47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
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var tape = require("tape");
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var base64 = require("..");
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var strings = {
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"": "",
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"a": "YQ==",
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"ab": "YWI=",
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"abcdefg": "YWJjZGVmZw==",
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"abcdefgh": "YWJjZGVmZ2g=",
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"abcdefghi": "YWJjZGVmZ2hp"
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};
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tape.test("base64", function(test) {
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Object.keys(strings).forEach(function(str) {
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var enc = strings[str];
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test.equal(base64.test(enc), true, "should detect '" + enc + "' to be base64 encoded");
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var len = base64.length(enc);
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test.equal(len, str.length, "should calculate '" + enc + "' as " + str.length + " bytes");
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var buf = new Array(len);
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var len2 = base64.decode(enc, buf, 0);
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test.equal(len2, len, "should decode '" + enc + "' to " + len + " bytes");
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test.equal(String.fromCharCode.apply(String, buf), str, "should decode '" + enc + "' to '" + str + "'");
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var enc2 = base64.encode(buf, 0, buf.length);
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test.equal(enc2, enc, "should encode '" + str + "' to '" + enc + "'");
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});
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test.throws(function() {
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var buf = new Array(10);
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base64.decode("YQ!", buf, 0);
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}, Error, "should throw if encoding is invalid");
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test.throws(function() {
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var buf = new Array(10);
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base64.decode("Y", buf, 0);
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}, Error, "should throw if string is truncated");
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test.end();
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});
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