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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /url/urlsearchparams-constructor.any.html - WPT Dashboard Interop Dashboard
- /url/urlsearchparams-constructor.any.worker.html - WPT Dashboard Interop Dashboard
test(function() {
var params = new URLSearchParams();
assert_equals(params + '', '');
params = new URLSearchParams('');
assert_equals(params + '', '');
params = new URLSearchParams('a=b');
assert_equals(params + '', 'a=b');
params = new URLSearchParams(params);
assert_equals(params + '', 'a=b');
}, 'Basic URLSearchParams construction');
test(function() {
var params = new URLSearchParams()
assert_equals(params.toString(), "")
}, "URLSearchParams constructor, no arguments")
test(function () {
var params = new URLSearchParams("?a=b")
assert_equals(params.toString(), "a=b")
}, 'URLSearchParams constructor, remove leading "?"')
test(() => {
var params = new URLSearchParams(DOMException);
assert_equals(params.toString(), "INDEX_SIZE_ERR=1&DOMSTRING_SIZE_ERR=2&HIERARCHY_REQUEST_ERR=3&WRONG_DOCUMENT_ERR=4&INVALID_CHARACTER_ERR=5&NO_DATA_ALLOWED_ERR=6&NO_MODIFICATION_ALLOWED_ERR=7&NOT_FOUND_ERR=8&NOT_SUPPORTED_ERR=9&INUSE_ATTRIBUTE_ERR=10&INVALID_STATE_ERR=11&SYNTAX_ERR=12&INVALID_MODIFICATION_ERR=13&NAMESPACE_ERR=14&INVALID_ACCESS_ERR=15&VALIDATION_ERR=16&TYPE_MISMATCH_ERR=17&SECURITY_ERR=18&NETWORK_ERR=19&ABORT_ERR=20&URL_MISMATCH_ERR=21"A_EXCEEDED_ERR=22&TIMEOUT_ERR=23&INVALID_NODE_TYPE_ERR=24&DATA_CLONE_ERR=25")
assert_throws_js(TypeError, () => new URLSearchParams(DOMException.prototype),
"Constructing a URLSearchParams from DOMException.prototype should throw due to branding checks");
}, "URLSearchParams constructor, DOMException as argument")
test(() => {
var params = new URLSearchParams('');
assert_true(params != null, 'constructor returned non-null value.');
assert_equals(Object.getPrototypeOf(params), URLSearchParams.prototype, 'expected URLSearchParams.prototype as prototype.');
}, "URLSearchParams constructor, empty string as argument")
test(() => {
var params = new URLSearchParams({});
assert_equals(params + '', "");
}, 'URLSearchParams constructor, {} as argument');
test(function() {
var params = new URLSearchParams('a=b');
assert_true(params != null, 'constructor returned non-null value.');
assert_true(params.has('a'), 'Search params object has name "a"');
assert_false(params.has('b'), 'Search params object has not got name "b"');
params = new URLSearchParams('a=b&c');
assert_true(params != null, 'constructor returned non-null value.');
assert_true(params.has('a'), 'Search params object has name "a"');
assert_true(params.has('c'), 'Search params object has name "c"');
params = new URLSearchParams('&a&&& &&&&&a+b=& c&m%c3%b8%c3%b8');
assert_true(params != null, 'constructor returned non-null value.');
assert_true(params.has('a'), 'Search params object has name "a"');
assert_true(params.has('a b'), 'Search params object has name "a b"');
assert_true(params.has(' '), 'Search params object has name " "');
assert_false(params.has('c'), 'Search params object did not have the name "c"');
assert_true(params.has(' c'), 'Search params object has name " c"');
assert_true(params.has('møø'), 'Search params object has name "møø"');
params = new URLSearchParams('id=0&value=%');
assert_true(params != null, 'constructor returned non-null value.');
assert_true(params.has('id'), 'Search params object has name "id"');
assert_true(params.has('value'), 'Search params object has name "value"');
assert_equals(params.get('id'), '0');
assert_equals(params.get('value'), '%');
params = new URLSearchParams('b=%2sf%2a');
assert_true(params != null, 'constructor returned non-null value.');
assert_true(params.has('b'), 'Search params object has name "b"');
assert_equals(params.get('b'), '%2sf*');
params = new URLSearchParams('b=%2%2af%2a');
assert_true(params != null, 'constructor returned non-null value.');
assert_true(params.has('b'), 'Search params object has name "b"');
assert_equals(params.get('b'), '%2*f*');
params = new URLSearchParams('b=%%2a');
assert_true(params != null, 'constructor returned non-null value.');
assert_true(params.has('b'), 'Search params object has name "b"');
assert_equals(params.get('b'), '%*');
}, 'URLSearchParams constructor, string.');
test(function() {
var seed = new URLSearchParams('a=b&c=d');
var params = new URLSearchParams(seed);
assert_true(params != null, 'constructor returned non-null value.');
assert_equals(params.get('a'), 'b');
assert_equals(params.get('c'), 'd');
assert_false(params.has('d'));
// The name-value pairs are copied when created; later updates
// should not be observable.
seed.append('e', 'f');
assert_false(params.has('e'));
params.append('g', 'h');
assert_false(seed.has('g'));
}, 'URLSearchParams constructor, object.');
test(function() {
var formData = new FormData()
formData.append('a', 'b')
formData.append('c', 'd')
var params = new URLSearchParams(formData);
assert_true(params != null, 'constructor returned non-null value.');
assert_equals(params.get('a'), 'b');
assert_equals(params.get('c'), 'd');
assert_false(params.has('d'));
// The name-value pairs are copied when created; later updates
// should not be observable.
formData.append('e', 'f');
assert_false(params.has('e'));
params.append('g', 'h');
assert_false(formData.has('g'));
}, 'URLSearchParams constructor, FormData.');
test(function() {
var params = new URLSearchParams('a=b+c');
assert_equals(params.get('a'), 'b c');
params = new URLSearchParams('a+b=c');
assert_equals(params.get('a b'), 'c');
}, 'Parse +');
test(function() {
const testValue = '+15555555555';
const params = new URLSearchParams();
params.set('query', testValue);
var newParams = new URLSearchParams(params.toString());
assert_equals(params.toString(), 'query=%2B15555555555');
assert_equals(params.get('query'), testValue);
assert_equals(newParams.get('query'), testValue);
}, 'Parse encoded +');
test(function() {
var params = new URLSearchParams('a=b c');
assert_equals(params.get('a'), 'b c');
params = new URLSearchParams('a b=c');
assert_equals(params.get('a b'), 'c');
}, 'Parse space');
test(function() {
var params = new URLSearchParams('a=b%20c');
assert_equals(params.get('a'), 'b c');
params = new URLSearchParams('a%20b=c');
assert_equals(params.get('a b'), 'c');
}, 'Parse %20');
test(function() {
var params = new URLSearchParams('a=b\0c');
assert_equals(params.get('a'), 'b\0c');
params = new URLSearchParams('a\0b=c');
assert_equals(params.get('a\0b'), 'c');
}, 'Parse \\0');
test(function() {
var params = new URLSearchParams('a=b%00c');
assert_equals(params.get('a'), 'b\0c');
params = new URLSearchParams('a%00b=c');
assert_equals(params.get('a\0b'), 'c');
}, 'Parse %00');
test(function() {
var params = new URLSearchParams('a=b\u2384');
assert_equals(params.get('a'), 'b\u2384');
params = new URLSearchParams('a\u2384b=c');
assert_equals(params.get('a\u2384b'), 'c');
}, 'Parse \u2384'); // Unicode Character 'COMPOSITION SYMBOL' (U+2384)
test(function() {
var params = new URLSearchParams('a=b%e2%8e%84');
assert_equals(params.get('a'), 'b\u2384');
params = new URLSearchParams('a%e2%8e%84b=c');
assert_equals(params.get('a\u2384b'), 'c');
}, 'Parse %e2%8e%84'); // Unicode Character 'COMPOSITION SYMBOL' (U+2384)
test(function() {
var params = new URLSearchParams('a=b\uD83D\uDCA9c');
assert_equals(params.get('a'), 'b\uD83D\uDCA9c');
params = new URLSearchParams('a\uD83D\uDCA9b=c');
assert_equals(params.get('a\uD83D\uDCA9b'), 'c');
}, 'Parse \uD83D\uDCA9'); // Unicode Character 'PILE OF POO' (U+1F4A9)
test(function() {
var params = new URLSearchParams('a=b%f0%9f%92%a9c');
assert_equals(params.get('a'), 'b\uD83D\uDCA9c');
params = new URLSearchParams('a%f0%9f%92%a9b=c');
assert_equals(params.get('a\uD83D\uDCA9b'), 'c');
}, 'Parse %f0%9f%92%a9'); // Unicode Character 'PILE OF POO' (U+1F4A9)
test(function() {
var params = new URLSearchParams([]);
assert_true(params != null, 'constructor returned non-null value.');
params = new URLSearchParams([['a', 'b'], ['c', 'd']]);
assert_equals(params.get("a"), "b");
assert_equals(params.get("c"), "d");
assert_throws_js(TypeError, function() { new URLSearchParams([[1]]); });
assert_throws_js(TypeError, function() { new URLSearchParams([[1,2,3]]); });
}, "Constructor with sequence of sequences of strings");
[
{ "input": {"+": "%C2"}, "output": [["+", "%C2"]], "name": "object with +" },
{ "input": {c: "x", a: "?"}, "output": [["c", "x"], ["a", "?"]], "name": "object with two keys" },
{ "input": [["c", "x"], ["a", "?"]], "output": [["c", "x"], ["a", "?"]], "name": "array with two keys" },
{ "input": {"\uD835x": "1", "xx": "2", "\uD83Dx": "3"}, "output": [["\uFFFDx", "3"], ["xx", "2"]], "name": "2 unpaired surrogates (no trailing)" },
{ "input": {"x\uDC53": "1", "x\uDC5C": "2", "x\uDC65": "3"}, "output": [["x\uFFFD", "3"]], "name": "3 unpaired surrogates (no leading)" },
{ "input": {"a\0b": "42", "c\uD83D": "23", "d\u1234": "foo"}, "output": [["a\0b", "42"], ["c\uFFFD", "23"], ["d\u1234", "foo"]], "name": "object with NULL, non-ASCII, and surrogate keys" }
].forEach((val) => {
test(() => {
let params = new URLSearchParams(val.input),
i = 0
for (let param of params) {
assert_array_equals(param, val.output[i])
i++
}
}, "Construct with " + val.name)
})
test(() => {
var params = new URLSearchParams()
params[Symbol.iterator] = function *() {
yield ["a", "b"]
}
let params2 = new URLSearchParams(params)
assert_equals(params2.get("a"), "b")
}, "Custom [Symbol.iterator]")