1 files changed, 317 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-buffer-includes.js b/tests/node_compat/test/parallel/test-buffer-includes.js
new file mode 100644
index 000000000..797ec8246
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-buffer-includes.js
@@ -0,0 +1,317 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 18.12.1
+// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+
+const b = Buffer.from('abcdef');
+const buf_a = Buffer.from('a');
+const buf_bc = Buffer.from('bc');
+const buf_f = Buffer.from('f');
+const buf_z = Buffer.from('z');
+const buf_empty = Buffer.from('');
+
+assert(b.includes('a'));
+assert(!b.includes('a', 1));
+assert(!b.includes('a', -1));
+assert(!b.includes('a', -4));
+assert(b.includes('a', -b.length));
+assert(b.includes('a', NaN));
+assert(b.includes('a', -Infinity));
+assert(!b.includes('a', Infinity));
+assert(b.includes('bc'));
+assert(!b.includes('bc', 2));
+assert(!b.includes('bc', -1));
+assert(!b.includes('bc', -3));
+assert(b.includes('bc', -5));
+assert(b.includes('bc', NaN));
+assert(b.includes('bc', -Infinity));
+assert(!b.includes('bc', Infinity));
+assert(b.includes('f'), b.length - 1);
+assert(!b.includes('z'));
+assert(b.includes(''));
+assert(b.includes('', 1));
+assert(b.includes('', b.length + 1));
+assert(b.includes('', Infinity));
+assert(b.includes(buf_a));
+assert(!b.includes(buf_a, 1));
+assert(!b.includes(buf_a, -1));
+assert(!b.includes(buf_a, -4));
+assert(b.includes(buf_a, -b.length));
+assert(b.includes(buf_a, NaN));
+assert(b.includes(buf_a, -Infinity));
+assert(!b.includes(buf_a, Infinity));
+assert(b.includes(buf_bc));
+assert(!b.includes(buf_bc, 2));
+assert(!b.includes(buf_bc, -1));
+assert(!b.includes(buf_bc, -3));
+assert(b.includes(buf_bc, -5));
+assert(b.includes(buf_bc, NaN));
+assert(b.includes(buf_bc, -Infinity));
+assert(!b.includes(buf_bc, Infinity));
+assert(b.includes(buf_f), b.length - 1);
+assert(!b.includes(buf_z));
+assert(b.includes(buf_empty));
+assert(b.includes(buf_empty, 1));
+assert(b.includes(buf_empty, b.length + 1));
+assert(b.includes(buf_empty, Infinity));
+assert(b.includes(0x61));
+assert(!b.includes(0x61, 1));
+assert(!b.includes(0x61, -1));
+assert(!b.includes(0x61, -4));
+assert(b.includes(0x61, -b.length));
+assert(b.includes(0x61, NaN));
+assert(b.includes(0x61, -Infinity));
+assert(!b.includes(0x61, Infinity));
+assert(!b.includes(0x0));
+
+// test offsets
+assert(b.includes('d', 2));
+assert(b.includes('f', 5));
+assert(b.includes('f', -1));
+assert(!b.includes('f', 6));
+
+assert(b.includes(Buffer.from('d'), 2));
+assert(b.includes(Buffer.from('f'), 5));
+assert(b.includes(Buffer.from('f'), -1));
+assert(!b.includes(Buffer.from('f'), 6));
+
+// TODO(Soremwar)
+// Enable again once encoding is taking into account when evaluating indexOf
+// assert(!Buffer.from('ff').includes(Buffer.from('f'), 1, 'ucs2'));
+
+// test hex encoding
+assert.strictEqual(
+  Buffer.from(b.toString('hex'), 'hex')
+    .includes('64', 0, 'hex'),
+  true
+);
+assert.strictEqual(
+  Buffer.from(b.toString('hex'), 'hex')
+    .includes(Buffer.from('64', 'hex'), 0, 'hex'),
+  true
+);
+
+// Test base64 encoding
+assert.strictEqual(
+  Buffer.from(b.toString('base64'), 'base64')
+    .includes('ZA==', 0, 'base64'),
+  true
+);
+assert.strictEqual(
+  Buffer.from(b.toString('base64'), 'base64')
+    .includes(Buffer.from('ZA==', 'base64'), 0, 'base64'),
+  true
+);
+
+// test ascii encoding
+assert.strictEqual(
+  Buffer.from(b.toString('ascii'), 'ascii')
+    .includes('d', 0, 'ascii'),
+  true
+);
+assert.strictEqual(
+  Buffer.from(b.toString('ascii'), 'ascii')
+    .includes(Buffer.from('d', 'ascii'), 0, 'ascii'),
+  true
+);
+
+// Test latin1 encoding
+assert.strictEqual(
+  Buffer.from(b.toString('latin1'), 'latin1')
+    .includes('d', 0, 'latin1'),
+  true
+);
+assert.strictEqual(
+  Buffer.from(b.toString('latin1'), 'latin1')
+    .includes(Buffer.from('d', 'latin1'), 0, 'latin1'),
+  true
+);
+
+// Test binary encoding
+assert.strictEqual(
+  Buffer.from(b.toString('binary'), 'binary')
+    .includes('d', 0, 'binary'),
+  true
+);
+assert.strictEqual(
+  Buffer.from(b.toString('binary'), 'binary')
+    .includes(Buffer.from('d', 'binary'), 0, 'binary'),
+  true
+);
+
+
+// test ucs2 encoding
+let twoByteString = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');
+
+assert(twoByteString.includes('\u0395', 4, 'ucs2'));
+assert(twoByteString.includes('\u03a3', -4, 'ucs2'));
+assert(twoByteString.includes('\u03a3', -6, 'ucs2'));
+assert(twoByteString.includes(
+  Buffer.from('\u03a3', 'ucs2'), -6, 'ucs2'));
+assert(!twoByteString.includes('\u03a3', -2, 'ucs2'));
+
+const mixedByteStringUcs2 =
+  Buffer.from('\u039a\u0391abc\u03a3\u03a3\u0395', 'ucs2');
+assert(mixedByteStringUcs2.includes('bc', 0, 'ucs2'));
+assert(mixedByteStringUcs2.includes('\u03a3', 0, 'ucs2'));
+assert(!mixedByteStringUcs2.includes('\u0396', 0, 'ucs2'));
+
+assert.ok(
+  mixedByteStringUcs2.includes(Buffer.from('bc', 'ucs2'), 0, 'ucs2'));
+assert.ok(
+  mixedByteStringUcs2.includes(Buffer.from('\u03a3', 'ucs2'), 0, 'ucs2'));
+assert.ok(
+  !mixedByteStringUcs2.includes(Buffer.from('\u0396', 'ucs2'), 0, 'ucs2'));
+
+twoByteString = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');
+
+// Test single char pattern
+assert(twoByteString.includes('\u039a', 0, 'ucs2'));
+assert(twoByteString.includes('\u0391', 0, 'ucs2'), 'Alpha');
+assert(twoByteString.includes('\u03a3', 0, 'ucs2'), 'First Sigma');
+assert(twoByteString.includes('\u03a3', 6, 'ucs2'), 'Second Sigma');
+assert(twoByteString.includes('\u0395', 0, 'ucs2'), 'Epsilon');
+assert(!twoByteString.includes('\u0392', 0, 'ucs2'), 'Not beta');
+
+// Test multi-char pattern
+assert(twoByteString.includes('\u039a\u0391', 0, 'ucs2'), 'Lambda Alpha');
+assert(twoByteString.includes('\u0391\u03a3', 0, 'ucs2'), 'Alpha Sigma');
+assert(twoByteString.includes('\u03a3\u03a3', 0, 'ucs2'), 'Sigma Sigma');
+assert(twoByteString.includes('\u03a3\u0395', 0, 'ucs2'), 'Sigma Epsilon');
+
+const mixedByteStringUtf8 = Buffer.from('\u039a\u0391abc\u03a3\u03a3\u0395');
+assert(mixedByteStringUtf8.includes('bc'));
+assert(mixedByteStringUtf8.includes('bc', 5));
+assert(mixedByteStringUtf8.includes('bc', -8));
+assert(mixedByteStringUtf8.includes('\u03a3'));
+assert(!mixedByteStringUtf8.includes('\u0396'));
+
+
+// Test complex string includes algorithms. Only trigger for long strings.
+// Long string that isn't a simple repeat of a shorter string.
+let longString = 'A';
+for (let i = 66; i < 76; i++) {  // from 'B' to 'K'
+  longString = longString + String.fromCharCode(i) + longString;
+}
+
+const longBufferString = Buffer.from(longString);
+
+// Pattern of 15 chars, repeated every 16 chars in long
+let pattern = 'ABACABADABACABA';
+for (let i = 0; i < longBufferString.length - pattern.length; i += 7) {
+  const includes = longBufferString.includes(pattern, i);
+  assert(includes, `Long ABACABA...-string at index ${i}`);
+}
+assert(longBufferString.includes('AJABACA'), 'Long AJABACA, First J');
+assert(longBufferString.includes('AJABACA', 511), 'Long AJABACA, Second J');
+
+pattern = 'JABACABADABACABA';
+assert(longBufferString.includes(pattern), 'Long JABACABA..., First J');
+assert(longBufferString.includes(pattern, 512), 'Long JABACABA..., Second J');
+
+// Search for a non-ASCII string in a pure ASCII string.
+const asciiString = Buffer.from(
+  'arglebargleglopglyfarglebargleglopglyfarglebargleglopglyf');
+assert(!asciiString.includes('\x2061'));
+assert(asciiString.includes('leb', 0));
+
+// Search in string containing many non-ASCII chars.
+const allCodePoints = [];
+for (let i = 0; i < 65534; i++) allCodePoints[i] = i;
+const allCharsString = String.fromCharCode.apply(String, allCodePoints) +
+    String.fromCharCode(65534, 65535);
+const allCharsBufferUtf8 = Buffer.from(allCharsString);
+const allCharsBufferUcs2 = Buffer.from(allCharsString, 'ucs2');
+
+// Search for string long enough to trigger complex search with ASCII pattern
+// and UC16 subject.
+assert(!allCharsBufferUtf8.includes('notfound'));
+assert(!allCharsBufferUcs2.includes('notfound'));
+
+// Find substrings in Utf8.
+let lengths = [1, 3, 15];  // Single char, simple and complex.
+let indices = [0x5, 0x60, 0x400, 0x680, 0x7ee, 0xFF02, 0x16610, 0x2f77b];
+for (let lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
+  for (let i = 0; i < indices.length; i++) {
+    const index = indices[i];
+    let length = lengths[lengthIndex];
+
+    if (index + length > 0x7F) {
+      length = 2 * length;
+    }
+
+    if (index + length > 0x7FF) {
+      length = 3 * length;
+    }
+
+    if (index + length > 0xFFFF) {
+      length = 4 * length;
+    }
+
+    const patternBufferUtf8 = allCharsBufferUtf8.slice(index, index + length);
+    assert(index, allCharsBufferUtf8.includes(patternBufferUtf8));
+
+    const patternStringUtf8 = patternBufferUtf8.toString();
+    assert(index, allCharsBufferUtf8.includes(patternStringUtf8));
+  }
+}
+
+// Find substrings in Usc2.
+lengths = [2, 4, 16];  // Single char, simple and complex.
+indices = [0x5, 0x65, 0x105, 0x205, 0x285, 0x2005, 0x2085, 0xfff0];
+for (let lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
+  for (let i = 0; i < indices.length; i++) {
+    const index = indices[i] * 2;
+    const length = lengths[lengthIndex];
+
+    const patternBufferUcs2 =
+      allCharsBufferUcs2.slice(index, index + length);
+    assert.ok(
+      allCharsBufferUcs2.includes(patternBufferUcs2, 0, 'ucs2'));
+
+    const patternStringUcs2 = patternBufferUcs2.toString('ucs2');
+    assert.ok(
+      allCharsBufferUcs2.includes(patternStringUcs2, 0, 'ucs2'));
+  }
+}
+
+[
+  () => { },
+  {},
+  [],
+].forEach((val) => {
+  assert.throws(
+    () => b.includes(val),
+    {
+      code: 'ERR_INVALID_ARG_TYPE',
+      name: 'TypeError',
+      message: 'The "value" argument must be one of type number or string ' +
+               'or an instance of Buffer or Uint8Array.' +
+               common.invalidArgTypeHelper(val)
+    }
+  );
+});
+
+// Test truncation of Number arguments to uint8
+// TODO(Soremwar)
+// Enable once multi byte number search is available
+// {
+//   const buf = Buffer.from('this is a test');
+//   assert.ok(buf.includes(0x6973));
+//   assert.ok(buf.includes(0x697320));
+//   assert.ok(buf.includes(0x69732069));
+//   assert.ok(buf.includes(0x697374657374));
+//   assert.ok(buf.includes(0x69737374));
+//   assert.ok(buf.includes(0x69737465));
+//   assert.ok(buf.includes(0x69737465));
+//   assert.ok(buf.includes(-140));
+//   assert.ok(buf.includes(-152));
+//   assert.ok(!buf.includes(0xff));
+//   assert.ok(!buf.includes(0xffff));
+// }