The Tor Browser / file comparison
comparison: js/src/tests/ecma_6/Math/trunc.js
js/src/tests/ecma_6/Math/trunc.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
inserted
replaced
| -1:000000000000 | 0:487249f11fdc |
|---|---|
| 1 // If x is NaN, the result is NaN. | |
| 2 assertEq(Math.trunc(NaN), NaN); | |
| 3 | |
| 4 // If x is −0, the result is −0. | |
| 5 assertEq(Math.trunc(-0), -0); | |
| 6 | |
| 7 // If x is +0, the result is +0. | |
| 8 assertEq(Math.trunc(+0), +0); | |
| 9 | |
| 10 // If x is +∞, the result is +∞. | |
| 11 assertEq(Math.trunc(Infinity), Infinity); | |
| 12 | |
| 13 // If x is −∞, the result is −∞. | |
| 14 assertEq(Math.trunc(-Infinity), -Infinity); | |
| 15 | |
| 16 // Other boundary cases. | |
| 17 var MAX_NONINTEGER_VALUE = 4503599627370495.5; | |
| 18 var TRUNC_MAX_NONINTEGER_VALUE = 4503599627370495; | |
| 19 | |
| 20 assertEq(Math.trunc(Number.MIN_VALUE), +0); | |
| 21 assertEq(Math.trunc(ONE_MINUS_EPSILON), +0); | |
| 22 assertEq(Math.trunc(ONE_PLUS_EPSILON), 1); | |
| 23 assertEq(Math.trunc(MAX_NONINTEGER_VALUE), TRUNC_MAX_NONINTEGER_VALUE); | |
| 24 assertEq(Math.trunc(Number.MAX_VALUE), Number.MAX_VALUE); | |
| 25 | |
| 26 assertEq(Math.trunc(-Number.MIN_VALUE), -0); | |
| 27 assertEq(Math.trunc(-ONE_MINUS_EPSILON), -0); | |
| 28 assertEq(Math.trunc(-ONE_PLUS_EPSILON), -1); | |
| 29 assertEq(Math.trunc(-MAX_NONINTEGER_VALUE), -TRUNC_MAX_NONINTEGER_VALUE); | |
| 30 assertEq(Math.trunc(-Number.MAX_VALUE), -Number.MAX_VALUE); | |
| 31 | |
| 32 // Other cases. | |
| 33 for (var i = 1, f = 1.1; i < 20; i++, f += 1.0) | |
| 34 assertEq(Math.trunc(f), i); | |
| 35 | |
| 36 for (var i = -1, f = -1.1; i > -20; i--, f -= 1.0) | |
| 37 assertEq(Math.trunc(f), i); | |
| 38 | |
| 39 assertEq(Math.trunc(1e40 + 0.5), 1e40); | |
| 40 | |
| 41 assertEq(Math.trunc(1e300), 1e300); | |
| 42 assertEq(Math.trunc(-1e300), -1e300); | |
| 43 assertEq(Math.trunc(1e-300), 0); | |
| 44 assertEq(Math.trunc(-1e-300), -0); | |
| 45 | |
| 46 assertEq(Math.trunc(+0.9999), +0); | |
| 47 assertEq(Math.trunc(-0.9999), -0); | |
| 48 | |
| 49 | |
| 50 reportCompare(0, 0, "ok"); |
