f07b0f214b
BUG=chromium:432468 R=yangguo@chromium.org, adamk@chromium.org LOG=N Review URL: https://codereview.chromium.org/739523002 Cr-Commit-Position: refs/heads/master@{#25423}
102 lines
2.8 KiB
JavaScript
102 lines
2.8 KiB
JavaScript
// Copyright 2014 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: --allow-natives-syntax --expose-debug-as debug
|
|
|
|
Debug = debug.Debug
|
|
var exception = null;
|
|
var break_count = 0;
|
|
var expected_breaks = -1;
|
|
|
|
function listener(event, exec_state, event_data, data) {
|
|
try {
|
|
if (event == Debug.DebugEvent.Break) {
|
|
assertTrue(exec_state.frameCount() != 0, "FAIL: Empty stack trace");
|
|
if (!break_count) {
|
|
// Count number of expected breakpoints in this source file.
|
|
var source_text = exec_state.frame(0).func().script().source();
|
|
expected_breaks = source_text.match(/\/\/\s*Break\s+\d+\./g).length;
|
|
print("Expected breaks: " + expected_breaks);
|
|
}
|
|
var source = exec_state.frame(0).sourceLineText();
|
|
print("paused at: " + source);
|
|
assertTrue(source.indexOf("// Break " + break_count + ".") > 0,
|
|
"Unexpected pause at: " + source + "\n" +
|
|
"Expected: // Break " + break_count + ".");
|
|
if (source.indexOf("StepOver.") !== -1) {
|
|
exec_state.prepareStep(Debug.StepAction.StepNext, 1);
|
|
} else {
|
|
exec_state.prepareStep(Debug.StepAction.StepIn, 1);
|
|
}
|
|
++break_count;
|
|
}
|
|
} catch (e) {
|
|
exception = e;
|
|
print(e, e.stack);
|
|
}
|
|
};
|
|
|
|
Debug.setListener(listener);
|
|
|
|
Promise.resolve(42)
|
|
.then(promise1)
|
|
.then(Object) // Should skip stepping into native.
|
|
.then(Boolean) // Should skip stepping into native.
|
|
.then(promise2)
|
|
.catch(promise3)
|
|
.catch(function(e) {
|
|
%AbortJS("FAIL: uncaught exception " + e);
|
|
});
|
|
|
|
function promise1() {
|
|
debugger; // Break 0.
|
|
return exception || 1; // Break 1.
|
|
} // Break 2.
|
|
|
|
function promise2() {
|
|
throw new Error; // Break 3.
|
|
}
|
|
|
|
function promise3() {
|
|
installObservers(); // Break 4. StepOver.
|
|
return break_count; // Break 5.
|
|
} // Break 6.
|
|
|
|
function installObservers() {
|
|
var dummy = {};
|
|
Object.observe(dummy, observer1);
|
|
Object.observe(dummy, Object); // Should skip stepping into native.
|
|
Object.observe(dummy, Boolean); // Should skip stepping into native.
|
|
Object.observe(dummy, observer2);
|
|
dummy.foo = 1;
|
|
}
|
|
|
|
function observer1() {
|
|
return exception || 3; // Break 7.
|
|
} // Break 8.
|
|
|
|
function observer2() {
|
|
Promise.resolve().then(promise4); // Break 9. StepOver.
|
|
return break_count + 1; // Break 10.
|
|
} // Break 11.
|
|
|
|
function promise4() {
|
|
finalize(); // Break 12. StepOver.
|
|
return 0; // Break 13.
|
|
} // Break 14. StepOver.
|
|
|
|
function finalize() {
|
|
var dummy = {};
|
|
Object.observe(dummy, function() {
|
|
if (expected_breaks !== break_count) {
|
|
%AbortJS("FAIL: expected <" + expected_breaks + "> breaks instead of <" +
|
|
break_count + ">");
|
|
}
|
|
if (exception !== null) {
|
|
%AbortJS("FAIL: exception: " + exception);
|
|
}
|
|
});
|
|
dummy.foo = 1;
|
|
}
|