diff options
Diffstat (limited to 'deps/v8/test/mjsunit/math-floor.js')
| -rw-r--r-- | deps/v8/test/mjsunit/math-floor.js | 143 |
1 files changed, 78 insertions, 65 deletions
diff --git a/deps/v8/test/mjsunit/math-floor.js b/deps/v8/test/mjsunit/math-floor.js index 0d1c0ac59f..11f4cd789c 100644 --- a/deps/v8/test/mjsunit/math-floor.js +++ b/deps/v8/test/mjsunit/math-floor.js @@ -1,4 +1,4 @@ -// Copyright 2010 the V8 project authors. All rights reserved. +// Copyright 2011 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: @@ -25,7 +25,18 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// Flags: --max-new-space-size=256 +// Flags: --max-new-space-size=256 --allow-natives-syntax + +function testFloor(expect, input) { + function test(n) { + return Math.floor(n); + } + assertEquals(expect, test(input)); + assertEquals(expect, test(input)); + assertEquals(expect, test(input)); + %OptimizeFunctionOnNextCall(test); + assertEquals(expect, test(input)); +} function zero() { var x = 0.5; @@ -33,82 +44,84 @@ function zero() { } function test() { - assertEquals(0, Math.floor(0)); - assertEquals(0, Math.floor(zero())); - assertEquals(1/-0, 1/Math.floor(-0)); // 0 == -0, so we use reciprocals. - assertEquals(Infinity, Math.floor(Infinity)); - assertEquals(-Infinity, Math.floor(-Infinity)); - assertNaN(Math.floor(NaN)); - - assertEquals(0, Math.floor(0.1)); - assertEquals(0, Math.floor(0.5)); - assertEquals(0, Math.floor(0.7)); - assertEquals(-1, Math.floor(-0.1)); - assertEquals(-1, Math.floor(-0.5)); - assertEquals(-1, Math.floor(-0.7)); - assertEquals(1, Math.floor(1)); - assertEquals(1, Math.floor(1.1)); - assertEquals(1, Math.floor(1.5)); - assertEquals(1, Math.floor(1.7)); - assertEquals(-1, Math.floor(-1)); - assertEquals(-2, Math.floor(-1.1)); - assertEquals(-2, Math.floor(-1.5)); - assertEquals(-2, Math.floor(-1.7)); - - assertEquals(0, Math.floor(Number.MIN_VALUE)); - assertEquals(-1, Math.floor(-Number.MIN_VALUE)); - assertEquals(Number.MAX_VALUE, Math.floor(Number.MAX_VALUE)); - assertEquals(-Number.MAX_VALUE, Math.floor(-Number.MAX_VALUE)); - assertEquals(Infinity, Math.floor(Infinity)); - assertEquals(-Infinity, Math.floor(-Infinity)); + testFloor(0, 0); + testFloor(0, zero()); + testFloor(-0, -0); + testFloor(Infinity, Infinity); + testFloor(-Infinity, -Infinity); + testFloor(NaN, NaN); + + testFloor(0, 0.1); + testFloor(0, 0.49999999999999994); + testFloor(0, 0.5); + testFloor(0, 0.7); + testFloor(-1, -0.1); + testFloor(-1, -0.49999999999999994); + testFloor(-1, -0.5); + testFloor(-1, -0.7); + testFloor(1, 1); + testFloor(1, 1.1); + testFloor(1, 1.5); + testFloor(1, 1.7); + testFloor(-1, -1); + testFloor(-2, -1.1); + testFloor(-2, -1.5); + testFloor(-2, -1.7); + + testFloor(0, Number.MIN_VALUE); + testFloor(-1, -Number.MIN_VALUE); + testFloor(Number.MAX_VALUE, Number.MAX_VALUE); + testFloor(-Number.MAX_VALUE, -Number.MAX_VALUE); + testFloor(Infinity, Infinity); + testFloor(-Infinity, -Infinity); // 2^30 is a smi boundary. var two_30 = 1 << 30; - assertEquals(two_30, Math.floor(two_30)); - assertEquals(two_30, Math.floor(two_30 + 0.1)); - assertEquals(two_30, Math.floor(two_30 + 0.5)); - assertEquals(two_30, Math.floor(two_30 + 0.7)); + testFloor(two_30, two_30); + testFloor(two_30, two_30 + 0.1); + testFloor(two_30, two_30 + 0.5); + testFloor(two_30, two_30 + 0.7); - assertEquals(two_30 - 1, Math.floor(two_30 - 1)); - assertEquals(two_30 - 1, Math.floor(two_30 - 1 + 0.1)); - assertEquals(two_30 - 1, Math.floor(two_30 - 1 + 0.5)); - assertEquals(two_30 - 1, Math.floor(two_30 - 1 + 0.7)); + testFloor(two_30 - 1, two_30 - 1); + testFloor(two_30 - 1, two_30 - 1 + 0.1); + testFloor(two_30 - 1, two_30 - 1 + 0.5); + testFloor(two_30 - 1, two_30 - 1 + 0.7); - assertEquals(-two_30, Math.floor(-two_30)); - assertEquals(-two_30, Math.floor(-two_30 + 0.1)); - assertEquals(-two_30, Math.floor(-two_30 + 0.5)); - assertEquals(-two_30, Math.floor(-two_30 + 0.7)); + testFloor(-two_30, -two_30); + testFloor(-two_30, -two_30 + 0.1); + testFloor(-two_30, -two_30 + 0.5); + testFloor(-two_30, -two_30 + 0.7); - assertEquals(-two_30 + 1, Math.floor(-two_30 + 1)); - assertEquals(-two_30 + 1, Math.floor(-two_30 + 1 + 0.1)); - assertEquals(-two_30 + 1, Math.floor(-two_30 + 1 + 0.5)); - assertEquals(-two_30 + 1, Math.floor(-two_30 + 1 + 0.7)); + testFloor(-two_30 + 1, -two_30 + 1); + testFloor(-two_30 + 1, -two_30 + 1 + 0.1); + testFloor(-two_30 + 1, -two_30 + 1 + 0.5); + testFloor(-two_30 + 1, -two_30 + 1 + 0.7); // 2^52 is a precision boundary. var two_52 = (1 << 30) * (1 << 22); - assertEquals(two_52, Math.floor(two_52)); - assertEquals(two_52, Math.floor(two_52 + 0.1)); + testFloor(two_52, two_52); + testFloor(two_52, two_52 + 0.1); assertEquals(two_52, two_52 + 0.5); - assertEquals(two_52, Math.floor(two_52 + 0.5)); + testFloor(two_52, two_52 + 0.5); assertEquals(two_52 + 1, two_52 + 0.7); - assertEquals(two_52 + 1, Math.floor(two_52 + 0.7)); - - assertEquals(two_52 - 1, Math.floor(two_52 - 1)); - assertEquals(two_52 - 1, Math.floor(two_52 - 1 + 0.1)); - assertEquals(two_52 - 1, Math.floor(two_52 - 1 + 0.5)); - assertEquals(two_52 - 1, Math.floor(two_52 - 1 + 0.7)); - - assertEquals(-two_52, Math.floor(-two_52)); - assertEquals(-two_52, Math.floor(-two_52 + 0.1)); - assertEquals(-two_52, Math.floor(-two_52 + 0.5)); - assertEquals(-two_52, Math.floor(-two_52 + 0.7)); - - assertEquals(-two_52 + 1, Math.floor(-two_52 + 1)); - assertEquals(-two_52 + 1, Math.floor(-two_52 + 1 + 0.1)); - assertEquals(-two_52 + 1, Math.floor(-two_52 + 1 + 0.5)); - assertEquals(-two_52 + 1, Math.floor(-two_52 + 1 + 0.7)); + testFloor(two_52 + 1, two_52 + 0.7); + + testFloor(two_52 - 1, two_52 - 1); + testFloor(two_52 - 1, two_52 - 1 + 0.1); + testFloor(two_52 - 1, two_52 - 1 + 0.5); + testFloor(two_52 - 1, two_52 - 1 + 0.7); + + testFloor(-two_52, -two_52); + testFloor(-two_52, -two_52 + 0.1); + testFloor(-two_52, -two_52 + 0.5); + testFloor(-two_52, -two_52 + 0.7); + + testFloor(-two_52 + 1, -two_52 + 1); + testFloor(-two_52 + 1, -two_52 + 1 + 0.1); + testFloor(-two_52 + 1, -two_52 + 1 + 0.5); + testFloor(-two_52 + 1, -two_52 + 1 + 0.7); } |