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test: correct order of args in buffer compare #23521

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test: correct order of args in buffer compare #23521

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test: correct order of args in buffer compare
Oct 12, 2018
9c1a595
test: correct order of args in buffer compare
rebolyte Oct 12, 2018
59c0ab0
Merge branch 'test-buffer-compare' of github.com:rebolyte/node into t…
rebolyte Oct 12, 2018
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40 changes: 20 additions & 20 deletions test/parallel/test-buffer-compare-offset.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,56 +6,56 @@ const assert = require('assert');
const a = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]);
const b = Buffer.from([5, 6, 7, 8, 9, 0, 1, 2, 3, 4]);

assert.strictEqual(-1, a.compare(b));
assert.strictEqual(a.compare(b), -1);

// Equivalent to a.compare(b).
assert.strictEqual(-1, a.compare(b, 0));
assert.strictEqual(-1, a.compare(b, '0'));
assert.strictEqual(-1, a.compare(b, undefined));
assert.strictEqual(a.compare(b, 0), -1);
assert.strictEqual(a.compare(b, '0'), -1);
assert.strictEqual(a.compare(b, undefined), -1);

// Equivalent to a.compare(b).
assert.strictEqual(-1, a.compare(b, 0, undefined, 0));
assert.strictEqual(a.compare(b, 0, undefined, 0), -1);

// Zero-length target, return 1
assert.strictEqual(1, a.compare(b, 0, 0, 0));
assert.strictEqual(1, a.compare(b, '0', '0', '0'));
assert.strictEqual(a.compare(b, 0, 0, 0), 1);
assert.strictEqual(a.compare(b, '0', '0', '0'), 1);

// Equivalent to Buffer.compare(a, b.slice(6, 10))
assert.strictEqual(1, a.compare(b, 6, 10));
assert.strictEqual(a.compare(b, 6, 10), 1);

// Zero-length source, return -1
assert.strictEqual(-1, a.compare(b, 6, 10, 0, 0));
assert.strictEqual(a.compare(b, 6, 10, 0, 0), -1);

// Zero-length source and target, return 0
assert.strictEqual(0, a.compare(b, 0, 0, 0, 0));
assert.strictEqual(0, a.compare(b, 1, 1, 2, 2));
assert.strictEqual(a.compare(b, 0, 0, 0, 0), 0);
assert.strictEqual(a.compare(b, 1, 1, 2, 2), 0);

// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 5))
assert.strictEqual(1, a.compare(b, 0, 5, 4));
assert.strictEqual(a.compare(b, 0, 5, 4), 1);

// Equivalent to Buffer.compare(a.slice(1), b.slice(5))
assert.strictEqual(1, a.compare(b, 5, undefined, 1));
assert.strictEqual(a.compare(b, 5, undefined, 1), 1);

// Equivalent to Buffer.compare(a.slice(2), b.slice(2, 4))
assert.strictEqual(-1, a.compare(b, 2, 4, 2));
assert.strictEqual(a.compare(b, 2, 4, 2), -1);

// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 7))
assert.strictEqual(-1, a.compare(b, 0, 7, 4));
assert.strictEqual(a.compare(b, 0, 7, 4), -1);

// Equivalent to Buffer.compare(a.slice(4, 6), b.slice(0, 7));
assert.strictEqual(-1, a.compare(b, 0, 7, 4, 6));
assert.strictEqual(a.compare(b, 0, 7, 4, 6), -1);

// zero length target
assert.strictEqual(1, a.compare(b, 0, null));
assert.strictEqual(a.compare(b, 0, null), 1);

// coerces to targetEnd == 5
assert.strictEqual(-1, a.compare(b, 0, { valueOf: () => 5 }));
assert.strictEqual(a.compare(b, 0, { valueOf: () => 5 }), -1);

// zero length target
assert.strictEqual(1, a.compare(b, Infinity, -Infinity));
assert.strictEqual(a.compare(b, Infinity, -Infinity), 1);

// zero length target because default for targetEnd <= targetSource
assert.strictEqual(1, a.compare(b, '0xff'));
assert.strictEqual(a.compare(b, '0xff'), 1);

const oor = common.expectsError({ code: 'ERR_OUT_OF_RANGE' }, 7);

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