mirror of
https://github.com/jerryscript-project/jerryscript.git
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75 lines
1.8 KiB
JavaScript
75 lines
1.8 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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// This test will not pass on FLOAT32 due to precision issues
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var func = function(a, b) {
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return a + b;
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}
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// check function type
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try {
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[0].reduce(new Object());
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assert(false);
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}
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catch(e) {
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assert(e instanceof TypeError);
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}
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// check for init value
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try {
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[].reduce(func);
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assert(false);
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}
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catch(e) {
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assert(e instanceof TypeError);
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}
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// various checks
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assert ([].reduce(func, 1) === 1);
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assert ([0].reduce(func) === 0);
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assert ([0, 1].reduce(func) === 1);
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assert ([0, 1].reduce(func, 1) === 2);
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assert ([0, 1, 2, 3].reduce(func, 1) === 7);
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assert (["A","B"].reduce(func) === "AB");
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assert (["A","B"].reduce(func, "Init:") === "Init:AB");
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assert ([0, 1].reduce(func, 3.2) === 4.2);
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assert ([0, "x", 1].reduce(func) === "0x1");
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assert ([0, "x", 1].reduce(func, 3.2) === "3.2x1");
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var long_array = [0, 1];
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assert (long_array.reduce(func,10) === 11);
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long_array[10000] = 1;
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assert (long_array.reduce(func,10) === 12);
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var accessed = false;
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function callbackfn(prevVal, curVal, idx, obj) {
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accessed = true;
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return typeof prevVal === "undefined";
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}
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var obj = { 0: 11, length: 1 };
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assert (Array.prototype.reduce.call(obj, callbackfn, undefined) === true && accessed);
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