Robert Nystrom
8717ff636a
Change-Id: Ib34bac4962df8927cf2952a4cc5e388c84dcea79 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/425984 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse Nielsen <lrn@google.com> Commit-Queue: Lasse Nielsen <lrn@google.com>
171 lines
9.1 KiB
Dart
171 lines
9.1 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// We temporarily test both the new math library and the old Math
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// class. This can easily be simplified once we get rid of the Math
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// class entirely.
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library math_parse_double_test;
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import "package:expect/expect.dart";
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void parseDoubleThrowsFormatException(str) {
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Expect.throwsFormatException(() => double.parse(str));
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}
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void runTest(double expected, String input) {
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Expect.equals(expected, double.parse(input));
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Expect.equals(expected, double.parse(" $input "));
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Expect.equals(expected, double.parse(" $input"));
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Expect.equals(expected, double.parse("$input "));
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Expect.equals(expected, double.parse("+$input"));
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Expect.equals(expected, double.parse(" +$input "));
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Expect.equals(expected, double.parse("+$input "));
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Expect.equals(expected, double.parse("\xA0 $input\xA0 "));
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Expect.equals(expected, double.parse(" \xA0$input"));
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Expect.equals(expected, double.parse("$input \xA0"));
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Expect.equals(expected, double.parse("\xA0 +$input\xA0 "));
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Expect.equals(expected, double.parse("+$input\xA0 "));
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Expect.equals(expected, double.parse("\u205F $input\u205F "));
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Expect.equals(expected, double.parse("$input \u2006"));
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Expect.equals(expected, double.parse("\u1680 +$input\u1680 "));
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Expect.equals(-expected, double.parse("-$input"));
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Expect.equals(-expected, double.parse(" -$input "));
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Expect.equals(-expected, double.parse("-$input "));
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Expect.equals(-expected, double.parse("\xA0 -$input\xA0 "));
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Expect.equals(-expected, double.parse("-$input\xA0 "));
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Expect.equals(-expected, double.parse("\u1680 -$input\u1680 "));
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}
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final TESTS = [
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[499.0, "499"],
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[499.0, "499."],
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[499.0, "499.0"],
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[0.0, "0"],
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[0.0, ".0"],
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[0.0, "0."],
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[0.1, "0.1"],
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[0.1, ".1"],
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[10.0, "010"],
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[1.5, "1.5"],
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[1.5, "001.5"],
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[1.5, "1.500"],
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[1234567.89, "1234567.89"],
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[1234567e89, "1234567e89"],
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[1234567.89e2, "1234567.89e2"],
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[1234567.89e2, "1234567.89e+2"],
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[1234567.89e-2, "1234567.89e-2"],
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[5.0, "5"],
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[123456700.0, "1234567.e2"],
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[123456700.0, "1234567.e+2"],
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[double.infinity, "Infinity"],
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[5e-324, "5e-324"], // min-pos.
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// Same, without exponential.
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[
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0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004940656458412465441765687928682213723650598026143247644255856825006755072702087518652998363616359923797965646954457177309266567103559397963987747960107818781263007131903114045278458171678489821036887186360569987307230500063874091535649843873124733972731696151400317153853980741262385655911710266585566867681870395603106249319452715914924553293054565444011274801297099995419319894090804165633245247571478690147267801593552386115501348035264934720193790268107107491703332226844753335720832431936092382893458368060106011506169809753078342277318329247904982524730776375927247874656084778203734469699533647017972677717585125660551199131504891101451037862738167250955837389733598993664809941164205702637090279242767544565229087538682506419718265533447265625,
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"0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004940656458412465441765687928682213723650598026143247644255856825006755072702087518652998363616359923797965646954457177309266567103559397963987747960107818781263007131903114045278458171678489821036887186360569987307230500063874091535649843873124733972731696151400317153853980741262385655911710266585566867681870395603106249319452715914924553293054565444011274801297099995419319894090804165633245247571478690147267801593552386115501348035264934720193790268107107491703332226844753335720832431936092382893458368060106011506169809753078342277318329247904982524730776375927247874656084778203734469699533647017972677717585125660551199131504891101451037862738167250955837389733598993664809941164205702637090279242767544565229087538682506419718265533447265625",
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],
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[0.0, "2e-324"], // underflow 0.0
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[0.9999999999999999, "0.9999999999999999"], // max below 1
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[1.0, "1.00000000000000005"], // 1.0
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[1.0000000000000002, "1.0000000000000002"], // min above 1
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[2147483647.0, "2147483647"], // max int32
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[2147483647.0000002, "2147483647.0000002"], // min not int32
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[2147483648.0, "2147483648"], // min int not int32
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[4295967295.0, "4295967295"], // max uint32
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[4295967295.000001, "4295967295.000001"], // min not uint-32
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[4295967296.0, "4295967296"], // min int not-uint32
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[1.7976931348623157e+308, "1.7976931348623157e+308"], // Max finite
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[1.7976931348623157e+308, "1.7976931348623158e+308"], // Max finite
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[double.infinity, "1.7976931348623159e+308"], // Infinity
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[.049999999999999994, ".049999999999999994"], // not 0.5
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[.05, ".04999999999999999935"],
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[4503599627370498.0, "4503599627370497.5"],
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[1.2345678901234568e+39, "1234567890123456898981341324213421342134"],
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[9.87291183742987e+24, "9872911837429871193379121"],
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[1e21, "1e+21"],
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];
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void main() {
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for (var test in TESTS) {
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runTest(test[0] as double, test[1] as String);
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}
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Expect.equals(true, double.parse("-0").isNegative);
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Expect.equals(true, double.parse(" -0 ").isNegative);
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Expect.equals(true, double.parse("\xA0 -0 \xA0").isNegative);
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Expect.isTrue(double.parse("NaN").isNaN);
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Expect.isTrue(double.parse("-NaN").isNaN);
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Expect.isTrue(double.parse("+NaN").isNaN);
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Expect.isTrue(double.parse("NaN ").isNaN);
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Expect.isTrue(double.parse("-NaN ").isNaN);
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Expect.isTrue(double.parse("+NaN ").isNaN);
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Expect.isTrue(double.parse(" NaN ").isNaN);
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Expect.isTrue(double.parse(" -NaN ").isNaN);
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Expect.isTrue(double.parse(" +NaN ").isNaN);
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Expect.isTrue(double.parse(" NaN").isNaN);
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Expect.isTrue(double.parse(" -NaN").isNaN);
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Expect.isTrue(double.parse(" +NaN").isNaN);
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Expect.isTrue(double.parse("NaN\xA0").isNaN);
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Expect.isTrue(double.parse("-NaN\xA0").isNaN);
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Expect.isTrue(double.parse("+NaN\xA0").isNaN);
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Expect.isTrue(double.parse(" \xA0NaN\xA0").isNaN);
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Expect.isTrue(double.parse(" \xA0-NaN\xA0").isNaN);
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Expect.isTrue(double.parse(" \xA0+NaN\xA0").isNaN);
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Expect.isTrue(double.parse(" \xA0NaN").isNaN);
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Expect.isTrue(double.parse(" \xA0-NaN").isNaN);
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Expect.isTrue(double.parse(" \xA0+NaN").isNaN);
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parseDoubleThrowsFormatException("1b");
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parseDoubleThrowsFormatException(" 1b ");
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parseDoubleThrowsFormatException(" 1 b ");
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parseDoubleThrowsFormatException(" e3 ");
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parseDoubleThrowsFormatException(" .e3 ");
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parseDoubleThrowsFormatException("00x12");
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parseDoubleThrowsFormatException(" 00x12 ");
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parseDoubleThrowsFormatException("-1b");
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parseDoubleThrowsFormatException(" -1b ");
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parseDoubleThrowsFormatException(" -1 b ");
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parseDoubleThrowsFormatException("-00x12");
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parseDoubleThrowsFormatException(" -00x12 ");
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parseDoubleThrowsFormatException(" -00x12 ");
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parseDoubleThrowsFormatException("0x0x12");
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parseDoubleThrowsFormatException("+ 1.5");
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parseDoubleThrowsFormatException("- 1.5");
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parseDoubleThrowsFormatException("");
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parseDoubleThrowsFormatException(" ");
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parseDoubleThrowsFormatException("+0x1234567890");
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parseDoubleThrowsFormatException(" +0x1234567890 ");
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parseDoubleThrowsFormatException(" +0x100 ");
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parseDoubleThrowsFormatException("+0x100");
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parseDoubleThrowsFormatException("0x1234567890");
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parseDoubleThrowsFormatException("-0x1234567890");
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parseDoubleThrowsFormatException(" 0x1234567890 ");
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parseDoubleThrowsFormatException(" -0x1234567890 ");
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parseDoubleThrowsFormatException("0x100");
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parseDoubleThrowsFormatException("-0x100");
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parseDoubleThrowsFormatException(" 0x100 ");
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parseDoubleThrowsFormatException(" -0x100 ");
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parseDoubleThrowsFormatException("0xabcdef");
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parseDoubleThrowsFormatException("0xABCDEF");
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parseDoubleThrowsFormatException("0xabCDEf");
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parseDoubleThrowsFormatException("-0xabcdef");
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parseDoubleThrowsFormatException("-0xABCDEF");
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parseDoubleThrowsFormatException(" 0xabcdef ");
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parseDoubleThrowsFormatException(" 0xABCDEF ");
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parseDoubleThrowsFormatException(" -0xabcdef ");
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parseDoubleThrowsFormatException(" -0xABCDEF ");
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parseDoubleThrowsFormatException("0x00000abcdef");
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parseDoubleThrowsFormatException("0x00000ABCDEF");
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parseDoubleThrowsFormatException("-0x00000abcdef");
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parseDoubleThrowsFormatException("-0x00000ABCDEF");
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parseDoubleThrowsFormatException(" 0x00000abcdef ");
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parseDoubleThrowsFormatException(" 0x00000ABCDEF ");
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parseDoubleThrowsFormatException(" -0x00000abcdef ");
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parseDoubleThrowsFormatException(" -0x00000ABCDEF ");
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parseDoubleThrowsFormatException(" -INFINITY ");
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parseDoubleThrowsFormatException(" NAN ");
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parseDoubleThrowsFormatException(" inf ");
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parseDoubleThrowsFormatException(" nan ");
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}
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