38 lines
958 B
JavaScript
38 lines
958 B
JavaScript
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if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
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var B = require('../').Buffer
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var test = require('tape')
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test('modifying buffer created by .slice() modifies original memory', function (t) {
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if (!B.TYPED_ARRAY_SUPPORT) return t.end()
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var buf1 = new B(26)
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for (var i = 0; i < 26; i++) {
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buf1[i] = i + 97 // 97 is ASCII a
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}
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var buf2 = buf1.slice(0, 3)
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t.equal(buf2.toString('ascii', 0, buf2.length), 'abc')
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buf2[0] = '!'.charCodeAt(0)
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t.equal(buf1.toString('ascii', 0, buf2.length), '!bc')
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t.end()
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})
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test('modifying parent buffer modifies .slice() buffer\'s memory', function (t) {
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if (!B.TYPED_ARRAY_SUPPORT) return t.end()
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var buf1 = new B(26)
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for (var i = 0; i < 26; i++) {
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buf1[i] = i + 97 // 97 is ASCII a
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}
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var buf2 = buf1.slice(0, 3)
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t.equal(buf2.toString('ascii', 0, buf2.length), 'abc')
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buf1[0] = '!'.charCodeAt(0)
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t.equal(buf2.toString('ascii', 0, buf2.length), '!bc')
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t.end()
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})
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