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LibJS: Add String.prototype.concat

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This commit is contained in:
Kesse Jones 2020-04-16 11:35:13 -03:00 • committed by Andreas Kling
parent e72a537033
commit 7725b1970e
3 changed files with 42 additions and 0 deletions
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22
Libraries/LibJS/Tests/String.prototype.concat.js Normal file
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@ -0,0 +1,22 @@
load("test-common.js");
try {
assert(String.prototype.concat.length === 1);
assert("".concat(1) === "1");
assert("".concat(3,2,1) === "321");
assert("hello".concat(" ", "friends") === "hello friends");
assert("".concat(null) === "null");
assert("".concat(false) === "false");
assert("".concat(true) === "true");
assert("".concat([]) === "");
assert("".concat([1, 2, 3, 'hello']) === "1,2,3,hello");
assert("".concat(true, []) === "true");
assert("".concat(true, false) === "truefalse");
assert("".concat({}) === "[object Object]");
assert("".concat(1, {}) === "1[object Object]");
assert("".concat(1, {}, false) === "1[object Object]false");
console.log("PASS");
} catch (err) {
console.log("FAIL: " + err);
}