services/common/tests/unit/test_utils_convert_string.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/services/common/tests/unit/test_utils_convert_string.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,132 @@
     1.4 +/* Any copyright is dedicated to the Public Domain.
     1.5 +   http://creativecommons.org/publicdomain/zero/1.0/ */
     1.6 +
     1.7 +"use strict";
     1.8 +
     1.9 +Cu.import("resource://services-common/utils.js");
    1.10 +
    1.11 +// A wise line of Greek verse, and the utf-8 byte encoding.
    1.12 +// N.b., Greek begins at utf-8 ce 91
    1.13 +const TEST_STR = "πόλλ' οἶδ' ἀλώπηξ, ἀλλ' ἐχῖνος ἓν μέγα";
    1.14 +const TEST_HEX = h("cf 80 cf 8c ce bb ce bb   27 20 ce bf e1 bc b6 ce"+
    1.15 +                   "b4 27 20 e1 bc 80 ce bb   cf 8e cf 80 ce b7 ce be"+
    1.16 +                   "2c 20 e1 bc 80 ce bb ce   bb 27 20 e1 bc 90 cf 87"+
    1.17 +                   "e1 bf 96 ce bd ce bf cf   82 20 e1 bc 93 ce bd 20"+
    1.18 +                   "ce bc ce ad ce b3 ce b1");
    1.19 +// Integer byte values for the above
    1.20 +const TEST_BYTES = [207,128,207,140,206,187,206,187,
    1.21 +                     39, 32,206,191,225,188,182,206,
    1.22 +                    180, 39, 32,225,188,128,206,187,
    1.23 +                    207,142,207,128,206,183,206,190,
    1.24 +                     44, 32,225,188,128,206,187,206,
    1.25 +                    187, 39, 32,225,188,144,207,135,
    1.26 +                    225,191,150,206,189,206,191,207,
    1.27 +                    130, 32,225,188,147,206,189, 32,
    1.28 +                    206,188,206,173,206,179,206,177];
    1.29 +
    1.30 +function run_test() {
    1.31 +  run_next_test();
    1.32 +}
    1.33 +
    1.34 +add_test(function test_compress_string() {
    1.35 +  const INPUT = "hello";
    1.36 +
    1.37 +  let result = CommonUtils.convertString(INPUT, "uncompressed", "deflate");
    1.38 +  do_check_eq(result.length, 13);
    1.39 +
    1.40 +  let result2 = CommonUtils.convertString(INPUT, "uncompressed", "deflate");
    1.41 +  do_check_eq(result, result2);
    1.42 +
    1.43 +  let result3 = CommonUtils.convertString(result, "deflate", "uncompressed");
    1.44 +  do_check_eq(result3, INPUT);
    1.45 +
    1.46 +  run_next_test();
    1.47 +});
    1.48 +
    1.49 +add_test(function test_compress_utf8() {
    1.50 +  const INPUT = "Árvíztűrő tükörfúrógép いろはにほへとちりぬるを Pijamalı hasta, yağız şoföre çabucak güvendi.";
    1.51 +  let inputUTF8 = CommonUtils.encodeUTF8(INPUT);
    1.52 +
    1.53 +  let compressed = CommonUtils.convertString(inputUTF8, "uncompressed", "deflate");
    1.54 +  let uncompressed = CommonUtils.convertString(compressed, "deflate", "uncompressed");
    1.55 +
    1.56 +  do_check_eq(uncompressed, inputUTF8);
    1.57 +
    1.58 +  let outputUTF8 = CommonUtils.decodeUTF8(uncompressed);
    1.59 +  do_check_eq(outputUTF8, INPUT);
    1.60 +
    1.61 +  run_next_test();
    1.62 +});
    1.63 +
    1.64 +add_test(function test_bad_argument() {
    1.65 +  let failed = false;
    1.66 +  try {
    1.67 +    CommonUtils.convertString(null, "uncompressed", "deflate");
    1.68 +  } catch (ex) {
    1.69 +    failed = true;
    1.70 +    do_check_true(ex.message.startsWith("Input string must be defined"));
    1.71 +  } finally {
    1.72 +    do_check_true(failed);
    1.73 +  }
    1.74 +
    1.75 +  run_next_test();
    1.76 +});
    1.77 +
    1.78 +add_task(function test_stringAsHex() {
    1.79 +  do_check_eq(TEST_HEX, CommonUtils.stringAsHex(TEST_STR));
    1.80 +});
    1.81 +
    1.82 +add_task(function test_hexAsString() {
    1.83 +  do_check_eq(TEST_STR, CommonUtils.hexAsString(TEST_HEX));
    1.84 +});
    1.85 +
    1.86 +add_task(function test_hexToBytes() {
    1.87 +  let bytes = CommonUtils.hexToBytes(TEST_HEX);
    1.88 +  do_check_eq(TEST_BYTES.length, bytes.length);
    1.89 +  // Ensure that the decimal values of each byte are correct
    1.90 +  do_check_true(arraysEqual(TEST_BYTES,
    1.91 +      CommonUtils.stringToByteArray(bytes)));
    1.92 +});
    1.93 +
    1.94 +add_task(function test_bytesToHex() {
    1.95 +  // Create a list of our character bytes from the reference int values
    1.96 +  let bytes = CommonUtils.byteArrayToString(TEST_BYTES);
    1.97 +  do_check_eq(TEST_HEX, CommonUtils.bytesAsHex(bytes));
    1.98 +});
    1.99 +
   1.100 +add_task(function test_stringToBytes() {
   1.101 +  do_check_true(arraysEqual(TEST_BYTES,
   1.102 +      CommonUtils.stringToByteArray(CommonUtils.stringToBytes(TEST_STR))));
   1.103 +});
   1.104 +
   1.105 +add_task(function test_stringRoundTrip() {
   1.106 +  do_check_eq(TEST_STR,
   1.107 +    CommonUtils.hexAsString(CommonUtils.stringAsHex(TEST_STR)));
   1.108 +});
   1.109 +
   1.110 +add_task(function test_hexRoundTrip() {
   1.111 +  do_check_eq(TEST_HEX,
   1.112 +    CommonUtils.stringAsHex(CommonUtils.hexAsString(TEST_HEX)));
   1.113 +});
   1.114 +
   1.115 +add_task(function test_byteArrayRoundTrip() {
   1.116 +  do_check_true(arraysEqual(TEST_BYTES,
   1.117 +    CommonUtils.stringToByteArray(CommonUtils.byteArrayToString(TEST_BYTES))));
   1.118 +});
   1.119 +
   1.120 +// turn formatted test vectors into normal hex strings
   1.121 +function h(hexStr) {
   1.122 +  return hexStr.replace(/\s+/g, "");
   1.123 +}
   1.124 +
   1.125 +function arraysEqual(a1, a2) {
   1.126 +  if (a1.length !== a2.length) {
   1.127 +    return false;
   1.128 +  }
   1.129 +  for (let i = 0; i < a1.length; i++) {
   1.130 +    if (a1[i] !== a2[i]) {
   1.131 +      return false;
   1.132 +    }
   1.133 +  }
   1.134 +  return true;
   1.135 +}

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