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map-iterator-usercode.js
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63 lines (57 loc) · 1.43 KB
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/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
// RUN: %hermes -O -target=HBC -serializevm-path=%t %s
// RUN: %hermes -O -deserialize-file=%t -target=HBC %s | %FileCheck --match-full-lines %s
// REQUIRES: serializer
s = new Map();
s.set(1, {});
s.set({}, 1);
s.set(undefined, null);
s.set("abc", "def");
var keys = s.keys();
var values = s.values();
var entries = s.entries();
serializeVM(function() {
print("testIteration");
//CHECK-LABEL: testIteration
print(keys.__proto__);
//CHECK-NEXT: [object Map Iterator]
print(keys[Symbol.iterator]());
//CHECK-NEXT: [object Map Iterator]
print(Object.getOwnPropertyNames(keys.__proto__));
//CHECK-NEXT: next
while (true) {
var e = keys.next();
print(e.value);
if (e.done) break;
}
//CHECK-NEXT: 1
//CHECK-NEXT: [object Object]
//CHECK-NEXT: undefined
//CHECK-NEXT: abc
//CHECK-NEXT: undefined
while (true) {
var e = values.next();
print(e.value);
if (e.done) break;
}
//CHECK-NEXT: [object Object]
//CHECK-NEXT: 1
//CHECK-NEXT: null
//CHECK-NEXT: def
//CHECK-NEXT: undefined
while (true) {
var e = entries.next();
print(e.value);
if (e.done) break;
}
//CHECK-NEXT: 1,[object Object]
//CHECK-NEXT: [object Object],1
//CHECK-NEXT: ,
//CHECK-NEXT: abc,def
//CHECK-NEXT: undefined
})