52 lines
1 KiB
JavaScript
52 lines
1 KiB
JavaScript
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var test = require('tape'),
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b64 = require('../lib/b64'),
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checks = [
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'a',
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'aa',
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'aaa',
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'hi',
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'hi!',
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'hi!!',
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'sup',
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'sup?',
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'sup?!'
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];
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test('convert to base64 and back', function (t) {
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t.plan(checks.length);
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for (var i = 0; i < checks.length; i++) {
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var check = checks[i],
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b64Str,
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arr,
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str;
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b64Str = b64.fromByteArray(map(check, function (char) { return char.charCodeAt(0); }));
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arr = b64.toByteArray(b64Str);
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str = map(arr, function (byte) { return String.fromCharCode(byte); }).join('');
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t.equal(check, str, 'Checked ' + check);
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}
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});
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function map (arr, callback) {
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var res = [],
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kValue,
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mappedValue;
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for (var k = 0, len = arr.length; k < len; k++) {
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if ((typeof arr === 'string' && !!arr.charAt(k))) {
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kValue = arr.charAt(k);
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mappedValue = callback(kValue, k, arr);
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res[k] = mappedValue;
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} else if (typeof arr !== 'string' && k in arr) {
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kValue = arr[k];
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mappedValue = callback(kValue, k, arr);
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res[k] = mappedValue;
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}
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}
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return res;
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}
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