jerryscript/tests/jerry/es2015/binary-literal.js
Szilagyi Adam b6f2ff1ba7 Implement binary literal parsing (#3439)
This patch will allow the user to use binary literals starting with 0b or 0B,
these literals will be evaluated in parsing time resulting an integer

Co-authored-by: Robert Fancsik frobert@inf.u-szeged.hu
JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu
2019-12-17 11:42:29 +01:00

53 lines
1.5 KiB
JavaScript

/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
function checkSyntaxError (str) {
try {
eval(str);
assert(false);
} catch (e) {
assert(e instanceof SyntaxError);
}
}
// Test with invalid literals
checkSyntaxError("0c");
checkSyntaxError("0b");
checkSyntaxError("0b0123456");
checkSyntaxError("0b2");
checkSyntaxError("0C");
checkSyntaxError("0B");
checkSyntaxError("0B2");
checkSyntaxError("000b01010101");
checkSyntaxError("010b01010101");
checkSyntaxError("11 0b01010101");
// Test with valid literals
assert(0b111 === 7);
assert(0b111110111 === 503);
assert(0b111101010101 === 3925);
assert(0b00000000000001 === 1);
assert(0b00000000000000 === 0);
assert(0b1101001 === parseInt ("1101001", 2));
assert(0B111 === 7);
assert(0B111110111 === 503);
assert(0B111101010101 === 3925);
assert(0B00000000000001 === 1);
assert(0B00000000000000 === 0);
assert(0B1101001 === parseInt ("1101001", 2));