jerryscript/tests/jerry/es2015/string-fromcodepoint.js
Szilagyi Adam 35d9b1ab17 Implement String.fromCodePoint method (#3281)
The algorithm is based on ECMA-262 v6, 21.1.2.2

JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu
2019-11-08 13:48:05 +01:00

65 lines
1.7 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.
// Tests with valid inputs
assert(String.fromCodePoint(42) === "*")
assert(String.fromCodePoint(65, 90) === "AZ");
assert(String.fromCodePoint(0x404) === "Є");
assert(String.fromCodePoint(194564) === "你");
assert(String.fromCodePoint(0x1D306, 0x61, 0x1D307) === "𝌆a𝌇");
assert(String.fromCodePoint(0x1F303) === "🌃");
// Tests with invalid inputs
try {
assert(String.fromCodePoint('_'));
assert(false);
} catch (e) {
assert(e instanceof RangeError);
}
try {
assert(String.fromCodePoint(Infinity));
assert(false);
} catch (e) {
assert(e instanceof RangeError);
}
try {
assert(String.fromCodePoint(-1));
assert(false);
} catch (e) {
assert(e instanceof RangeError);
}
try {
assert(String.fromCodePoint(3.14));
assert(false);
} catch (e) {
assert(e instanceof RangeError);
}
try {
assert(String.fromCodePoint(3e-2));
assert(false);
} catch (e) {
assert(e instanceof RangeError);
}
try {
assert(String.fromCodePoint(NaN));
assert(false);
} catch (e) {
assert(e instanceof RangeError);
}