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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/xpcshell/node-ws/test/validation.test.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/xpcshell/node-ws/test/validation.test.js')
-rw-r--r--testing/xpcshell/node-ws/test/validation.test.js52
1 files changed, 52 insertions, 0 deletions
diff --git a/testing/xpcshell/node-ws/test/validation.test.js b/testing/xpcshell/node-ws/test/validation.test.js
new file mode 100644
index 0000000000..5718b12f02
--- /dev/null
+++ b/testing/xpcshell/node-ws/test/validation.test.js
@@ -0,0 +1,52 @@
+'use strict';
+
+const assert = require('assert');
+
+const { isValidUTF8 } = require('../lib/validation');
+
+describe('extension', () => {
+ describe('isValidUTF8', () => {
+ it('returns false if it finds invalid bytes', () => {
+ assert.strictEqual(isValidUTF8(Buffer.from([0xf8])), false);
+ });
+
+ it('returns false for overlong encodings', () => {
+ assert.strictEqual(isValidUTF8(Buffer.from([0xc0, 0xa0])), false);
+ assert.strictEqual(isValidUTF8(Buffer.from([0xe0, 0x80, 0xa0])), false);
+ assert.strictEqual(
+ isValidUTF8(Buffer.from([0xf0, 0x80, 0x80, 0xa0])),
+ false
+ );
+ });
+
+ it('returns false for code points in the range U+D800 - U+DFFF', () => {
+ for (let i = 0xa0; i < 0xc0; i++) {
+ for (let j = 0x80; j < 0xc0; j++) {
+ assert.strictEqual(isValidUTF8(Buffer.from([0xed, i, j])), false);
+ }
+ }
+ });
+
+ it('returns false for code points greater than U+10FFFF', () => {
+ assert.strictEqual(
+ isValidUTF8(Buffer.from([0xf4, 0x90, 0x80, 0x80])),
+ false
+ );
+ assert.strictEqual(
+ isValidUTF8(Buffer.from([0xf5, 0x80, 0x80, 0x80])),
+ false
+ );
+ });
+
+ it('returns true for a well-formed UTF-8 byte sequence', () => {
+ // prettier-ignore
+ const buf = Buffer.from([
+ 0xe2, 0x82, 0xAC, // €
+ 0xf0, 0x90, 0x8c, 0x88, // 𐍈
+ 0x24 // $
+ ]);
+
+ assert.strictEqual(isValidUTF8(buf), true);
+ });
+ });
+});