// Copyright JS Foundation and other contributors, http://js.foundation // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. //This test will not pass on FLOAT32 due to precision issues assert((123.56).toPrecision() === "123.56"); assert((123.56).toPrecision(1) === "1e+2"); assert((123.56).toPrecision(2) === "1.2e+2"); assert((123.56).toPrecision(6) === "123.560"); assert((-1.23).toPrecision(1) === "-1"); assert((0.00023).toPrecision(1) === "0.0002"); assert((0.356).toPrecision(2) === "0.36"); assert((0.0000356).toPrecision(5) === "0.000035600"); assert((0.000030056).toPrecision(4) === "0.00003006"); assert(Infinity.toPrecision(1) === "Infinity"); assert((-Infinity).toPrecision(1) === "-Infinity"); assert(NaN.toPrecision(1) === "NaN"); assert((0.0).toPrecision(1) === "0"); assert((-0.0).toPrecision(1) === "0"); assert((0.0).toPrecision(6) === "0.00000"); assert((123456789012345678901.0).toPrecision(20) === "1.2345678901234568000e+20"); assert((123456789012345678901.0).toPrecision(21) === "123456789012345680000"); assert((123456789012345678901.0).toPrecision("6") === "1.23457e+20"); assert((123.56).toPrecision(1.3) === "1e+2"); assert((123.56).toPrecision(21.9) === "123.560000000000000000"); assert(Number(982).toPrecision(1) === "1e+3"); assert(Number(982).toPrecision(2) === "9.8e+2"); assert(Number(1499).toPrecision(1) === "1e+3"); assert(Number(1500).toPrecision(1) === "2e+3"); try { (12).toPrecision(0); assert(false); } catch (e) { assert(e instanceof RangeError) } try { (12).toPrecision(22); assert(false); } catch (e) { assert(e instanceof RangeError) } try { Number.prototype.toExponential.call(new Object()); assert(false); } catch (e) { assert(e instanceof TypeError) }