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https://github.com/jerryscript-project/jerryscript.git
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7dc2d1dcd7
Delete should return false if an element doesn't exist in a set. ECMA_VALUE_EMPTY wasn't checked in case of a deleted property. JerryScript-DCO-1.0-Signed-off-by: Daniel Balla dballa@inf.u-szeged.hu
94 lines
2.3 KiB
JavaScript
94 lines
2.3 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 set = new Set();
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var int = 1;
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assert (set.size === 0);
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assert (set.add (int) === set);
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assert (set.has (int));
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assert (set.size === 1);
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var str = "foobar"
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assert (set.add (str) === set);
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assert (set.has (str));
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assert (set.size === 2);
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var number = 5.78;
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assert (set.add (number) === set);
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assert (set.has (number));
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assert (set.size === 3);
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var object = { a : 2, b : 4};
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assert (set.add (object) === set);
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assert (set.has (object));
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assert (set.size === 4);
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var func = function () {};
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assert (set.add (func) === set);
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assert (set.has (func));
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assert (set.size === 5);
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var symbol = Symbol ("foo");
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assert (set.add (symbol) === set);
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assert (set.has (symbol));
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assert (set.size === 6);
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assert (!set.has(5));
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assert (!set.has("foo"));
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assert (!set.has({ a : 2, b : 4}));
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assert (!set.has(function () {}));
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assert (!set.has(Symbol ("foo")));
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var elements = [int, str, number, object, func, symbol];
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var i = 0;
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set.forEach (function (value, key) {
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assert (key === elements[i]);
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assert (value === elements[i]);
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i++;
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});
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assert (set.delete (int));
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assert (set.size === 5);
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assert (set.delete (str));
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assert (set.size === 4);
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assert (set.delete (number));
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assert (set.size === 3);
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assert (set.delete (object));
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assert (set.size === 2);
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assert (set.delete (func));
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assert (set.size === 1);
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assert (set.delete (symbol));
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assert (set.size === 0);
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set = new Set([1, 2, 3, 4]);
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assert (set.has(1));
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assert (set.has(2));
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assert (set.has(3));
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assert (set.has(4));
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assert (set.size === 4);
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assert (set.add (2) === set);
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assert (set.size === 4);
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assert (set.delete (2));
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assert (set.size === 3);
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set.clear();
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assert(set.size === 0);
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set.add(3);
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assert(set.delete(3));
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assert(!set.delete(3));
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