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Side by Side Diff: tests/lib/math/math_test.dart

Issue 2771453003: Format all tests. (Closed)
Patch Set: Format files Created 3 years, 8 months ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 library math_test; 5 library math_test;
6
6 import "package:expect/expect.dart"; 7 import "package:expect/expect.dart";
7 import 'dart:math'; 8 import 'dart:math';
8 9
9 class MathTest { 10 class MathTest {
10 static void testConstants() { 11 static void testConstants() {
11 // Source for mathematical constants is Wolfram Alpha. 12 // Source for mathematical constants is Wolfram Alpha.
12 Expect.equals(2.7182818284590452353602874713526624977572470936999595749669, 13 Expect.equals(
13 E); 14 2.7182818284590452353602874713526624977572470936999595749669, E);
14 Expect.equals(2.3025850929940456840179914546843642076011014886287729760333, 15 Expect.equals(
15 LN10); 16 2.3025850929940456840179914546843642076011014886287729760333, LN10);
16 Expect.equals(0.6931471805599453094172321214581765680755001343602552541206, 17 Expect.equals(
17 LN2); 18 0.6931471805599453094172321214581765680755001343602552541206, LN2);
18 Expect.equals(1.4426950408889634073599246810018921374266459541529859341354, 19 Expect.equals(
19 LOG2E); 20 1.4426950408889634073599246810018921374266459541529859341354, LOG2E);
20 Expect.equals(0.4342944819032518276511289189166050822943970058036665661144, 21 Expect.equals(
21 LOG10E); 22 0.4342944819032518276511289189166050822943970058036665661144, LOG10E);
22 Expect.equals(3.1415926535897932384626433832795028841971693993751058209749, 23 Expect.equals(
23 PI); 24 3.1415926535897932384626433832795028841971693993751058209749, PI);
24 Expect.equals(0.7071067811865475244008443621048490392848359376884740365883, 25 Expect.equals(
25 SQRT1_2); 26 0.7071067811865475244008443621048490392848359376884740365883, SQRT1_2);
26 Expect.equals(1.4142135623730950488016887242096980785696718753769480731766, 27 Expect.equals(
27 SQRT2); 28 1.4142135623730950488016887242096980785696718753769480731766, SQRT2);
28 } 29 }
29 30
30 static checkClose(double a, double b, EPSILON) { 31 static checkClose(double a, double b, EPSILON) {
31 Expect.equals(true, a - EPSILON <= b); 32 Expect.equals(true, a - EPSILON <= b);
32 Expect.equals(true, b <= a + EPSILON); 33 Expect.equals(true, b <= a + EPSILON);
33 } 34 }
34 35
35 static void testSin() { 36 static void testSin() {
36 // Given the imprecision of PI we can't expect better results than this. 37 // Given the imprecision of PI we can't expect better results than this.
37 final double EPSILON = 1e-15; 38 final double EPSILON = 1e-15;
(...skipping 24 matching lines...) Expand all
62 } 63 }
63 64
64 static void testAsin() { 65 static void testAsin() {
65 // Given the imprecision of PI we can't expect better results than this. 66 // Given the imprecision of PI we can't expect better results than this.
66 final double EPSILON = 1e-15; 67 final double EPSILON = 1e-15;
67 checkClose(0.0, asin(0.0), EPSILON); 68 checkClose(0.0, asin(0.0), EPSILON);
68 checkClose(PI / 2.0, asin(1.0), EPSILON); 69 checkClose(PI / 2.0, asin(1.0), EPSILON);
69 checkClose(-PI / 2.0, asin(-1.0), EPSILON); 70 checkClose(-PI / 2.0, asin(-1.0), EPSILON);
70 } 71 }
71 72
72
73 static void testAcos() { 73 static void testAcos() {
74 // Given the imprecision of PI we can't expect better results than this. 74 // Given the imprecision of PI we can't expect better results than this.
75 final double EPSILON = 1e-15; 75 final double EPSILON = 1e-15;
76 checkClose(0.0, acos(1.0), EPSILON); 76 checkClose(0.0, acos(1.0), EPSILON);
77 checkClose(PI, acos(-1.0), EPSILON); 77 checkClose(PI, acos(-1.0), EPSILON);
78 checkClose(PI / 2.0, acos(0.0), EPSILON); 78 checkClose(PI / 2.0, acos(0.0), EPSILON);
79 } 79 }
80 80
81 static void testAtan() { 81 static void testAtan() {
82 // Given the imprecision of PI we can't expect better results than this. 82 // Given the imprecision of PI we can't expect better results than this.
(...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after
121 Expect.equals(true, limitLow <= b); 121 Expect.equals(true, limitLow <= b);
122 Expect.equals(true, b <= limitHigh); 122 Expect.equals(true, b <= limitHigh);
123 } 123 }
124 124
125 static void testSqrt() { 125 static void testSqrt() {
126 checkVeryClose(2.0, sqrt(4.0)); 126 checkVeryClose(2.0, sqrt(4.0));
127 checkVeryClose(SQRT2, sqrt(2.0)); 127 checkVeryClose(SQRT2, sqrt(2.0));
128 checkVeryClose(SQRT1_2, sqrt(0.5)); 128 checkVeryClose(SQRT1_2, sqrt(0.5));
129 checkVeryClose(1e50, sqrt(1e100)); 129 checkVeryClose(1e50, sqrt(1e100));
130 checkVeryClose(1.1111111061110855443054405046358901279277111935183977e56, 130 checkVeryClose(1.1111111061110855443054405046358901279277111935183977e56,
131 sqrt(12345678901234e99)); 131 sqrt(12345678901234e99));
132 } 132 }
133 133
134 static void testExp() { 134 static void testExp() {
135 checkVeryClose(E, exp(1.0)); 135 checkVeryClose(E, exp(1.0));
136 final EPSILON = 1e-15; 136 final EPSILON = 1e-15;
137 checkClose(10.0, exp(LN10), EPSILON); 137 checkClose(10.0, exp(LN10), EPSILON);
138 checkClose(2.0, exp(LN2), EPSILON); 138 checkClose(2.0, exp(LN2), EPSILON);
139 } 139 }
140 140
141 static void testLog() { 141 static void testLog() {
(...skipping 52 matching lines...) Expand 10 before | Expand all | Expand 10 after
194 Expect.equals(-0xabcdef, int.parse(" -0x00000abcdef ")); 194 Expect.equals(-0xabcdef, int.parse(" -0x00000abcdef "));
195 Expect.equals(-0xABCDEF, int.parse(" -0x00000ABCDEF ")); 195 Expect.equals(-0xABCDEF, int.parse(" -0x00000ABCDEF "));
196 Expect.equals(10, int.parse("010")); 196 Expect.equals(10, int.parse("010"));
197 Expect.equals(-10, int.parse("-010")); 197 Expect.equals(-10, int.parse("-010"));
198 Expect.equals(10, int.parse(" 010 ")); 198 Expect.equals(10, int.parse(" 010 "));
199 Expect.equals(-10, int.parse(" -010 ")); 199 Expect.equals(-10, int.parse(" -010 "));
200 Expect.equals(9, int.parse("09")); 200 Expect.equals(9, int.parse("09"));
201 Expect.equals(9, int.parse(" 09 ")); 201 Expect.equals(9, int.parse(" 09 "));
202 Expect.equals(-9, int.parse("-09")); 202 Expect.equals(-9, int.parse("-09"));
203 Expect.equals(0x1234567890, int.parse("+0x1234567890")); 203 Expect.equals(0x1234567890, int.parse("+0x1234567890"));
204 Expect.equals(0x1234567890,int.parse(" +0x1234567890 ")); 204 Expect.equals(0x1234567890, int.parse(" +0x1234567890 "));
205 Expect.equals(0x100, int.parse("+0x100")); 205 Expect.equals(0x100, int.parse("+0x100"));
206 Expect.equals(0x100, int.parse(" +0x100 ")); 206 Expect.equals(0x100, int.parse(" +0x100 "));
207 Expect.equals(true, parseIntThrowsFormatException("1b")); 207 Expect.equals(true, parseIntThrowsFormatException("1b"));
208 Expect.equals(true, parseIntThrowsFormatException(" 1b ")); 208 Expect.equals(true, parseIntThrowsFormatException(" 1b "));
209 Expect.equals(true, parseIntThrowsFormatException(" 1 b ")); 209 Expect.equals(true, parseIntThrowsFormatException(" 1 b "));
210 Expect.equals(true, parseIntThrowsFormatException("1e2")); 210 Expect.equals(true, parseIntThrowsFormatException("1e2"));
211 Expect.equals(true, parseIntThrowsFormatException(" 1e2 ")); 211 Expect.equals(true, parseIntThrowsFormatException(" 1e2 "));
212 Expect.equals(true, parseIntThrowsFormatException("00x12")); 212 Expect.equals(true, parseIntThrowsFormatException("00x12"));
213 Expect.equals(true, parseIntThrowsFormatException(" 00x12 ")); 213 Expect.equals(true, parseIntThrowsFormatException(" 00x12 "));
214 Expect.equals(true, parseIntThrowsFormatException("-1b")); 214 Expect.equals(true, parseIntThrowsFormatException("-1b"));
(...skipping 30 matching lines...) Expand all
245 testSqrt(); 245 testSqrt();
246 testLog(); 246 testLog();
247 testExp(); 247 testExp();
248 testParseInt(); 248 testParseInt();
249 } 249 }
250 } 250 }
251 251
252 main() { 252 main() {
253 MathTest.testMain(); 253 MathTest.testMain();
254 } 254 }
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