js/src/jit-test/tests/debug/Environment-setVariable-08.js

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1 // setVariable throws if no binding exists.
2
3 load(libdir + "asserts.js");
4
5 function test(code) {
6 var g = newGlobal();
7 var dbg = new Debugger(g);
8 var hits = 0;
9 dbg.onDebuggerStatement = function (frame) {
10 var env = frame.older.environment;
11 assertThrowsInstanceOf(function () { env.setVariable("y", 2); }, Error);
12 hits++;
13 };
14 g.eval("var y = 0; function d() { debugger; }");
15
16 assertEq(g.eval(code), 0);
17
18 assertEq(g.y, 0);
19 assertEq(hits, 1);
20 }
21
22 // local scope of non-heavyweight function
23 test("function f() { var x = 1; d(); return y; } f();");
24
25 // block scope
26 test("function h(x) { if (x) { let x = 1; d(); return y; } } h(3);");
27
28 // strict eval scope
29 test("'use strict'; eval('d(); y;');");

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