mirror of
https://github.com/jerryscript-project/jerryscript.git
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60 lines
2.0 KiB
JavaScript
60 lines
2.0 KiB
JavaScript
// Copyright 2015 Samsung Electronics Co., Ltd.
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// Copyright 2015 University of Szeged.
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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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assert((123.56).toPrecision() === "123.56");
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assert((123.56).toPrecision(1) === "1e+2");
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assert((123.56).toPrecision(2) === "1.2e+2");
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assert((123.56).toPrecision(6) === "123.560");
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assert((-1.23).toPrecision(1) === "-1");
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assert((0.00023).toPrecision(1) === "0.0002");
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assert((0.356).toPrecision(2) === "0.36");
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assert((0.0000356).toPrecision(5) === "0.000035600");
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assert((0.000030056).toPrecision(4) === "0.00003006");
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assert(Infinity.toPrecision(1) === "Infinity");
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assert((-Infinity).toPrecision(1) === "-Infinity");
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assert(NaN.toPrecision(1) === "NaN");
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assert((0.0).toPrecision(1) === "0");
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assert((-0.0).toPrecision(1) === "0");
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assert((0.0).toPrecision(6) === "0.00000");
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assert((123456789012345678901.0).toPrecision(20) === "1.2345678901234568000e+20");
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assert((123456789012345678901.0).toPrecision(21) === "123456789012345680000");
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assert((123456789012345678901.0).toPrecision("6") === "1.23457e+20");
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assert((123.56).toPrecision(1.3) === "1e+2");
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assert((123.56).toPrecision(21.9) === "123.560000000000000000");
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try {
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(12).toPrecision(0);
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assert(false);
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} catch (e) {
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assert(e instanceof RangeError)
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}
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try {
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(12).toPrecision(22);
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assert(false);
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} catch (e) {
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assert(e instanceof RangeError)
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}
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try {
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Number.prototype.toExponential.call(new Object());
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assert(false);
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} catch (e) {
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assert(e instanceof TypeError)
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}
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