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Unified Diff: tests/language/src/ArithmeticTest.dart

Issue 10248007: test rename overhaul: step 8 - language tests (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 8 months ago
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Index: tests/language/src/ArithmeticTest.dart
diff --git a/tests/language/src/ArithmeticTest.dart b/tests/language/src/ArithmeticTest.dart
deleted file mode 100644
index 12cc9912ea7319a4805417f36fd330b917a1e62e..0000000000000000000000000000000000000000
--- a/tests/language/src/ArithmeticTest.dart
+++ /dev/null
@@ -1,417 +0,0 @@
-// Copyright (c) 2011, 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.
-// Dart test program to test arithmetic operations.
-
-class ArithmeticTest {
-
- static bool exceptionCaughtParseInt(String s) {
- try {
- Math.parseInt(s);
- return false;
- } catch (BadNumberFormatException e) {
- return true;
- }
- }
-
- static bool exceptionCaughtParseDouble(String s) {
- try {
- Math.parseDouble(s);
- return false;
- } catch (BadNumberFormatException e) {
- return true;
- }
- }
-
- static bool toIntThrowsBadNumberFormatException(String str) {
- // No exception allowed for parse double.
- double d = Math.parseDouble(str);
- try {
- var a = d.toInt();
- return false;
- } catch (BadNumberFormatException e) {
- return true;
- }
- }
-
- static runOne() {
- var a = 22;
- var b = 4;
- // Smi & smi.
- Expect.equals(26, a + b);
- Expect.equals(18, a - b);
- Expect.equals(88, a * b);
- Expect.equals(5, a ~/ b);
- Expect.equals(5.5, a / b);
- Expect.equals(2.0, 10 / 5);
- Expect.equals(2, a % b);
- Expect.equals(2, a.remainder(b));
- // Smi corner cases.
- for (int i = 0; i < 80; i++) {
- a = -(1 << i);
- b = -1;
- Expect.equals(1 << i, a ~/ b);
- }
- a = 22;
- b = 4.0;
- // Smi & double.
- Expect.equals(26.0, a + b);
- Expect.equals(18.0, a - b);
- Expect.equals(88.0, a * b);
- Expect.equals(5.0, a ~/ b);
- Expect.equals(5.5, a / b);
- Expect.equals(2.0, a % b);
- Expect.equals(2.0, a.remainder(b));
- a = 22.0;
- b = 4;
- // Double & smi.
- Expect.equals(26.0, a + b);
- Expect.equals(18.0, a - b);
- Expect.equals(88.0, a * b);
- Expect.equals(5.0, a ~/ b);
- Expect.equals(5.5, a / b);
- Expect.equals(2.0, a % b);
- Expect.equals(2.0, a.remainder(b));
- a = 22.0;
- b = 4.0;
- // Double & double.
- Expect.equals(26.0, a + b);
- Expect.equals(18.0, a - b);
- Expect.equals(88.0, a * b);
- Expect.equals(5.0, a ~/ b);
- Expect.equals(5.5, a / b);
- Expect.equals(2.0, a % b);
- Expect.equals(2.0, a.remainder(b));
-
- // Special int operations.
- Expect.equals(2, (2).floor());
- Expect.equals(2, (2).ceil());
- Expect.equals(2, (2).round());
- Expect.equals(2, (2).truncate());
-
- Expect.equals(-2, (-2).floor());
- Expect.equals(-2, (-2).ceil());
- Expect.equals(-2, (-2).round());
- Expect.equals(-2, (-2).truncate());
-
- // Note that this number fits into 53 bits of a double.
- int big = 123456789012345;
-
- Expect.equals(big, big.floor());
- Expect.equals(big, big.ceil());
- Expect.equals(big, big.round());
- Expect.equals(big, big.truncate());
- big = -big;
- Expect.equals(big, big.floor());
- Expect.equals(big, big.ceil());
- Expect.equals(big, big.round());
- Expect.equals(big, big.truncate());
-
- // Test if double is contagious. The assignment will check the type.
- { double d = 1 + 1.0; }
- { double d = 1.0 + 1; }
- { double d = 1 * 1.0; }
- { double d = 0 * 1.0; }
- { double d = 1.0 * 0; }
- { double d = 1 / 1.0; }
- { double d = 1.0 / 0; }
- { double d = 1 - 1.0; }
- { double d = 1.0 - 1; }
- { double d = big * 1.0; }
- { double d = 1.0 * big; }
-
- // Reset big to positive value.
- big = 123456789012345;
- // -- isNegative --.
- // Smi.
- Expect.equals(false, (0).isNegative());
- Expect.equals(false, (1).isNegative());
- Expect.equals(true, (-1).isNegative());
- // Big.
- Expect.equals(false, big.isNegative());
- Expect.equals(true, (-big).isNegative());
- // Double.
- // TODO(srdjan): enable the following test once isNegative works.
- // Expect.equals(true, (-0.0).isNegative());
- Expect.equals(false, (0.0).isNegative());
- Expect.equals(false, (2.0).isNegative());
- Expect.equals(true, (-2.0).isNegative());
-
- double negateDouble(double x) {
- return -x;
- }
-
- Expect.isTrue(negateDouble(0.0).isNegative());
- Expect.isFalse(negateDouble(-0.0).isNegative());
- Expect.isTrue(negateDouble(3.5e3).isNegative());
- Expect.isFalse(negateDouble(-3.5e3).isNegative());
-
-
- // Constants.
- final nan = 0.0/0.0;
- final infinity = 1.0/0.0;
-
- // -- isInfinite --.
- // Smi.
- Expect.equals(false, (0).isInfinite());
- Expect.equals(false, (1).isInfinite());
- Expect.equals(false, (-1).isInfinite());
- // Big.
- Expect.equals(false, big.isInfinite());
- Expect.equals(false, (-big).isInfinite());
- // Double.
- Expect.equals(false, (0.0).isInfinite());
- Expect.equals(true, infinity.isInfinite());
- Expect.equals(true, (-infinity).isInfinite());
- Expect.equals(false, (12.0).isInfinite());
- Expect.equals(false, (-12.0).isInfinite());
- Expect.equals(false, nan.isInfinite());
-
- // -- isNaN --.
- // Smi.
- Expect.equals(false, (0).isNaN());
- Expect.equals(false, (1).isNaN());
- Expect.equals(false, (-1).isNaN());
- // Big.
- Expect.equals(false, big.isNaN());
- Expect.equals(false, (-big).isNaN());
- // Double.
- Expect.equals(true, nan.isNaN());
- Expect.equals(false, (12.0).isNaN());
- Expect.equals(false, infinity.isNaN());
-
- // -- abs --.
- // Smi.
- Expect.equals(0, (0).abs());
- Expect.equals(2, (2).abs());
- Expect.equals(2, (-2).abs());
- // Big.
- Expect.equals(big, big.abs());
- Expect.equals(big, (-big).abs());
- // Double.
- Expect.equals(false, (0.0).abs().isNegative());
- Expect.equals(false, (-0.0).abs().isNegative());
- Expect.equals(2.0, (2.0).abs());
- Expect.equals(2.0, (-2.0).abs());
-
- // -- ceil --.
- // Smi.
- Expect.equals(0, (0).ceil());
- Expect.equals(1, (1).ceil());
- Expect.equals(-1, (-1).ceil());
- // Big.
- Expect.equals(big, big.ceil());
- Expect.equals(-big, (-big).ceil());
- // Double.
- Expect.equals(0.0, (0.0).ceil());
- Expect.equals(false, (0.0).ceil().isNegative());
- Expect.equals(1.0, (0.1).ceil());
- Expect.equals(-0.0, (-0.0).ceil());
- Expect.equals(-0.0, (-0.3).ceil());
- // TODO(srdjan): enable the following tests once isNegative works.
- // Expect.equals(true, (-0.0).ceil().isNegative());
- // Expect.equals(true, (-0.3).ceil().isNegative());
- Expect.equals(3.0, (2.1).ceil());
- Expect.equals(-2.0, (-2.1).ceil());
-
- // -- floor --.
- // Smi.
- Expect.equals(0, (0).floor());
- Expect.equals(1, (1).floor());
- Expect.equals(-1, (-1).floor());
- // Big.
- Expect.equals(big, big.floor());
- Expect.equals(-big, (-big).floor());
- // Double.
- Expect.equals(0.0, (0.0).floor());
- Expect.equals(0.0, (0.1).floor());
- Expect.equals(false, (0.0).floor().isNegative());
- Expect.equals(false, (0.1).floor().isNegative());
- Expect.equals(-0.0, (-0.0).floor());
- // TODO(srdjan): enable the following tests once isNegative works.
- // Expect.equals(true, (-0.0).floor().isNegative());
- Expect.equals(-1.0, (-0.1).floor());
- Expect.equals(2.0, (2.1).floor());
- Expect.equals(-3.0, (-2.1).floor());
-
- // -- truncate --.
- // Smi.
- Expect.equals(0, (0).truncate());
- Expect.equals(1, (1).truncate());
- Expect.equals(-1, (-1).truncate());
- // Big.
- Expect.equals(big, big.truncate());
- Expect.equals(-big, (-big).truncate());
- // Double.
- Expect.equals(0.0, (0.0).truncate());
- Expect.equals(0.0, (0.1).truncate());
- Expect.equals(false, (0.0).truncate().isNegative());
- Expect.equals(false, (0.1).truncate().isNegative());
- Expect.equals(-0.0, (-0.0).truncate());
- Expect.equals(-0.0, (-0.3).truncate());
- // TODO(srdjan): enable the following tests once isNegative works.
- // Expect.equals(true, (-0.0).truncate().isNegative());
- // Expect.equals(true, (-0.3).truncate().isNegative());
- Expect.equals(2.0, (2.1).truncate());
- Expect.equals(-2.0, (-2.1).truncate());
-
- double b1 = (1234567890123.0).truncate();
- double b2 = (1234567890124.0).truncate();
- Expect.equals(b2, b1 + 1.0);
-
- // -- round --.
- // Smi.
- Expect.equals(0, (0).round());
- Expect.equals(1, (1).round());
- Expect.equals(-1, (-1).round());
- // Big.
- Expect.equals(big, big.round());
- Expect.equals(-big, (-big).round());
- // Double.
- Expect.equals(3.0, (2.6).round());
- Expect.equals(-3.0, (-2.6).round());
- Expect.equals(0.0, (0.0).round());
- Expect.equals(0.0, (0.1).round());
- Expect.equals(false, (0.0).round().isNegative());
- Expect.equals(false, (0.1).round().isNegative());
- Expect.equals(-0.0, (-0.0).round());
- Expect.equals(-0.0, (-0.3).round());
- Expect.equals(2.0, (2.1).round());
- Expect.equals(-2.0, (-2.1).round());
- Expect.equals(1.0, (0.5).round());
- // TODO(floitsch): enable or adapt test, once we reached conclusion on
- // b/4539188.
- // Expect.equals(-0.0, (-0.5).round());
- // TODO(srdjan): enable the following tests once isNegative works.
- // Expect.equals(true, (-0.0).round().isNegative());
- // Expect.equals(true, (-0.3).round().isNegative());
- // Expect.equals(true, (-0.5).round().isNegative());
- Expect.equals(2.0, (1.5).round());
- // TODO(floitsch): enable or adapt test, once we reached conclusion on
- // b/4539188.
- // Expect.equals(-1.0, (-1.5).round());
- Expect.equals(1.0, (0.99).round());
-
- // -- toInt --.
- // Smi.
- Expect.equals(0, (0).toInt());
- Expect.equals(1, (1).toInt());
- Expect.equals(-1, (-1).toInt());
- // Type checks.
- { int i = (0).toInt(); }
- { int i = (1).toInt(); }
- { int i = (-1).toInt(); }
- // Big.
- Expect.equals(big, big.toInt());
- Expect.equals(-big, (-big).toInt());
- { int i = big.toInt(); }
- { int i = (-big).toInt(); }
- // Double.
- Expect.equals(1234567890123, (1234567890123.0).toInt());
- Expect.equals(-1234567890123, (-1234567890123.0).toInt());
- { int i = (1234567890123.0).toInt(); }
- { int i = (-1234567890123.0).toInt(); }
- // 32bit Smi border cases.
- Expect.equals(-1073741824, (-1073741824.0).toInt());
- Expect.equals(-1073741825, (-1073741825.0).toInt());
- Expect.equals(1073741823, (1073741823.0).toInt());
- Expect.equals(1073741824, (1073741824.0).toInt());
- { int i = (-1073741824.0).toInt(); }
- { int i = (-1073741825.0).toInt(); }
- { int i = (1073741823.0).toInt(); }
- { int i = (1073741824.0).toInt(); }
-
- // -- toDouble --.
- // Smi.
- Expect.equals(0.0, (0).toDouble());
- Expect.equals(1.0, (1).toDouble());
- Expect.equals(-1.0, (-1).toDouble());
- // Type checks.
- { double d = (0).toDouble(); }
- { double d = (1).toDouble(); }
- { double d = (-1).toDouble(); }
- // Big.
- Expect.equals(big, big.toInt());
- Expect.equals(-big, (-big).toInt());
- { int i = big.toInt(); }
- { int i = (-big).toInt(); }
-
- // Math functions.
- Expect.equals(2.0, Math.sqrt(4.0));
- Expect.approxEquals(1.0, Math.sin(3.14159265 / 2.0));
- Expect.approxEquals(-1.0, Math.cos(3.14159265));
-
- Expect.equals(12, Math.parseInt("12"));
- Expect.equals(-12, Math.parseInt("-12"));
- Expect.equals(12345678901234567890,
- Math.parseInt("12345678901234567890"));
- Expect.equals(-12345678901234567890,
- Math.parseInt("-12345678901234567890"));
- // Type checks.
- { int i = Math.parseInt("12"); }
- { int i = Math.parseInt("-12"); }
- { int i = Math.parseInt("12345678901234567890"); }
- { int i = Math.parseInt("-12345678901234567890"); }
-
- Expect.equals(1.2, Math.parseDouble("1.2"));
- Expect.equals(-1.2, Math.parseDouble("-1.2"));
- // Type checks.
- { double d = Math.parseDouble("1.2"); }
- { double d = Math.parseDouble("-1.2"); }
- { double d = Math.parseDouble("0"); }
-
- // Random
- { double d = Math.random(); }
-
- Expect.equals(false, exceptionCaughtParseInt("22"));
- Expect.equals(true, exceptionCaughtParseInt("alpha"));
- Expect.equals(true, exceptionCaughtParseInt("-alpha"));
- Expect.equals(false, exceptionCaughtParseDouble("22.2"));
- Expect.equals(true, exceptionCaughtParseDouble("alpha"));
- Expect.equals(true, exceptionCaughtParseDouble("-alpha"));
-
- Expect.equals(false, Math.parseDouble("1.2").isNaN());
- Expect.equals(false, Math.parseDouble("1.2").isInfinite());
-
- Expect.equals(true, Math.parseDouble("NaN").isNaN());
- Expect.equals(true, Math.parseDouble("Infinity").isInfinite());
- Expect.equals(true, Math.parseDouble("-Infinity").isInfinite());
-
- Expect.equals(false, Math.parseDouble("NaN").isNegative());
- Expect.equals(false, Math.parseDouble("Infinity").isNegative());
- Expect.equals(true, Math.parseDouble("-Infinity").isNegative());
-
- Expect.equals("NaN", Math.parseDouble("NaN").toString());
- Expect.equals("Infinity", Math.parseDouble("Infinity").toString());
- Expect.equals("-Infinity", Math.parseDouble("-Infinity").toString());
-
- Expect.equals(false, toIntThrowsBadNumberFormatException("1.2"));
- Expect.equals(true, toIntThrowsBadNumberFormatException("Infinity"));
- Expect.equals(true, toIntThrowsBadNumberFormatException("-Infinity"));
- Expect.equals(true, toIntThrowsBadNumberFormatException("NaN"));
-
- // Min/max
- Expect.equals(1, Math.min(1, 12));
- Expect.equals(12, Math.max(1, 12));
- Expect.equals(1.0, Math.min(1.0, 12.0));
- Expect.equals(12.0, Math.max(1.0, 12.0));
- Expect.equals(false, 1.0 < Math.min(1.0, 12.0));
- Expect.equals(true, 1.0 < Math.max(1.0, 12.0));
-
- // Hashcode
- Expect.equals(false, (3.4).hashCode() == (1.2).hashCode());
- Expect.equals(true, (1.2).hashCode() == (1.2).hashCode());
- Expect.equals(false, (3).hashCode() == (1).hashCode());
- Expect.equals(true, (10).hashCode() == (10).hashCode());
- }
-
- static testMain() {
- for (int i = 0; i < 1500; i++) {
- runOne();
- }
- }
-}
-
-main() {
- ArithmeticTest.testMain();
-}
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