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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
// |reftest| skip-if(!xulRuntime.shell)
function test() {
// destructuring in for-in and for-of loop heads
var axbycz = objPatt([assignProp("a", ident("x")),
assignProp("b", ident("y")),
assignProp("c", ident("z"))]);
var xyz = arrPatt([assignElem("x"), assignElem("y"), assignElem("z")]);
assertStmt("for (var {a:x,b:y,c:z} in foo);", forInStmt(varDecl([{ id: axbycz, init: null }]), ident("foo"), emptyStmt));
assertStmt("for (let {a:x,b:y,c:z} in foo);", forInStmt(letDecl([{ id: axbycz, init: null }]), ident("foo"), emptyStmt));
assertStmt("for ({a:x,b:y,c:z} in foo);", forInStmt(axbycz, ident("foo"), emptyStmt));
assertStmt("for (var [x,y,z] in foo);", forInStmt(varDecl([{ id: xyz, init: null }]), ident("foo"), emptyStmt));
assertStmt("for (let [x,y,z] in foo);", forInStmt(letDecl([{ id: xyz, init: null }]), ident("foo"), emptyStmt));
assertStmt("for ([x,y,z] in foo);", forInStmt(xyz, ident("foo"), emptyStmt));
assertStmt("for (var {a:x,b:y,c:z} of foo);", forOfStmt(varDecl([{ id: axbycz, init: null }]), ident("foo"), emptyStmt));
assertStmt("for (let {a:x,b:y,c:z} of foo);", forOfStmt(letDecl([{ id: axbycz, init: null }]), ident("foo"), emptyStmt));
assertStmt("for ({a:x,b:y,c:z} of foo);", forOfStmt(axbycz, ident("foo"), emptyStmt));
assertStmt("for (var [x,y,z] of foo);", forOfStmt(varDecl([{ id: xyz, init: null }]), ident("foo"), emptyStmt));
assertStmt("for (let [x,y,z] of foo);", forOfStmt(letDecl([{ id: xyz, init: null }]), ident("foo"), emptyStmt));
assertStmt("for ([x,y,z] of foo);", forOfStmt(xyz, ident("foo"), emptyStmt));
assertStmt("for (const x in foo);",
forInStmt(constDecl([{ id: ident("x"), init: null }]), ident("foo"), emptyStmt));
assertStmt("for (const {a:x,b:y,c:z} in foo);",
forInStmt(constDecl([{ id: axbycz, init: null }]), ident("foo"), emptyStmt));
assertStmt("for (const [x,y,z] in foo);",
forInStmt(constDecl([{ id: xyz, init: null }]), ident("foo"), emptyStmt));
assertStmt("for (const x of foo);",
forOfStmt(constDecl([{id: ident("x"), init: null }]), ident("foo"), emptyStmt));
assertStmt("for (const {a:x,b:y,c:z} of foo);",
forOfStmt(constDecl([{ id: axbycz, init: null }]), ident("foo"), emptyStmt));
assertStmt("for (const [x,y,z] of foo);",
forOfStmt(constDecl([{ id: xyz, init: null }]), ident("foo"), emptyStmt));
assertError("for (x = 22 in foo);", SyntaxError);-
assertError("for ({a:x,b:y,c:z} = 22 in foo);", SyntaxError);
assertError("for ([x,y,z] = 22 in foo);", SyntaxError);
assertError("for (const x = 22 in foo);", SyntaxError);
assertError("for (const {a:x,b:y,c:z} = 22 in foo);", SyntaxError);
assertError("for (const [x,y,z] = 22 in foo);", SyntaxError);
}
runtest(test);
|
