js/src/tests/ecma_6/Math/log1p-exact.js

branch
TOR_BUG_9701
changeset 15
b8a032363ba2
equal deleted inserted replaced
-1:000000000000 0:eca5963e6ec4
1 // Properties of Math.log1p that are guaranteed by the spec.
2
3 // If x is NaN, the result is NaN.
4 assertEq(Math.log1p(NaN), NaN);
5
6 // If x is less than -1, the result is NaN.
7 assertEq(Math.log1p(-1 - 1e-10), NaN);
8 assertEq(Math.log1p(-1 - 1e-5), NaN);
9 assertEq(Math.log1p(-1 - 1e-1), NaN);
10 assertEq(Math.log1p(-ONE_PLUS_EPSILON), NaN);
11
12 for (var i = -2; i > -20; i--)
13 assertEq(Math.log1p(i), NaN);
14
15 // If x is -1, the result is -∞.
16 assertEq(Math.log1p(-1), -Infinity);
17
18 // If x is +0, the result is +0.
19 assertEq(Math.log1p(+0), +0);
20
21 // If x is −0, the result is −0.
22 assertEq(Math.log1p(-0), -0);
23
24 // If x is +∞, the result is +∞.
25 assertEq(Math.log1p(Infinity), Infinity);
26
27
28 reportCompare(0, 0, "ok");
29

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