
}
function call_debugger() {
debugger;
}
var fun = generateAsmJs(this, {'call_debugger': call_debugger}, undefined);
fun();
}
contextGroup.addScript(testFunction.toString());
Protocol.Debugger.enable();
Protocol.Debugger.oncePaused().then(handleDebuggerPaused);
Protocol.Runtime.evaluate({'expression': 'testFunction()'});
function locationToString(callFrame) {
var res = {functionName: callFrame.functionName};
for (var attr in callFrame.functionLocation) {
if (attr == 'scriptId') continue;
res['function_'+attr] = callFrame.functionLocation[attr];
}
for (var attr in callFrame.location) {
if (attr == 'scriptId') continue;
res[attr] = callFrame.location[attr];
}
return JSON.stringify(res);
}
function logStackTrace(messageObject) {
var frames = messageObject.params.callFrames;
InspectorTest.log('Number of frames: ' + frames.length);
for (var i = 0; i < frames.length; ++i) {
InspectorTest.log(' - [' + i + '] ' + locationToString(frames[i]));
}
}
function handleDebuggerPaused(messageObject)
{
InspectorTest.log('Paused on \'debugger;\'');
logStackTrace(messageObject);
InspectorTest.log('Getting v8-generated stack trace...');
var topFrameId = messageObject.params.callFrames[0].callFrameId;
Protocol.Debugger
.evaluateOnCallFrame({
callFrameId: topFrameId,
expression: '(new Error("getting stack trace")).stack'
})
.then(callbackEvaluate);
}
function callbackEvaluate(response)
{
InspectorTest.log(
'Result of evaluate (' + response.result.result.type + '):');
var result_lines = response.result.result.value.split("\n");
// Skip the second line, containing the 'evaluate' position.
result_lines[1] = " -- skipped --";
InspectorTest.log(result_lines.join('\n'));
InspectorTest.log('Finished!');
InspectorTest.completeTest();
}