diff options
Diffstat (limited to 'js/binary/utils_test.js')
-rw-r--r-- | js/binary/utils_test.js | 75 |
1 files changed, 56 insertions, 19 deletions
diff --git a/js/binary/utils_test.js b/js/binary/utils_test.js index 5c330791..13450644 100644 --- a/js/binary/utils_test.js +++ b/js/binary/utils_test.js @@ -36,6 +36,7 @@ * @author aappleby@google.com (Austin Appleby) */ +goog.require('goog.crypt'); goog.require('goog.crypt.base64'); goog.require('goog.testing.asserts'); goog.require('jspb.BinaryConstants'); @@ -197,6 +198,41 @@ describe('binaryUtilsTest', function() { assertEquals('123456789123456789', result[2]); }); + /* + * Going from decimal strings to hash strings should be lossless. + */ + it('testDecimalToHashConversion', function() { + var result; + var convert = jspb.utils.decimalStringToHash64; + + result = convert('0'); + assertEquals(goog.crypt.byteArrayToString( + [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]), result); + + result = convert('-1'); + assertEquals(goog.crypt.byteArrayToString( + [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]), result); + + result = convert('18446744073709551615'); + assertEquals(goog.crypt.byteArrayToString( + [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]), result); + + result = convert('9223372036854775808'); + assertEquals(goog.crypt.byteArrayToString( + [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80]), result); + + result = convert('-9223372036854775808'); + assertEquals(goog.crypt.byteArrayToString( + [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80]), result); + + result = convert('123456789123456789'); + assertEquals(goog.crypt.byteArrayToString( + [0x15, 0x5F, 0xD0, 0xAC, 0x4B, 0x9B, 0xB6, 0x01]), result); + + result = convert('-123456789123456789'); + assertEquals(goog.crypt.byteArrayToString( + [0xEB, 0xA0, 0x2F, 0x53, 0xB4, 0x64, 0x49, 0xFE]), result); + }); /** * Going from hash strings to hex strings should be lossless. @@ -224,21 +260,21 @@ describe('binaryUtilsTest', function() { var convert = jspb.utils.hexStringToHash64; result = convert('0x0000000000000000'); - assertEquals(String.fromCharCode.apply(null, + assertEquals(goog.crypt.byteArrayToString( [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]), result); result = convert('0xffffffffffffffff'); - assertEquals(String.fromCharCode.apply(null, + assertEquals(goog.crypt.byteArrayToString( [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]), result); // Hex string is big-endian, hash string is little-endian. result = convert('0x123456789ABCDEF0'); - assertEquals(String.fromCharCode.apply(null, + assertEquals(goog.crypt.byteArrayToString( [0xF0, 0xDE, 0xBC, 0x9A, 0x78, 0x56, 0x34, 0x12]), result); // Capitalization should not matter. result = convert('0x0000abcdefABCDEF'); - assertEquals(String.fromCharCode.apply(null, + assertEquals(goog.crypt.byteArrayToString( [0xEF, 0xCD, 0xAB, 0xEF, 0xCD, 0xAB, 0x00, 0x00]), result); }); @@ -310,7 +346,7 @@ describe('binaryUtilsTest', function() { // NaN. jspb.utils.splitFloat32(NaN); if (!isNaN(jspb.utils.joinFloat32(jspb.utils.split64Low, - jspb.utils.split64High))) { + jspb.utils.split64High))) { throw 'fail!'; } @@ -324,7 +360,7 @@ describe('binaryUtilsTest', function() { if (opt_bits != jspb.utils.split64Low) throw 'fail!'; } if (truncate(x) != jspb.utils.joinFloat32(jspb.utils.split64Low, - jspb.utils.split64High)) { + jspb.utils.split64High)) { throw 'fail!'; } } @@ -376,7 +412,7 @@ describe('binaryUtilsTest', function() { // NaN. jspb.utils.splitFloat64(NaN); if (!isNaN(jspb.utils.joinFloat64(jspb.utils.split64Low, - jspb.utils.split64High))) { + jspb.utils.split64High))) { throw 'fail!'; } @@ -394,7 +430,7 @@ describe('binaryUtilsTest', function() { if (opt_lowBits != jspb.utils.split64Low) throw 'fail!'; } if (x != jspb.utils.joinFloat64(jspb.utils.split64Low, - jspb.utils.split64High)) { + jspb.utils.split64High)) { throw 'fail!'; } } @@ -439,16 +475,20 @@ describe('binaryUtilsTest', function() { * Tests counting packed varints. */ it('testCountVarints', function() { - var writer = new jspb.BinaryWriter(); - - var count = 0; + var values = []; for (var i = 1; i < 1000000000; i *= 1.1) { - writer.rawWriteVarint(Math.floor(i)); - count++; + values.push(Math.floor(i)); } + var writer = new jspb.BinaryWriter(); + writer.writePackedUint64(1, values); + var buffer = new Uint8Array(writer.getResultBuffer()); - assertEquals(count, jspb.utils.countVarints(buffer, 0, buffer.length)); + + // We should have two more varints than we started with - one for the field + // tag, one for the packed length. + assertEquals(values.length + 2, + jspb.utils.countVarints(buffer, 0, buffer.length)); }); @@ -604,7 +644,7 @@ describe('binaryUtilsTest', function() { var sourceBytes = new Uint8Array(sourceData); var sourceBuffer = sourceBytes.buffer; var sourceBase64 = goog.crypt.base64.encodeByteArray(sourceData); - var sourceString = String.fromCharCode.apply(null, sourceData); + var sourceString = goog.crypt.byteArrayToString(sourceData); function check(result) { assertEquals(Uint8Array, result.constructor); @@ -617,7 +657,7 @@ describe('binaryUtilsTest', function() { // Converting Uint8Arrays into Uint8Arrays should be a no-op. assertEquals(sourceBytes, convert(sourceBytes)); - // Converting Array.<numbers> into Uint8Arrays should work. + // Converting Array<numbers> into Uint8Arrays should work. check(convert(sourceData)); // Converting ArrayBuffers into Uint8Arrays should work. @@ -625,8 +665,5 @@ describe('binaryUtilsTest', function() { // Converting base64-encoded strings into Uint8Arrays should work. check(convert(sourceBase64)); - - // Converting binary-data strings into Uint8Arrays should work. - check(convert(sourceString, /* opt_stringIsRawBytes = */ true)); }); }); |