52 lines
1.8 KiB
JavaScript
52 lines
1.8 KiB
JavaScript
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/* globals jasmine, expect, it, describe, MurmurHash3_64 */
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'use strict';
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describe('MurmurHash3_64', function() {
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it('instantiates without seed', function() {
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var hash = new MurmurHash3_64();
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expect(hash).toEqual(jasmine.any(MurmurHash3_64));
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});
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it('instantiates with seed', function() {
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var hash = new MurmurHash3_64(1);
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expect(hash).toEqual(jasmine.any(MurmurHash3_64));
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});
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var hexDigestExpected = 'f61cfdbfdae0f65e';
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var sourceText = 'test';
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var sourceCharCodes = [116, 101, 115, 116]; // 't','e','s','t'
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it('correctly generates a hash from a string', function() {
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var hash = new MurmurHash3_64();
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hash.update(sourceText);
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expect(hash.hexdigest()).toEqual(hexDigestExpected);
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});
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it('correctly generates a hash from a Uint8Array', function() {
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var hash = new MurmurHash3_64();
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hash.update(new Uint8Array(sourceCharCodes));
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expect(hash.hexdigest()).toEqual(hexDigestExpected);
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});
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it('correctly generates a hash from a Uint32Array', function() {
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var hash = new MurmurHash3_64();
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hash.update(new Uint32Array(sourceCharCodes));
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expect(hash.hexdigest()).toEqual(hexDigestExpected);
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});
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it('changes the hash after update without seed', function() {
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var hash = new MurmurHash3_64();
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var hexdigest1, hexdigest2;
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hash.update(sourceText);
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hexdigest1 = hash.hexdigest();
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hash.update(sourceText);
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hexdigest2 = hash.hexdigest();
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expect(hexdigest1).not.toEqual(hexdigest2);
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});
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it('changes the hash after update with seed', function() {
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var hash = new MurmurHash3_64(1);
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var hexdigest1, hexdigest2;
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hash.update(sourceText);
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hexdigest1 = hash.hexdigest();
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hash.update(sourceText);
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hexdigest2 = hash.hexdigest();
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expect(hexdigest1).not.toEqual(hexdigest2);
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});
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});
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