diff options
Diffstat (limited to 'js/src/jit-test/tests/basic/number-isinteger.js')
| -rw-r--r-- | js/src/jit-test/tests/basic/number-isinteger.js | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/number-isinteger.js b/js/src/jit-test/tests/basic/number-isinteger.js new file mode 100644 index 000000000..750a98787 --- /dev/null +++ b/js/src/jit-test/tests/basic/number-isinteger.js @@ -0,0 +1,15 @@ +assertEq(Number.isInteger(4), true); +assertEq(Number.isInteger(4.), true); +assertEq(Number.isInteger(4.2), false); +assertEq(Number.isInteger(0.), true); +assertEq(Number.isInteger(-0.), true); +assertEq(Number.isInteger(Infinity), false); +assertEq(Number.isInteger(-Infinity), false); +assertEq(Number.isInteger(NaN), false); +assertEq(Number.isInteger(true), false); +assertEq(Number.isInteger(false), false); +assertEq(Number.isInteger({valueOf: function () { return 3; }}), false); +assertEq(Number.isInteger({valueOf: function () { return 0/0; }}), false); +assertEq(Number.isInteger({ valueOf: function() { throw 17; } }), false); +assertEq(Number.isInteger({ toString: function() { throw 17; } }), false); +assertEq(Number.isInteger({ valueOf: function() { throw 17; }, toString: function() { throw 42; } }), false); |