summaryrefslogtreecommitdiffstats
path: root/js/src/jit-test/tests/generators/yield-regexp.js
blob: 30f6a0298207ec86aa73b07b2fef3303c8c7da83 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
// Bug 1099956

load(libdir + "asserts.js");

// Parses as IDENT(yield) DIV IDENT(abc) DIV IDENT(g).
eval(`function f1() { yield /abc/g; }`);

// Throws a ReferenceError because no global "yield" variable is defined.
var ex;
try {
  f1();
} catch(e) {
  ex = e;
}
assertEq(ex instanceof ReferenceError, true);

// Parses as YIELD REGEXP(/abc/g).
function* f2() {
  yield /abc/g;
}

g = f2();
v = g.next();
assertEq(v.done, false);
assertEq(v.value instanceof RegExp, true);
assertEq(v.value.toString(), "/abc/g");
v = g.next();
assertEq(v.done, true);