js/src/jit-test/tests/debug/Debugger-multi-01.js

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1 // When there are multiple debuggers, their hooks are called in order.
2
3 var g = newGlobal();
4 var log;
5 var arr = [];
6
7 function addDebug(msg) {
8 var dbg = new Debugger(g);
9 dbg.onDebuggerStatement = function (stack) { log += msg; };
10 arr.push(dbg);
11 }
12
13 addDebug('a');
14 addDebug('b');
15 addDebug('c');
16
17 log = '';
18 assertEq(g.eval("debugger; 0;"), 0);
19 assertEq(log, 'abc');
20
21 // Calling debugger hooks stops as soon as any hook returns a resumption value
22 // other than undefined.
23
24 arr[0].onDebuggerStatement = function (stack) {
25 log += 'a';
26 return {return: 1};
27 };
28
29 log = '';
30 assertEq(g.eval("debugger; 0;"), 1);
31 assertEq(log, 'a');

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