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QUnit.test('Number.fromString', assert => {
const { fromString } = Number;
assert.isFunction(fromString);
assert.name(fromString, 'fromString');
assert.arity(fromString, 2);
assert.looksNative(fromString);
assert.nonEnumerable(Number, 'fromString');
assert.throws(() => fromString(undefined), TypeError, 'The first argument should be a string #1');
assert.throws(() => fromString(Object('10')), TypeError, 'The first argument should be a string #1');
assert.throws(() => fromString(''), SyntaxError, 'Empty string');
assert.same(fromString('-10', 2), -2, 'Works with negative numbers');
assert.throws(() => fromString('-'), SyntaxError, '-');
assert.same(fromString('10'), 10, 'Default radix is 10 #1');
assert.same(fromString('10', undefined), 10, 'Default radix is 10 #2');
for (let radix = 2; radix <= 36; ++radix) {
assert.same(fromString('10', radix), radix, `Radix ${ radix }`);
}
assert.throws(() => fromString('10', -4294967294), RangeError, 'Radix uses ToInteger #1');
assert.same(fromString('10', 2.5), 2, 'Radix uses ToInteger #2');
assert.same(fromString('42'), 42);
assert.same(fromString('42', 10), 42);
assert.same(fromString('3.14159', 10), 3.14159);
assert.same(fromString('-100.11', 2), -4.75);
assert.same(fromString('202.1', 3), 20.333333333333332);
assert.same(fromString('0'), 0);
assert.same(fromString('0', 2), 0);
assert.same(fromString('-0'), -0);
assert.same(fromString('-0', 2), -0);
assert.throws(() => fromString('0xc0ffee'), SyntaxError);
assert.throws(() => fromString('0o755'), SyntaxError);
assert.throws(() => fromString('0b00101010'), SyntaxError);
assert.throws(() => fromString('C0FFEE', 16), SyntaxError);
assert.same(fromString('c0ffee', 16), 12648430);
assert.same(fromString('755', 8), 493);
assert.throws(() => fromString(''), SyntaxError);
assert.throws(() => fromString(' '), SyntaxError);
assert.throws(() => fromString(' 1'), SyntaxError);
assert.throws(() => fromString(' \n '), SyntaxError);
assert.throws(() => fromString('x'), SyntaxError);
assert.throws(() => fromString('1234', 0), RangeError);
assert.throws(() => fromString('1234', 1), RangeError);
assert.throws(() => fromString('1234', 37), RangeError);
assert.throws(() => fromString('010'), SyntaxError);
assert.throws(() => fromString('1_000_000_000'), SyntaxError);
});
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