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LibJS: Add isFinite()

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This commit is contained in:
Linus Groh 2020-04-22 18:07:24 +01:00 • committed by Andreas Kling
parent 8ff2881b1a
commit 7540203ae8
3 changed files with 36 additions and 0 deletions
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28
Libraries/LibJS/Tests/isFinite.js Normal file
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@ -0,0 +1,28 @@
load("test-common.js");
try {
assert(isFinite.length === 1);
assert(isFinite(0) === true);
assert(isFinite(42) === true);
assert(isFinite("") === true);
assert(isFinite("0") === true);
assert(isFinite("42") === true);
assert(isFinite(true) === true);
assert(isFinite(false) === true);
assert(isFinite(null) === true);
assert(isFinite([]) === true);
assert(isFinite() === false);
assert(isFinite(NaN) === false);
assert(isFinite(undefined) === false);
assert(isFinite(Infinity) === false);
assert(isFinite(-Infinity) === false);
assert(isFinite("foo") === false);
assert(isFinite({}) === false);
assert(isFinite([1, 2, 3]) === false);
console.log("PASS");
} catch (e) {
console.log("FAIL: " + e.message);
}