gecko-dev/dom/imptests/html/js/builtins/Math.maxmin.js

58 lines
1.5 KiB
JavaScript

function testMathMaxMin(aFun) {
var test_error = { name: "test" };
test(function() {
assert_throws(test_error, function() {
Math[aFun](NaN, {
valueOf: function() {
throw test_error;
}
});
});
}, "ToNumber should be called on all arguments: NaN.");
test(function() {
assert_throws(test_error, function() {
Math[aFun](-Infinity, {
valueOf: function() {
throw test_error;
}
});
});
}, "ToNumber should be called on all arguments: -Infinity.");
test(function() {
assert_throws(test_error, function() {
Math[aFun](Infinity, {
valueOf: function() {
throw test_error;
}
});
});
}, "ToNumber should be called on all arguments: Infinity.");
test(function() {
assert_throws(test_error, function() {
Math[aFun]({
valueOf: function() {
throw test_error;
}
},
{
valueOf: function() {
throw 7;
}
});
});
}, "ToNumber should be called left to right.");
test(function() {
assert_equals(Math[aFun]("1"), 1);
}, "Should return a number.");
test(function() {
var expected = {
"max": 0,
"min": -0
}
assert_equals(Math[aFun](0, -0), expected[aFun]);
assert_equals(Math[aFun](-0, 0), expected[aFun]);
assert_equals(Math[aFun](0, 0), 0);
assert_equals(Math[aFun](-0, -0), -0);
}, "Should handle negative zero correctly.");
}