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'use strict';
// Tests below are not from WPT.
const common = require('../common');
const assert = require('assert');
const URLSearchParams = require('url').URLSearchParams;
function makeIterableFunc(array) {
return Object.assign(() => {}, {
[Symbol.iterator]() {
return array[Symbol.iterator]();
}
});
}
{
const iterableError = common.expectsError({
code: 'ERR_ARG_NOT_ITERABLE',
type: TypeError,
message: 'Query pairs must be iterable'
});
const tupleError = common.expectsError({
code: 'ERR_INVALID_TUPLE',
type: TypeError,
message: 'Each query pair must be an iterable [name, value] tuple'
}, 6);
let params;
params = new URLSearchParams(undefined);
assert.strictEqual(params.toString(), '');
params = new URLSearchParams(null);
assert.strictEqual(params.toString(), '');
params = new URLSearchParams(
makeIterableFunc([['key', 'val'], ['key2', 'val2']])
);
assert.strictEqual(params.toString(), 'key=val&key2=val2');
params = new URLSearchParams(
makeIterableFunc([['key', 'val'], ['key2', 'val2']].map(makeIterableFunc))
);
assert.strictEqual(params.toString(), 'key=val&key2=val2');
assert.throws(() => new URLSearchParams([[1]]), tupleError);
assert.throws(() => new URLSearchParams([[1, 2, 3]]), tupleError);
assert.throws(() => new URLSearchParams({ [Symbol.iterator]: 42 }),
iterableError);
assert.throws(() => new URLSearchParams([{}]), tupleError);
assert.throws(() => new URLSearchParams(['a']), tupleError);
assert.throws(() => new URLSearchParams([null]), tupleError);
assert.throws(() => new URLSearchParams([{ [Symbol.iterator]: 42 }]),
tupleError);
}
{
const obj = {
toString() { throw new Error('toString'); },
valueOf() { throw new Error('valueOf'); }
};
const sym = Symbol();
const toStringError = /^Error: toString$/;
const symbolError = /^TypeError: Cannot convert a Symbol value to a string$/;
assert.throws(() => new URLSearchParams({ a: obj }), toStringError);
assert.throws(() => new URLSearchParams([['a', obj]]), toStringError);
assert.throws(() => new URLSearchParams(sym), symbolError);
assert.throws(() => new URLSearchParams({ [sym]: 'a' }), symbolError);
assert.throws(() => new URLSearchParams({ a: sym }), symbolError);
assert.throws(() => new URLSearchParams([[sym, 'a']]), symbolError);
assert.throws(() => new URLSearchParams([['a', sym]]), symbolError);
}
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