First commit

node_modules/@ldapjs/dn/lib/utils/parse-string/read-escape-sequence.test.js

@@ -0,0 +1,72 @@
+'use strict'
+
+const tap = require('tap')
+const readEscapeSequence = require('./read-escape-sequence')
+
+tap.test('throws for bad sequence', async t => {
+  const input = Buffer.from('foo\\ø')
+  t.throws(
+    () => readEscapeSequence({ searchBuffer: input, startPos: 3 }),
+    Error('invalid hex code in escape sequence')
+  )
+})
+
+tap.test('reads a single ascii sequence', async t => {
+  const input = Buffer.from('foo\\#bar', 'utf8')
+  const { parsed, endPos } = readEscapeSequence({
+    searchBuffer: input,
+    startPos: 3
+  })
+  t.equal(parsed.toString(), '#')
+  t.equal(endPos, 5)
+})
+
+tap.test('reads a sequence of ascii sequences', async t => {
+  const input = Buffer.from('foo\\#\\!bar', 'utf8')
+  const { parsed, endPos } = readEscapeSequence({
+    searchBuffer: input,
+    startPos: 3
+  })
+  t.equal(parsed.toString(), '#!')
+  t.equal(endPos, 7)
+})
+
+tap.test('reads a single hex sequence', async t => {
+  const input = Buffer.from('foo\\2abar', 'utf8')
+  const { parsed, endPos } = readEscapeSequence({
+    searchBuffer: input,
+    startPos: 3
+  })
+  t.equal(parsed.toString(), '*')
+  t.equal(endPos, 6)
+})
+
+tap.test('reads 2-byte utf-8 sequence', async t => {
+  const input = Buffer.from('fo\\c5\\8f bar')
+  const { parsed, endPos } = readEscapeSequence({
+    searchBuffer: input,
+    startPos: 2
+  })
+  t.equal(parsed.toString(), 'ŏ')
+  t.equal(endPos, 8)
+})
+
+tap.test('reads 3-byte utf-8 sequence', async t => {
+  const input = Buffer.from('fo\\e0\\b0\\b0 bar')
+  const { parsed, endPos } = readEscapeSequence({
+    searchBuffer: input,
+    startPos: 2
+  })
+  t.equal(parsed.toString(), 'ర')
+  t.equal(endPos, 11)
+})
+
+tap.test('reads 4-byte utf-8 sequence', async t => {
+  const input = Buffer.from('fo\\f0\\92\\84\\ad bar')
+  const { parsed, endPos } = readEscapeSequence({
+    searchBuffer: input,
+    startPos: 2
+  })
+  t.equal(parsed.toString(), '𒄭')
+  t.equal(endPos, 14)
+})