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node_modules/saslprep/test/index.js

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+import test from 'ava'
+import saslprep from '../'
+
+const chr = String.fromCodePoint
+
+test('should work with liatin letters', (t) => {
+  const str = 'user'
+  t.is(saslprep(str), str)
+})
+
+test('should work be case preserved', (t) => {
+  const str = 'USER'
+  t.is(saslprep(str), str)
+})
+
+test('should remove `mapped to nothing` characters', (t) => {
+  t.is(saslprep('I\u00ADX'), 'IX')
+})
+
+test('should replace `Non-ASCII space characters` with space', (t) => {
+  t.is(saslprep('a\u00A0b'), 'a\u0020b')
+})
+
+test('should normalize as NFKC', (t) => {
+  t.is(saslprep('\u00AA'), 'a')
+  t.is(saslprep('\u2168'), 'IX')
+})
+
+test('should throws when prohibited characters', (t) => {
+  // C.2.1 ASCII control characters
+  t.throws(() => saslprep('a\u007Fb'))
+
+  // C.2.2 Non-ASCII control characters
+  t.throws(() => saslprep('a\u06DDb'))
+
+  // C.3 Private use
+  t.throws(() => saslprep('a\uE000b'))
+
+  // C.4 Non-character code points
+  t.throws(() => saslprep(`a${chr(0x1FFFE)}b`))
+
+  // C.5 Surrogate codes
+  t.throws(() => saslprep('a\uD800b'))
+
+  // C.6 Inappropriate for plain text
+  t.throws(() => saslprep('a\uFFF9b'))
+
+  // C.7 Inappropriate for canonical representation
+  t.throws(() => saslprep('a\u2FF0b'))
+
+  // C.8 Change display properties or are deprecated
+  t.throws(() => saslprep('a\u200Eb'))
+
+  // C.9 Tagging characters
+  t.throws(() => saslprep(`a${chr(0xE0001)}b`))
+})
+
+test('should not containt RandALCat and LCat bidi', (t) => {
+  t.throws(() => saslprep('a\u06DD\u00AAb'))
+})
+
+test('RandALCat should be first and last', (t) => {
+  t.notThrows(() => saslprep('\u0627\u0031\u0628'))
+  t.throws(() => saslprep('\u0627\u0031'))
+})
+
+test('should handle unassigned code points', (t) => {
+  t.throws(() => saslprep('a\u0487'))
+  t.notThrows(() => saslprep('a\u0487', {allowUnassigned: true}))
+})