Index: tests/language/vm/fraction_test.dart |
diff --git a/tests/language/vm/fraction_test.dart b/tests/language/vm/fraction_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..640594ae67c9b5193231f2ad48e4d9f87c4f7074 |
--- /dev/null |
+++ b/tests/language/vm/fraction_test.dart |
@@ -0,0 +1,237 @@ |
+// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
+// for details. All rights reserved. Use of this source code is governed by a |
+// BSD-style license that can be found in the LICENSE file. |
+ |
+import "package:expect/expect.dart"; |
+ |
+testAdd() { |
+ var a = 1.23r; |
+ Expect.equals(1.33r, a + 0.1r); |
+ Expect.equals(2.0r, a + 0.77r); |
+ Expect.equals(1.51, 1.5r + 0.01); |
+ Expect.equals(1.33r, 0.1r + a); |
+ Expect.equals(2.0r, 0.77r + a); |
+ Expect.equals(1.51, 0.01 + 1.5r); |
+ Expect.equals(2.5r, 1 + 1.5r); |
+ Expect.equals(2.5r, 1.5r + 1); |
+} |
+ |
+testSub() { |
+ var a = 1.23r; |
+ Expect.equals(1.13r, a - 0.1r); |
+ Expect.equals(1.0r, a - .23r); |
+ Expect.equals(1.1, a - 0.13); |
+ Expect.equals(.23r, a - 1); |
+ Expect.equals(-1.13r, 0.1r - a); |
+ Expect.equals(-1.13, 0.1 - a); |
+} |
+ |
+testMul() { |
+ Expect.equals(.375r, 1.5r * .25r); |
+ Expect.equals(.25r, 1 * .25r); |
+ Expect.equals(.25, 1.0 * .25r); |
+ Expect.equals(.25r, .25r * 1); |
+ Expect.equals(.25, .25r * 1.0); |
+} |
+ |
+testDiv() { |
+ Expect.equals(6.0r, 1.5r / .25r); |
+ Expect.equals(.75r, 1.5r / 2r); |
+ Expect.equals(.75, 1.5r / 2); |
+ Expect.equals(4/3r, 2/1.5r); |
+ Expect.equals(.8, 1.6r / 2); |
+} |
+ |
+testTruncDiv() { |
+ Expect.equals(6, 1.5r ~/ .25r); |
+ Expect.equals(0, 1.5r ~/ 2r); |
+ Expect.equals(0, 1.5r ~/ 2); |
+ Expect.equals(1, 2r ~/ 1.5r); |
+ Expect.equals(0, 1.6r ~/ 2); |
+} |
+ |
+testMod() { |
+ Expect.equals(0.3r, 1.8r % .5r); |
+ Expect.equals(0.3r, 1.8r % -.5r); |
+ |
+ Expect.equals(2.0r, 5 % 3.0r); |
+ Expect.equals(1.0r, -5 % 3.0r); |
+ Expect.equals(1.0r, -5 % -3.0r); |
+ Expect.equals(2.0r, 5 % -3.0r); |
+ |
+ Expect.equals(2.0r, 5.0r % 3); |
+ Expect.equals(1.0r, -5.0r % 3); |
+ Expect.equals(1.0r, -5.0r % -3); |
+ Expect.equals(2.0r, 5.0r % -3); |
+ |
+ Expect.equals(2.0, 5.0 % 3.0r); |
+ Expect.equals(1.0, -5.0 % 3.0r); |
+ Expect.equals(1.0, -5.0 % -3.0r); |
+ Expect.equals(2.0, 5.0 % -3.0r); |
+ |
+ Expect.equals(2.0, 5.0r % 3.0); |
+ Expect.equals(1.0, -5.0r % 3.0); |
+ Expect.equals(1.0, -5.0r % -3.0); |
+ Expect.equals(2.0, 5.0r % -3.0); |
+} |
+ |
+testRemainder() { |
+ Expect.equals(0.3r, (1.8r).remainder(.5r)); |
+ Expect.equals(0.3r, (1.8r).remainder(-.5r)); |
+ |
+ Expect.equals(2.0r, (5).remainder(3.0r)); |
+ Expect.equals(-2.0r, (-5).remainder(3.0r)); |
+ Expect.equals(-2.0r, (-5).remainder(-3.0r)); |
+ Expect.equals(2.0r, (5).remainder(-3.0r)); |
+ |
+ Expect.equals(2.0r, (5.0r).remainder(3)); |
+ Expect.equals(-2.0r, (-5.0r).remainder(3)); |
+ Expect.equals(-2.0r, (-5.0r).remainder(-3)); |
+ Expect.equals(2.0r, (5.0r).remainder(-3)); |
+ |
+ Expect.equals(2.0, (5.0).remainder(3.0r)); |
+ Expect.equals(-2.0, (-5.0).remainder(3.0r)); |
+ Expect.equals(-2.0, (-5.0).remainder(-3.0r)); |
+ Expect.equals(2.0, (5.0).remainder(-3.0r)); |
+ |
+ Expect.equals(2.0, (5.0r).remainder(3.0)); |
+ Expect.equals(-2.0, (-5.0r).remainder(3.0)); |
+ Expect.equals(-2.0, (-5.0r).remainder(-3.0)); |
+ Expect.equals(2.0, (5.0r).remainder(-3.0)); |
+} |
+ |
+main() { |
+ var a = 1.23r; |
+ Expect.isTrue(a is num); |
+ Expect.isFalse(a is! num); |
+ Expect.isTrue(a is fraction); |
+ Expect.isFalse(a is! fraction); |
+ Expect.isFalse(a is int); |
+ Expect.isTrue(a is! int); |
+ Expect.isFalse(a is double); |
+ Expect.isTrue(a is! double); |
+ testAdd(); |
+ testSub(); |
+ testMul(); |
+ testDiv(); |
+ testTruncDiv(); |
+ testMod(); |
+ testRemainder(); |
+ Expect.equals(1.5r, (-1.5r).abs()); |
+ Expect.equals(1.5r, (1.5r).abs()); |
+ |
+ Expect.equals(1, (1.5r).truncate()); |
+ Expect.equals(1, (1.2r).truncate()); |
+ Expect.equals(1, (1.9r).truncate()); |
+ Expect.equals(-1, (-1.5r).truncate()); |
+ Expect.equals(-1, (-1.2r).truncate()); |
+ Expect.equals(-1, (-1.9r).truncate()); |
+ Expect.equals(10000000000000000000, (10000000000000000000.1r).truncate()); |
+ Expect.equals(-10000000000000000000, (-10000000000000000000.1r).truncate()); |
+ |
+ Expect.equals(3, (2.1r).ceil()); |
+ Expect.equals(-2, (-2.1r).ceil()); |
+ Expect.equals(10000000000000000001, (10000000000000000000.1r).ceil()); |
+ Expect.equals(-10000000000000000000, (-10000000000000000000.1r).ceil()); |
+ |
+ Expect.equals(2, (2.1r).floor()); |
+ Expect.equals(-3, (-2.1r).floor()); |
+ Expect.equals(10000000000000000000, (10000000000000000000.1r).floor()); |
+ Expect.equals(10000000000000000000, (10000000000000000000.8r).floor()); |
+ Expect.equals(-10000000000000000001, (-10000000000000000000.1r).floor()); |
+ Expect.equals(-10000000000000000001, (-10000000000000000000.8r).floor()); |
+ Expect.equals(-10000000000000000000, (-10000000000000000000.0r).floor()); |
+ Expect.equals(-1, (-0.5r).floor()); |
+ Expect.equals(0, (0.5r).floor()); |
+ |
+ Expect.equals(3, (2.6r).round()); |
+ Expect.equals(2, (1.5r).round()); |
+ Expect.equals(-3, (-2.6r).round()); |
+ Expect.equals(-2, (-1.5r).round()); |
+ Expect.equals(10000000000000000000, (10000000000000000000.1r).round()); |
+ Expect.equals(10000000000000000001, (10000000000000000000.5r).round()); |
+ Expect.equals(10000000000000000001, (10000000000000000000.8r).round()); |
+ Expect.equals(-10000000000000000000, (-10000000000000000000.1r).round()); |
+ Expect.equals(-10000000000000000001, (-10000000000000000000.5r).round()); |
+ Expect.equals(-10000000000000000001, (-10000000000000000000.8r).round()); |
+ |
+ Expect.equals(0, 1r.compareTo(1r)); |
+ Expect.equals(0, 1r.compareTo(1)); |
+ Expect.equals(0, 1.compareTo(1r)); |
+ Expect.equals(-1, (-1r).compareTo(1r)); |
+ Expect.equals(-1, (-1r).compareTo(1)); |
+ Expect.equals(-1, (-1).compareTo(1r)); |
+ Expect.equals(1, 1r.compareTo(-1r)); |
+ Expect.equals(1, 1r.compareTo(-1)); |
+ Expect.equals(1, 1.compareTo(-1r)); |
+ Expect.equals(1r, 1r); |
+ Expect.equals(1r, 1.0); |
+ Expect.equals(1.0, 1r); |
+ Expect.equals(1r, 1); |
+ Expect.equals(1, 1r); |
+ |
+ // Test if double is contagious: |
+ { double d = 1r + 1.0; } |
+ { double d = 1r / 1.0; } |
+ { double d = 1r * 1.0; } |
+ { double d = 0r * 1.0; } |
+ { double d = 1.0 / 0r; } |
+ { double d = 1r - 1.0; } |
+ |
+ // isNegative. |
+ Expect.isFalse((1.5r).isNegative); |
+ Expect.isFalse((0.0r).isNegative); |
+ Expect.isTrue((-1.0r).isNegative); |
+ |
+ // isInfinite, isFinite, isNaN. |
+ Expect.isFalse((0.0r).isInfinite); |
+ Expect.isFalse((0.0r).isNaN); |
+ Expect.isTrue((0.0r).isFinite); |
+ Expect.isFalse((-1.0r).isInfinite); |
+ Expect.isFalse((-1.0r).isNaN); |
+ Expect.isTrue((-1.0r).isFinite); |
+ Expect.isFalse((1.0r).isInfinite); |
+ Expect.isFalse((1.0r).isNaN); |
+ Expect.isTrue((1.0r).isFinite); |
+ Expect.isTrue((1.0r/0.0r).isInfinite); |
+ Expect.isFalse((1.0r/0.0r).isNaN); |
+ Expect.isFalse((1.0r/0.0r).isFinite); |
+ Expect.isFalse((0.0r/0.0r).isInfinite); |
+ Expect.isTrue((0.0r/0.0r).isNaN); |
+ Expect.isFalse((0.0r/0.0r).isFinite); |
+ Expect.isTrue(fraction.INFINITY.isInfinite); |
+ Expect.isFalse(fraction.INFINITY.isNaN); |
+ Expect.isFalse(fraction.INFINITY.isFinite); |
+ Expect.isTrue(fraction.NEGATIVE_INFINITY.isInfinite); |
+ Expect.isFalse(fraction.NEGATIVE_INFINITY.isNaN); |
+ Expect.isFalse(fraction.NEGATIVE_INFINITY.isFinite); |
+ Expect.isFalse(fraction.NAN.isInfinite); |
+ Expect.isTrue(fraction.NAN.isNaN); |
+ Expect.isFalse(fraction.NAN.isFinite); |
+ |
+ // sign. |
+ Expect.equals(1r, (1.9r).sign); |
+ Expect.equals(0r, (0.0r).sign); |
+ Expect.equals(-1r, (-1.9r).sign); |
+ Expect.equals(1r, fraction.INFINITY.sign); |
+ Expect.equals(0r, fraction.NAN.sign); |
+ Expect.equals(-1r, fraction.NEGATIVE_INFINITY.sign); |
+ |
+ // toInt. |
+ Expect.equals(1, (1.9r).toInt()); |
+ Expect.equals(0, (0.0r).toInt()); |
+ Expect.equals(-1, (-1.9r).toInt()); |
+ // Test type. |
+ { int i = (1.9r).toInt(); } |
+ { int i = (0.0r).toInt(); } |
+ { int i = (-1.9r).toInt(); } |
+ |
+ // toDouble. |
+ Expect.equals(1.9, (1.9r).toDouble()); |
+ Expect.equals(0.0, (0.0r).toDouble()); |
+ Expect.equals(-1.9, (-1.9r).toDouble()); |
+ // Test type. |
+ { double d = (1.9r).toDouble(); } |
+ { double d = (0.0r).toDouble(); } |
+ { double d = (-1.9r).toDouble(); } |
+} |