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check URLSearchParams.constructor's params (#2488)

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迷渡 2019-06-10 19:20:59 +08:00 • committed by Ryan Dahl
parent a115340288
commit 5871d22d9b
2 changed files with 18 additions and 5 deletions
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10
js/url_search_params.ts
View file

@ -280,11 +280,11 @@ export class URLSearchParams {
// Overload: sequence<sequence<USVString>> // Overload: sequence<sequence<USVString>>
for (const tuple of init) { for (const tuple of init) {
// If pair does not contain exactly two items, then throw a TypeError. // If pair does not contain exactly two items, then throw a TypeError.
requiredArguments( if (tuple.length !== 2) {
"URLSearchParams.constructor tuple array argument", throw new TypeError(
tuple.length, "URLSearchParams.constructor tuple array argument must only contain pair elements"
2 );
); }
this.append(tuple[0], tuple[1]); this.append(tuple[0], tuple[1]);
} }
} }

13
js/url_search_params_test.ts
View file

@ -147,6 +147,19 @@ test(function urlSearchParamsShouldThrowTypeError(): void {
} }
assertEquals(hasThrown, 2); assertEquals(hasThrown, 2);
try {
new URLSearchParams([["1", "2", "3"]]);
hasThrown = 1;
} catch (err) {
if (err instanceof TypeError) {
hasThrown = 2;
} else {
hasThrown = 3;
}
}
assertEquals(hasThrown, 2);
}); });
test(function urlSearchParamsAppendArgumentsCheck(): void { test(function urlSearchParamsAppendArgumentsCheck(): void {