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const test = require('tape');
const defs = require('../src/defs.js');
const unicode_tests = [
{
description: "Convert normal ascii string",
literal: "foo",
byte_array: defs.string_of("f".charCodeAt(0), "o".charCodeAt(0), "o".charCodeAt(0))
},
{
description: "Convert ascii string containing null byte",
literal: "fo\0o",
byte_array: defs.string_of("f".charCodeAt(0), "o".charCodeAt(0), 0, "o".charCodeAt(0))
},
{
description: "Convert string with BMP unicode chars",
literal: "Café",
byte_array: defs.string_of(67, 97, 102, 195, 169)
},
{
description: "Convert string with codepoint in PUA (U+E000 to U+F8FF)",
literal: "",
byte_array: defs.string_of(239, 163, 191)
},
{
description: "Convert string with surrogate pair",
literal: "❤️🍾",
byte_array: defs.string_of(226, 157, 164, 239, 184, 143, 240, 159, 141, 190)
},
{
description: "Convert string with broken surrogate pair",
literal: "\uD800a",
byte_array: defs.string_of(237, 160, 128, 97)
},
{
description: "Convert string with broken surrogate pair at end of string",
literal: "\uD823",
byte_array: defs.string_of(237, 160, 163)
}
];
test('to_luastring', function (t) {
t.plan(unicode_tests.length);
unicode_tests.forEach(function(v) {
t.deepEqual(defs.to_luastring(v.literal), v.byte_array, v.description);
});
});
test('to_jsstring', function (t) {
t.plan(unicode_tests.length);
unicode_tests.forEach(function(v) {
t.deepEqual(defs.to_jsstring(v.byte_array), v.literal, v.description);
});
});
test('to_jsstring fails on invalid unicode', function (t) {
t.plan(7);
t.throws(function() {
defs.to_jsstring([165]);
}, "non-utf8 char");
t.throws(function() {
defs.to_jsstring([208, 60]);
}, "invalid continuation byte");
t.throws(function() {
defs.to_jsstring([225, 60, 145]);
}, "invalid continuation byte");
t.throws(function() {
defs.to_jsstring([225, 145, 60]);
}, "invalid continuation byte");
t.throws(function() {
defs.to_jsstring([242, 60, 145, 145]);
}, "invalid continuation byte");
t.throws(function() {
defs.to_jsstring([242, 145, 60, 145]);
}, "invalid continuation byte");
t.throws(function() {
defs.to_jsstring([242, 145, 145, 60]);
}, "invalid continuation byte");
});
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