зеркало из https://github.com/mozilla/gecko-dev.git
Backed out changeset 11af11887bad (bug 1339395)
This commit is contained in:
Родитель
1bee09a437
Коммит
368003fcb4
|
@ -1,45 +0,0 @@
|
|||
// |reftest| skip-if(!xulRuntime.shell)
|
||||
|
||||
function property(key, value = key, shorthand = key === value) {
|
||||
return { key, value, shorthand };
|
||||
}
|
||||
|
||||
function assertDestrAssign(src, pattern) {
|
||||
assertExpr(`(${src} = 0)`, aExpr("=", pattern, lit(0)));
|
||||
}
|
||||
|
||||
function assertDestrBinding(src, pattern) {
|
||||
assertDecl(`var ${src} = 0`, varDecl([{id: pattern, init: lit(0)}]));
|
||||
}
|
||||
|
||||
function test() {
|
||||
// Target expression must be a simple assignment target or a nested pattern
|
||||
// in object assignment patterns.
|
||||
assertDestrAssign("{...x}", objPatt([spread(ident("x"))]));
|
||||
assertDestrAssign("{...(x)}", objPatt([spread(ident("x"))]));
|
||||
assertDestrAssign("{...obj.p}", objPatt([spread(dotExpr(ident("obj"), ident("p")))]));
|
||||
assertDestrAssign("{...{}}", objPatt([spread(objPatt([]))]));
|
||||
assertDestrAssign("{...[]}", objPatt([spread(arrPatt([]))]));
|
||||
|
||||
// Object binding patterns only allow binding identifiers or nested patterns.
|
||||
assertDestrBinding("{...x}", objPatt([spread(ident("x"))]));
|
||||
assertDestrBinding("{...{}}", objPatt([spread(objPatt([]))]));
|
||||
assertDestrBinding("{...[]}", objPatt([spread(arrPatt([]))]));
|
||||
|
||||
// The rest-property can be preceded by other properties.
|
||||
for (var assertDestr of [assertDestrAssign, assertDestrBinding]) {
|
||||
assertDestr("{a, ...x}", objPatt([property(ident("a")), spread(ident("x"))]));
|
||||
assertDestr("{a: b, ...x}", objPatt([property(ident("a"), ident("b")), spread(ident("x"))]));
|
||||
assertDestr("{[a]: b, ...x}", objPatt([property(comp(ident("a")), ident("b")), spread(ident("x"))]));
|
||||
}
|
||||
|
||||
// Tests when __proto__ is used in the object pattern.
|
||||
for (var assertDestr of [assertDestrAssign, assertDestrBinding]) {
|
||||
assertDestr("{...__proto__}", objPatt([spread(ident("__proto__"))]));
|
||||
assertDestr("{__proto__, ...x}", objPatt([property(ident("__proto__")), spread(ident("x"))]));
|
||||
}
|
||||
assertDestrAssign("{__proto__: a, ...x}", objPatt([property(lit("__proto__"), ident("a")), spread(ident("x"))]));
|
||||
assertDestrBinding("{__proto__: a, ...x}", objPatt([property(ident("__proto__"), ident("a")), spread(ident("x"))]));
|
||||
}
|
||||
|
||||
runtest(test);
|
|
@ -1,29 +0,0 @@
|
|||
// |reftest| skip-if(!xulRuntime.shell)
|
||||
|
||||
function property(key, value = key, shorthand = key === value) {
|
||||
return { key, value, shorthand };
|
||||
}
|
||||
|
||||
function test() {
|
||||
// Any expression can be spreaded.
|
||||
assertExpr("({...x})", objExpr([spread(ident("x"))]));
|
||||
assertExpr("({...f()})", objExpr([spread(callExpr(ident("f"), []))]));
|
||||
assertExpr("({...123})", objExpr([spread(lit(123))]));
|
||||
|
||||
// Multiple spread expression are allowed.
|
||||
assertExpr("({...x, ...obj.p})", objExpr([spread(ident("x")), spread(dotExpr(ident("obj"), ident("p")))]));
|
||||
|
||||
// Spread expression can appear anywhere in an object literal.
|
||||
assertExpr("({p, ...x})", objExpr([property(ident("p")), spread(ident("x"))]));
|
||||
assertExpr("({p: a, ...x})", objExpr([property(ident("p"), ident("a")), spread(ident("x"))]));
|
||||
assertExpr("({...x, p: a})", objExpr([spread(ident("x")), property(ident("p"), ident("a"))]));
|
||||
|
||||
// Trailing comma after spread expression is allowed.
|
||||
assertExpr("({...x,})", objExpr([spread(ident("x"))]));
|
||||
|
||||
// __proto__ is not special in spread expressions.
|
||||
assertExpr("({...__proto__})", objExpr([spread(ident("__proto__"))]));
|
||||
assertExpr("({...__proto__, ...__proto__})", objExpr([spread(ident("__proto__")), spread(ident("__proto__"))]));
|
||||
}
|
||||
|
||||
runtest(test);
|
Загрузка…
Ссылка в новой задаче