v8/test/debugger/debug/debug-break-class-fields.js
Sathya Gunasekaran 1908872dcd [class] Make class field initializers breakable in the debugger
Add tests.

Bug: v8:5367
Cq-Include-Trybots: luci.chromium.try:linux_chromium_headless_rel;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I2a4215a87ba1dae98c4b25547494165f534b4a66
Reviewed-on: https://chromium-review.googlesource.com/1218046
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55974}
2018-09-17 22:25:44 +00:00

140 lines
5.2 KiB
JavaScript

// Copyright 2018 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: --harmony-public-fields --harmony-static-fields --allow-natives-syntax
Debug = debug.Debug
Debug.setListener(function() {});
class Y {
x = 1;
y = 2;
z = 3;
}
var initializer = %GetInitializerFunction(Y);
var b1, b2, b3;
// class Y {
// x = [B0]1;
// y = [B1]2;
// z = [B2]3;
// }
b1 = Debug.setBreakPoint(initializer, 0, 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("x = [B0]1;") === 0);
Debug.clearBreakPoint(b1);
assertTrue(Debug.showBreakPoints(initializer).indexOf("x = [B0]1;") === -1);
b2 = Debug.setBreakPoint(initializer, 1, 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("y = [B0]2;") > 0);
Debug.clearBreakPoint(b2);
assertTrue(Debug.showBreakPoints(initializer).indexOf("y = [B0]2;") === -1);
b3 = Debug.setBreakPoint(initializer, 2, 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("z = [B0]3") > 0);
Debug.clearBreakPoint(b3);
assertTrue(Debug.showBreakPoints(initializer).indexOf("z = [B0]3") === -1);
b1 = Debug.setBreakPoint(initializer, 0, 0);
b2 = Debug.setBreakPoint(initializer, 1, 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("x = [B0]1;") === 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("y = [B1]2;") > 0);
Debug.clearBreakPoint(b1);
assertTrue(Debug.showBreakPoints(initializer).indexOf("x = [B0]1;") === -1);
Debug.clearBreakPoint(b2);
assertTrue(Debug.showBreakPoints(initializer).indexOf("y = [B1]2;") === -1);
b1 = Debug.setBreakPoint(initializer, 0, 0);
b3 = Debug.setBreakPoint(initializer, 2, 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("x = [B0]1;") === 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("z = [B1]3") > 0);
Debug.clearBreakPoint(b1);
assertTrue(Debug.showBreakPoints(initializer).indexOf("x = [B0]1;") === -1);
Debug.clearBreakPoint(b3);
assertTrue(Debug.showBreakPoints(initializer).indexOf("z = [B1]3") === -1);
b2 = Debug.setBreakPoint(initializer, 1, 0);
b3 = Debug.setBreakPoint(initializer, 2, 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("y = [B0]2;") > 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("z = [B1]3") > 0);
Debug.clearBreakPoint(b2);
assertTrue(Debug.showBreakPoints(initializer).indexOf("y = [B0]2;") === -1);
Debug.clearBreakPoint(b3);
assertTrue(Debug.showBreakPoints(initializer).indexOf("z = [B1]3") === -1);
function foo() {}
var bar = "bar";
class X {
[foo()] = 1;
[bar] = 2;
baz = foo();
}
// The computed properties are evaluated during class construction,
// not as part of the initializer function. As a consequence of which,
// they aren't breakable here in the initializer function, but
// instead, are part of the enclosing function.
//
// class X {
// [foo()] = [B0]1;
// [bar] = [B1]2;
// [baz] = [B2]foo();
// }
initializer = %GetInitializerFunction(X);
b1 = Debug.setBreakPoint(initializer, 0, 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[foo()] = [B0]1;") === 0);
Debug.clearBreakPoint(b1);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[foo()] = [B0]1;") === -1);
b2 = Debug.setBreakPoint(initializer, 1, 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[bar] = [B0]2;") > 0);
Debug.clearBreakPoint(b2);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[bar] = [B0]2;") === -1);
b3 = Debug.setBreakPoint(initializer, 2, 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("baz = [B0]foo()") > 0);
Debug.clearBreakPoint(b3);
assertTrue(Debug.showBreakPoints(initializer).indexOf("baz = [B0]foo()") === -1);
b1 = Debug.setBreakPoint(initializer, 0, 0);
b2 = Debug.setBreakPoint(initializer, 1, 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[foo()] = [B0]1;") === 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[bar] = [B1]2;") > 0);
Debug.clearBreakPoint(b1);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[foo()] = [B0]1;") === -1);
Debug.clearBreakPoint(b2);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[bar] = [B1]2;") === -1);
b1 = Debug.setBreakPoint(initializer, 0, 0);
b3 = Debug.setBreakPoint(initializer, 2, 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[foo()] = [B0]1;") === 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("baz = [B1]foo()") > 0);
Debug.clearBreakPoint(b1);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[foo()] = [B0]1;") === -1);
Debug.clearBreakPoint(b3);
assertTrue(Debug.showBreakPoints(initializer).indexOf("baz = [B1]foo()") === -1);
b2 = Debug.setBreakPoint(initializer, 1, 0);
b3 = Debug.setBreakPoint(initializer, 2, 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[bar] = [B0]2;") > 0);
assertTrue(Debug.showBreakPoints(initializer).indexOf("baz = [B1]foo()") > 0);
Debug.clearBreakPoint(b2);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[bar] = [B0]2;") === -1);
Debug.clearBreakPoint(b3);
assertTrue(Debug.showBreakPoints(initializer).indexOf("baz = [B1]foo()") === -1);
function t() {
class X {
[foo()] = 1;
}
}
b1 = Debug.setBreakPoint(t, 0, 0);
assertTrue(Debug.showBreakPoints(t).indexOf("[[B0]foo()] = 1;")> 0);
Debug.clearBreakPoint(b1);
assertTrue(Debug.showBreakPoints(initializer).indexOf("[[B0]foo()] = 1;") === -1);