// Copyright 2015 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: --expose-debug-as debug --harmony-destructuring-assignment
// Flags: --harmony-destructuring-bind
var exception = null;
var Debug = debug.Debug;
var break_count = 0;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
var source = exec_state.frame(0).sourceLineText();
print(source);
assertTrue(source.indexOf(`// B${break_count++}`) > 0);
if (source.indexOf("assertEquals") > 0) {
exec_state.prepareStep(Debug.StepAction.StepNext);
} else {
exec_state.prepareStep(Debug.StepAction.StepIn);
}
} catch (e) {
exception = e;
print(e);
}
};
Debug.setListener(listener);
function f() {
var a, b, c, d;
debugger; // B0
[ // B1
a, // B3
b, // B4
c = 3 // B5
] = [1, 2]; // B2
assertEquals({a:1,b:2,c:3}, {a, b, c}); // B6
[ // B7
a, // B9
[
b, // B10
c // B11
],
d // B12
] = [5, [6, 7], 8]; // B8
assertEquals({a:5,b:6,c:7,d:8}, {a, b, c, d}); // B13
[ // B14
a, // B16
b, // B17
...c // B18
] = [1, 2, 3, 4]; // B15
assertEquals({a:1,b:2,c:[3,4]}, {a, b, c}); // B19
({ // B20
a, // B22
b, // B23
c = 7 // B24
} = {a: 5, b: 6}); // B21
assertEquals({a:5,b:6,c:7}, {a, b, c}); // B25
({ // B26
a, // B28
b = return1(), // B29
c = return1() // B30
} = {a: 5, b: 6}); // B27
assertEquals({a:5,b:6,c:1}, {a, b, c}); // B33
({ // B34
x : a, // B36
y : b, // B37
z : c = 3 // B38
} = {x: 1, y: 2}); // B35
assertEquals({a:1,b:2,c:3}, {a, b, c}); // B39
} // B40
function return1() {
return 1; // B31
} // B32
f();
Debug.setListener(null); // B41
assertNull(exception);