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Unified Diff: tests/language/arithmetic_test.dart

Issue 2984443003: Migrate the language tests up to arithmetic_test. (Closed)
Patch Set: generic_methods_generic_function_result_test isn't working on DDC yet. Created 3 years, 5 months ago
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Index: tests/language/arithmetic_test.dart
diff --git a/tests/language/arithmetic_test.dart b/tests/language/arithmetic_test.dart
deleted file mode 100644
index 79db606ad91afb15c4a84c8cd23ed31c687e226f..0000000000000000000000000000000000000000
--- a/tests/language/arithmetic_test.dart
+++ /dev/null
@@ -1,558 +0,0 @@
-// Copyright (c) 2012, 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.
-// VMOptions=--optimization-counter-threshold=10 --no-use-osr --no-background-compilation
-
-library arithmetic_test;
-
-import "package:expect/expect.dart";
-import 'dart:math';
-
-class ArithmeticTest {
- static bool exceptionCaughtParseInt(String s) {
- try {
- int.parse(s);
- return false;
- } on FormatException catch (e) {
- return true;
- }
- }
-
- static bool exceptionCaughtParseDouble(String s) {
- try {
- double.parse(s);
- return false;
- } on FormatException catch (e) {
- return true;
- }
- }
-
- static bool toIntThrowsUnsupportedError(String str) {
- // No exception allowed for parse double.
- double d = double.parse(str);
- try {
- var a = d.toInt();
- return false;
- } on UnsupportedError catch (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, 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, 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, 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).ceil());
- Expect.equals(false, (0.0).ceil().isNegative);
- Expect.equals(1, (0.1).ceil());
- Expect.equals(1, double.MIN_POSITIVE.ceil());
- Expect.equals(1, (0.49999999999999994).ceil());
- Expect.equals(0, (-0.0).ceil());
- Expect.equals(0, (-0.3).ceil());
- Expect.isTrue((-0.0).ceil() is int);
- Expect.isTrue((-0.3).ceil() is int);
- Expect.equals(0, (-0.49999999999999994).ceil());
- Expect.equals(3, (2.1).ceil());
- Expect.equals(-2, (-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).floor());
- Expect.equals(0, (0.1).floor());
- Expect.equals(0, (0.49999999999999994).floor());
- Expect.equals(0, double.MIN_POSITIVE.floor());
- Expect.isTrue((0.0).floor() is int);
- Expect.isTrue((0.1).floor() is int);
- Expect.equals(0, (-0.0).floor());
- Expect.isTrue((-0.0).floor() is int);
- Expect.equals(-1, (-0.1).floor());
- Expect.equals(2, (2.1).floor());
- Expect.equals(-3, (-2.1).floor());
- Expect.equals(-1.0, (-0.49999999999999994).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).truncate());
- Expect.equals(0, (0.1).truncate());
- Expect.isTrue((0.0).truncate() is int);
- Expect.isTrue((0.1).truncate() is int);
- Expect.equals(0, (-0.0).truncate());
- Expect.equals(0, (-0.3).truncate());
- Expect.isTrue((-0.0).truncate() is int);
- Expect.isTrue((-0.3).truncate() is int);
- Expect.equals(2, (2.1).truncate());
- Expect.equals(-2, (-2.1).truncate());
-
- int b1 = (1234567890123.0).truncate();
- int 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, (2.6).round());
- Expect.equals(-3, (-2.6).round());
- Expect.equals(0, (0.0).round());
- Expect.equals(0, (0.1).round());
- Expect.equals(3, (2.5).round());
- Expect.equals(-3, (-2.5).round());
- Expect.isFalse((0.0).round().isNegative);
- Expect.isFalse((0.1).round().isNegative);
- Expect.equals(0, (-0.0).round());
- Expect.equals(0, (-0.3).round());
- Expect.equals(2, (2.1).round());
- Expect.equals(-2, (-2.1).round());
- Expect.equals(1, (0.5).round());
- Expect.equals(-1, (-0.5).round());
- Expect.isTrue((-0.0).round() is int);
- Expect.isTrue((-0.3).round() is int);
- Expect.isTrue((-0.5).round() is int);
- Expect.equals(2, (1.5).round());
- Expect.equals(-2, (-1.5).round());
- Expect.equals(1, (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, sqrt(4.0));
- Expect.approxEquals(1.0, sin(3.14159265 / 2.0));
- Expect.approxEquals(-1.0, cos(3.14159265));
-
- Expect.equals(12, int.parse("12"));
- Expect.equals(-12, int.parse("-12"));
- Expect.equals(12345678901234567890, int.parse("12345678901234567890"));
- Expect.equals(-12345678901234567890, int.parse("-12345678901234567890"));
- // Type checks.
- {
- int i = int.parse("12");
- }
- {
- int i = int.parse("-12");
- }
- {
- int i = int.parse("12345678901234567890");
- }
- {
- int i = int.parse("-12345678901234567890");
- }
-
- Expect.equals(1.2, double.parse("1.2"));
- Expect.equals(-1.2, double.parse("-1.2"));
- // Type checks.
- {
- double d = double.parse("1.2");
- }
- {
- double d = double.parse("-1.2");
- }
- {
- double d = double.parse("0");
- }
-
- // Random
- {
- Random rand = new Random();
- double d = rand.nextDouble();
- }
-
- 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, double.parse("1.2").isNaN);
- Expect.equals(false, double.parse("1.2").isInfinite);
-
- Expect.equals(true, double.parse("NaN").isNaN);
- Expect.equals(true, double.parse("Infinity").isInfinite);
- Expect.equals(true, double.parse("-Infinity").isInfinite);
-
- Expect.equals(false, double.parse("NaN").isNegative);
- Expect.equals(false, double.parse("Infinity").isNegative);
- Expect.equals(true, double.parse("-Infinity").isNegative);
-
- Expect.equals("NaN", double.parse("NaN").toString());
- Expect.equals("Infinity", double.parse("Infinity").toString());
- Expect.equals("-Infinity", double.parse("-Infinity").toString());
-
- Expect.equals(false, toIntThrowsUnsupportedError("1.2"));
- Expect.equals(true, toIntThrowsUnsupportedError("Infinity"));
- Expect.equals(true, toIntThrowsUnsupportedError("-Infinity"));
- Expect.equals(true, toIntThrowsUnsupportedError("NaN"));
-
- // Min/max
- Expect.equals(1, min(1, 12));
- Expect.equals(12, max(1, 12));
- Expect.equals(1.0, min(1.0, 12.0));
- Expect.equals(12.0, max(1.0, 12.0));
- Expect.equals(false, 1.0 < min(1.0, 12.0));
- Expect.equals(true, 1.0 < 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 int div(a, b) => a ~/ b;
-
- static void testSmiDivDeopt() {
- var a = -0x40000000;
- var b = -1;
- for (var i = 0; i < 10; i++) Expect.equals(0x40000000, div(a, b));
- }
-
- static int divMod(a, b) => a ~/ b + a % b;
-
- static void testSmiDivModDeopt() {
- var a = -0x40000000;
- var b = -1;
- for (var i = 0; i < 10; i++) Expect.equals(0x40000000, divMod(a, b));
- }
-
- static double sinCosSub(double a) => sin(a) - cos(a);
-
- static double sinCosAddCos(double a) => sin(a) * cos(a) + cos(a);
-
- static void testSinCos() {
- var e = sin(1.234) - cos(1.234);
- var f = sin(1.234) * cos(1.234) + cos(1.234);
-
- for (var i = 0; i < 20; i++) {
- Expect.approxEquals(e, sinCosSub(1.234));
- Expect.approxEquals(f, sinCosAddCos(1.234));
- }
- Expect.approxEquals(1.0, sinCosSub(3.14159265));
- Expect.approxEquals(1.0, sinCosSub(3.14159265 / 2.0));
- }
-
- // Test fix for issue 16592.
- static void testSinCosNoUse() {
- for (var i = 0; i < 20; i++) {
- sin(i);
- cos(i);
- }
- }
-
- static mySqrt(var x) => sqrt(x);
-
- static testSqrtDeopt() {
- for (var i = 0; i < 10; i++) mySqrt(4.0);
- Expect.equals(2.0, mySqrt(4.0));
- Expect.throws(() => mySqrt("abc"));
- }
-
- static self_equality(x) {
- return x == x;
- }
-
- static testDoubleEquality() {
- Expect.isFalse(self_equality(double.NAN));
- for (int i = 0; i < 20; i++) {
- self_equality(3.0);
- }
- Expect.isFalse(self_equality(double.NAN));
- }
-
- static testMain() {
- for (int i = 0; i < 20; i++) {
- runOne();
- testSmiDivDeopt();
- testSmiDivModDeopt();
- testSqrtDeopt();
- testDoubleEquality();
- testSinCos();
- testSinCosNoUse();
- }
- }
-}
-
-main() {
- ArithmeticTest.testMain();
-}
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