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test,buffer: refactor redeclarations
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Many variables in the buffer tests are redeclared. Change them so that
they are scoped appropriately.

PR-URL: #4893
Reviewed-By: Roman Reiss <[email protected]>
Reviewed-By: James M Snell <[email protected]>
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Trott authored and Myles Borins committed Feb 17, 2016
1 parent 670de1f commit 0327e50
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Showing 3 changed files with 652 additions and 554 deletions.
145 changes: 76 additions & 69 deletions test/parallel/test-buffer-indexof.js
Original file line number Diff line number Diff line change
Expand Up @@ -110,16 +110,17 @@ assert.equal(
Buffer(b.toString('binary'), 'binary')
.indexOf(Buffer('d', 'binary'), 0, 'binary'), 3);


// test usc2 encoding
var twoByteString = new Buffer('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');

assert.equal(8, twoByteString.indexOf('\u0395', 4, 'ucs2'));
assert.equal(6, twoByteString.indexOf('\u03a3', -4, 'ucs2'));
assert.equal(4, twoByteString.indexOf('\u03a3', -6, 'ucs2'));
assert.equal(4, twoByteString.indexOf(
new Buffer('\u03a3', 'ucs2'), -6, 'ucs2'));
assert.equal(-1, twoByteString.indexOf('\u03a3', -2, 'ucs2'));
{
// test usc2 encoding
const twoByteString = new Buffer('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');

assert.equal(8, twoByteString.indexOf('\u0395', 4, 'ucs2'));
assert.equal(6, twoByteString.indexOf('\u03a3', -4, 'ucs2'));
assert.equal(4, twoByteString.indexOf('\u03a3', -6, 'ucs2'));
assert.equal(4, twoByteString.indexOf(
new Buffer('\u03a3', 'ucs2'), -6, 'ucs2'));
assert.equal(-1, twoByteString.indexOf('\u03a3', -2, 'ucs2'));
}

var mixedByteStringUcs2 =
new Buffer('\u039a\u0391abc\u03a3\u03a3\u0395', 'ucs2');
Expand All @@ -134,25 +135,27 @@ assert.equal(
assert.equal(
-1, mixedByteStringUcs2.indexOf(new Buffer('\u0396', 'ucs2'), 0, 'ucs2'));

var twoByteString = new Buffer('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');

// Test single char pattern
assert.equal(0, twoByteString.indexOf('\u039a', 0, 'ucs2'));
assert.equal(2, twoByteString.indexOf('\u0391', 0, 'ucs2'), 'Alpha');
assert.equal(4, twoByteString.indexOf('\u03a3', 0, 'ucs2'), 'First Sigma');
assert.equal(6, twoByteString.indexOf('\u03a3', 6, 'ucs2'), 'Second Sigma');
assert.equal(8, twoByteString.indexOf('\u0395', 0, 'ucs2'), 'Epsilon');
assert.equal(-1, twoByteString.indexOf('\u0392', 0, 'ucs2'), 'Not beta');

// Test multi-char pattern
assert.equal(
0, twoByteString.indexOf('\u039a\u0391', 0, 'ucs2'), 'Lambda Alpha');
assert.equal(
2, twoByteString.indexOf('\u0391\u03a3', 0, 'ucs2'), 'Alpha Sigma');
assert.equal(
4, twoByteString.indexOf('\u03a3\u03a3', 0, 'ucs2'), 'Sigma Sigma');
assert.equal(
6, twoByteString.indexOf('\u03a3\u0395', 0, 'ucs2'), 'Sigma Epsilon');
{
const twoByteString = new Buffer('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');

// Test single char pattern
assert.equal(0, twoByteString.indexOf('\u039a', 0, 'ucs2'));
assert.equal(2, twoByteString.indexOf('\u0391', 0, 'ucs2'), 'Alpha');
assert.equal(4, twoByteString.indexOf('\u03a3', 0, 'ucs2'), 'First Sigma');
assert.equal(6, twoByteString.indexOf('\u03a3', 6, 'ucs2'), 'Second Sigma');
assert.equal(8, twoByteString.indexOf('\u0395', 0, 'ucs2'), 'Epsilon');
assert.equal(-1, twoByteString.indexOf('\u0392', 0, 'ucs2'), 'Not beta');

// Test multi-char pattern
assert.equal(
0, twoByteString.indexOf('\u039a\u0391', 0, 'ucs2'), 'Lambda Alpha');
assert.equal(
2, twoByteString.indexOf('\u0391\u03a3', 0, 'ucs2'), 'Alpha Sigma');
assert.equal(
4, twoByteString.indexOf('\u03a3\u03a3', 0, 'ucs2'), 'Sigma Sigma');
assert.equal(
6, twoByteString.indexOf('\u03a3\u0395', 0, 'ucs2'), 'Sigma Epsilon');
}

var mixedByteStringUtf8 = new Buffer('\u039a\u0391abc\u03a3\u03a3\u0395');
assert.equal(5, mixedByteStringUtf8.indexOf('bc'));
Expand All @@ -165,16 +168,16 @@ assert.equal(-1, mixedByteStringUtf8.indexOf('\u0396'));
// Test complex string indexOf algorithms. Only trigger for long strings.
// Long string that isn't a simple repeat of a shorter string.
var longString = 'A';
for (var i = 66; i < 76; i++) { // from 'B' to 'K'
for (let i = 66; i < 76; i++) { // from 'B' to 'K'
longString = longString + String.fromCharCode(i) + longString;
}

var longBufferString = new Buffer(longString);

// pattern of 15 chars, repeated every 16 chars in long
var pattern = 'ABACABADABACABA';
for (var i = 0; i < longBufferString.length - pattern.length; i += 7) {
var index = longBufferString.indexOf(pattern, i);
for (let i = 0; i < longBufferString.length - pattern.length; i += 7) {
const index = longBufferString.indexOf(pattern, i);
assert.equal((i + 15) & ~0xf, index, 'Long ABACABA...-string at index ' + i);
}
assert.equal(510, longBufferString.indexOf('AJABACA'), 'Long AJABACA, First J');
Expand All @@ -195,7 +198,7 @@ assert.equal(3, asciiString.indexOf('leb', 0));

// Search in string containing many non-ASCII chars.
var allCodePoints = [];
for (var i = 0; i < 65536; i++) allCodePoints[i] = i;
for (let i = 0; i < 65536; i++) allCodePoints[i] = i;
var allCharsString = String.fromCharCode.apply(String, allCodePoints);
var allCharsBufferUtf8 = new Buffer(allCharsString);
var allCharsBufferUcs2 = new Buffer(allCharsString, 'ucs2');
Expand All @@ -205,50 +208,54 @@ var allCharsBufferUcs2 = new Buffer(allCharsString, 'ucs2');
assert.equal(-1, allCharsBufferUtf8.indexOf('notfound'));
assert.equal(-1, allCharsBufferUcs2.indexOf('notfound'));

// Find substrings in Utf8.
var lengths = [1, 3, 15]; // Single char, simple and complex.
var indices = [0x5, 0x60, 0x400, 0x680, 0x7ee, 0xFF02, 0x16610, 0x2f77b];
for (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
for (var i = 0; i < indices.length; i++) {
var index = indices[i];
var length = lengths[lengthIndex];
{
// Find substrings in Utf8.
const lengths = [1, 3, 15]; // Single char, simple and complex.
const 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 > 0x7F) {
length = 2 * length;
}

if (index + length > 0x7FF) {
length = 3 * length;
}
if (index + length > 0x7FF) {
length = 3 * length;
}

if (index + length > 0xFFFF) {
length = 4 * length;
}
if (index + length > 0xFFFF) {
length = 4 * length;
}

var patternBufferUtf8 = allCharsBufferUtf8.slice(index, index + length);
assert.equal(index, allCharsBufferUtf8.indexOf(patternBufferUtf8));
var patternBufferUtf8 = allCharsBufferUtf8.slice(index, index + length);
assert.equal(index, allCharsBufferUtf8.indexOf(patternBufferUtf8));

var patternStringUtf8 = patternBufferUtf8.toString();
assert.equal(index, allCharsBufferUtf8.indexOf(patternStringUtf8));
var patternStringUtf8 = patternBufferUtf8.toString();
assert.equal(index, allCharsBufferUtf8.indexOf(patternStringUtf8));
}
}
}

// Find substrings in Usc2.
var lengths = [2, 4, 16]; // Single char, simple and complex.
var indices = [0x5, 0x65, 0x105, 0x205, 0x285, 0x2005, 0x2085, 0xfff0];
for (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
for (var i = 0; i < indices.length; i++) {
var index = indices[i] * 2;
var length = lengths[lengthIndex];

var patternBufferUcs2 =
allCharsBufferUcs2.slice(index, index + length);
assert.equal(
index, allCharsBufferUcs2.indexOf(patternBufferUcs2, 0, 'ucs2'));

var patternStringUcs2 = patternBufferUcs2.toString('ucs2');
assert.equal(
index, allCharsBufferUcs2.indexOf(patternStringUcs2, 0, 'ucs2'));
{
// Find substrings in Usc2.
const lengths = [2, 4, 16]; // Single char, simple and complex.
const 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];

var patternBufferUcs2 =
allCharsBufferUcs2.slice(index, index + length);
assert.equal(
index, allCharsBufferUcs2.indexOf(patternBufferUcs2, 0, 'ucs2'));

var patternStringUcs2 = patternBufferUcs2.toString('ucs2');
assert.equal(
index, allCharsBufferUcs2.indexOf(patternStringUcs2, 0, 'ucs2'));
}
}
}

Expand Down
2 changes: 1 addition & 1 deletion test/parallel/test-buffer-iterator.js
Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ assert.deepEqual(arr, [0, 1, 2, 3, 4]);

arr = [];

for (var b of buffer.entries())
for (b of buffer.entries())
arr.push(b);

assert.deepEqual(arr, [
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