| // Copyright 2019 Igalia, S.L. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-intl.numberformat.prototype.formattoparts |
| description: Checks handling of the engineering and scientific notations. |
| locale: [zh-TW] |
| features: [Intl.NumberFormat-unified] |
| ---*/ |
| |
| function verifyFormatParts(actual, expected, message) { |
| assert.sameValue(Array.isArray(expected), true, `${message}: expected is Array`); |
| assert.sameValue(Array.isArray(actual), true, `${message}: actual is Array`); |
| assert.sameValue(actual.length, expected.length, `${message}: length`); |
| |
| for (let i = 0; i < actual.length; ++i) { |
| assert.sameValue(actual[i].type, expected[i].type, `${message}: parts[${i}].type`); |
| assert.sameValue(actual[i].value, expected[i].value, `${message}: parts[${i}].value`); |
| } |
| } |
| |
| const tests = [ |
| [ |
| 0.000345, |
| [{"type":"integer","value":"345"},{"type":"exponentSeparator","value":"E"},{"type":"exponentMinusSign","value":"-"},{"type":"exponentInteger","value":"6"}], |
| [{"type":"integer","value":"3"},{"type":"decimal","value":"."},{"type":"fraction","value":"45"},{"type":"exponentSeparator","value":"E"},{"type":"exponentMinusSign","value":"-"},{"type":"exponentInteger","value":"4"}], |
| ], |
| [ |
| 0.345, |
| [{"type":"integer","value":"345"},{"type":"exponentSeparator","value":"E"},{"type":"exponentMinusSign","value":"-"},{"type":"exponentInteger","value":"3"}], |
| [{"type":"integer","value":"3"},{"type":"decimal","value":"."},{"type":"fraction","value":"45"},{"type":"exponentSeparator","value":"E"},{"type":"exponentMinusSign","value":"-"},{"type":"exponentInteger","value":"1"}], |
| ], |
| [ |
| 3.45, |
| [{"type":"integer","value":"3"},{"type":"decimal","value":"."},{"type":"fraction","value":"45"},{"type":"exponentSeparator","value":"E"},{"type":"exponentInteger","value":"0"}], |
| [{"type":"integer","value":"3"},{"type":"decimal","value":"."},{"type":"fraction","value":"45"},{"type":"exponentSeparator","value":"E"},{"type":"exponentInteger","value":"0"}], |
| ], |
| [ |
| 34.5, |
| [{"type":"integer","value":"34"},{"type":"decimal","value":"."},{"type":"fraction","value":"5"},{"type":"exponentSeparator","value":"E"},{"type":"exponentInteger","value":"0"}], |
| [{"type":"integer","value":"3"},{"type":"decimal","value":"."},{"type":"fraction","value":"45"},{"type":"exponentSeparator","value":"E"},{"type":"exponentInteger","value":"1"}], |
| ], |
| [ |
| 543, |
| [{"type":"integer","value":"543"},{"type":"exponentSeparator","value":"E"},{"type":"exponentInteger","value":"0"}], |
| [{"type":"integer","value":"5"},{"type":"decimal","value":"."},{"type":"fraction","value":"43"},{"type":"exponentSeparator","value":"E"},{"type":"exponentInteger","value":"2"}], |
| ], |
| [ |
| 5430, |
| [{"type":"integer","value":"5"},{"type":"decimal","value":"."},{"type":"fraction","value":"43"},{"type":"exponentSeparator","value":"E"},{"type":"exponentInteger","value":"3"}], |
| [{"type":"integer","value":"5"},{"type":"decimal","value":"."},{"type":"fraction","value":"43"},{"type":"exponentSeparator","value":"E"},{"type":"exponentInteger","value":"3"}], |
| ], |
| [ |
| 543000, |
| [{"type":"integer","value":"543"},{"type":"exponentSeparator","value":"E"},{"type":"exponentInteger","value":"3"}], |
| [{"type":"integer","value":"5"},{"type":"decimal","value":"."},{"type":"fraction","value":"43"},{"type":"exponentSeparator","value":"E"},{"type":"exponentInteger","value":"5"}], |
| ], |
| [ |
| 543211.1, |
| [{"type":"integer","value":"543"},{"type":"decimal","value":"."},{"type":"fraction","value":"211"},{"type":"exponentSeparator","value":"E"},{"type":"exponentInteger","value":"3"}], |
| [{"type":"integer","value":"5"},{"type":"decimal","value":"."},{"type":"fraction","value":"432"},{"type":"exponentSeparator","value":"E"},{"type":"exponentInteger","value":"5"}], |
| ], |
| [ |
| -Infinity, |
| [{"type":"minusSign","value":"-"},{"type":"infinity","value":"∞"}], |
| [{"type":"minusSign","value":"-"},{"type":"infinity","value":"∞"}], |
| ], |
| [ |
| Infinity, |
| [{"type":"infinity","value":"∞"}], |
| [{"type":"infinity","value":"∞"}], |
| ], |
| [ |
| NaN, |
| [{"type":"nan","value":"非數值"}], |
| [{"type":"nan","value":"非數值"}], |
| ], |
| ]; |
| |
| for (const [number, engineering, scientific] of tests) { |
| const nfEngineering = (new Intl.NumberFormat("zh-TW", { notation: "engineering" })); |
| verifyFormatParts(nfEngineering.formatToParts(number), engineering, `${number} - engineering`); |
| const nfScientific = (new Intl.NumberFormat("zh-TW", { notation: "scientific" })); |
| verifyFormatParts(nfScientific.formatToParts(number), scientific, `${number} - scientific`); |
| } |
| |