mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2026-01-31 19:36:29 +00:00
83 lines
2.1 KiB
JavaScript
83 lines
2.1 KiB
JavaScript
/* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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var m = new Map();
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assert(m.size == 0);
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assert(m.set(1, 1) === m);
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assert(m.has(1));
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assert(m.size == 1);
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assert(m.set(undefined, 123) === m);
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assert(m.size == 2);
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assert(m.has(undefined));
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assert(m.get(undefined) === 123);
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assert(m.set(null, 456) === m);
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assert(m.size == 3);
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assert(m.has(null));
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assert(m.get(null) === 456);
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assert(m.set("strItem", { x:789 }) === m);
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assert(m.size == 4);
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assert(m.has("str" + "Item"));
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assert(m.get("st" + "rItem").x === 789);
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assert(m.set(12.25, 12.25) === m);
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assert(m.size == 5);
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assert(m.has(12 + (function() { return 0.25 })()));
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assert(m.get(13 - (function() { return 0.75 })()) === 12.25);
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assert(m.delete(1))
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assert(m.size == 4);
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assert(!m.has(1));
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assert(m.get(1) === undefined);
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assert(!m.delete(2));
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assert(m.delete(12 + (function() { return 0.25 })()));
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assert(m.size == 3);
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assert(!m.has(12.25));
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assert(m.get(12.25) === undefined);
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assert(m.delete("strI" + "tem"))
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assert(m.delete(undefined))
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assert(m.size == 1);
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assert(m.delete(null))
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assert(m.size == 0);
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m.set(1,1)
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m.set(2,2)
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m.set(3,3)
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m.set(1,7)
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m.set(1,8)
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m.set(2,7)
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m.set(2,8)
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m.set(3,7)
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m.set(3,8)
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assert(m.size == 3);
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assert(m.get(1) === 8);
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assert(m.get(2) === 8);
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assert(m.get(3) === 8);
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var mapNameDesc = Object.getOwnPropertyDescriptor (Map, 'name');
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assert(mapNameDesc.value === "Map");
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assert(mapNameDesc.writable === false);
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assert(mapNameDesc.enumerable === false);
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assert(mapNameDesc.configurable === true);
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assert(Map.prototype.name === undefined);
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