diff options
Diffstat (limited to 'js/compatibility_tests/v3.1.0/binary/utils_test.js')
| -rw-r--r-- | js/compatibility_tests/v3.1.0/binary/utils_test.js | 668 |
1 files changed, 668 insertions, 0 deletions
diff --git a/js/compatibility_tests/v3.1.0/binary/utils_test.js b/js/compatibility_tests/v3.1.0/binary/utils_test.js new file mode 100644 index 00000000..d27e5ea2 --- /dev/null +++ b/js/compatibility_tests/v3.1.0/binary/utils_test.js @@ -0,0 +1,668 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +/** + * @fileoverview Test cases for jspb's helper functions. + * + * Test suite is written using Jasmine -- see http://jasmine.github.io/ + * + * @author aappleby@google.com (Austin Appleby) + */ + +goog.require('goog.crypt.base64'); +goog.require('goog.testing.asserts'); +goog.require('jspb.BinaryConstants'); +goog.require('jspb.BinaryWriter'); +goog.require('jspb.utils'); + + +/** + * @param {number} x + * @return {number} + */ +function truncate(x) { + var temp = new Float32Array(1); + temp[0] = x; + return temp[0]; +} + + +/** + * Converts an 64-bit integer in split representation to a 64-bit hash string + * (8 bits encoded per character). + * @param {number} bitsLow The low 32 bits of the split 64-bit integer. + * @param {number} bitsHigh The high 32 bits of the split 64-bit integer. + * @return {string} The encoded hash string, 8 bits per character. + */ +function toHashString(bitsLow, bitsHigh) { + return String.fromCharCode((bitsLow >>> 0) & 0xFF, + (bitsLow >>> 8) & 0xFF, + (bitsLow >>> 16) & 0xFF, + (bitsLow >>> 24) & 0xFF, + (bitsHigh >>> 0) & 0xFF, + (bitsHigh >>> 8) & 0xFF, + (bitsHigh >>> 16) & 0xFF, + (bitsHigh >>> 24) & 0xFF); +} + + +describe('binaryUtilsTest', function() { + /** + * Tests lossless binary-to-decimal conversion. + */ + it('testDecimalConversion', function() { + // Check some magic numbers. + var result = + jspb.utils.joinUnsignedDecimalString(0x89e80001, 0x8ac72304); + assertEquals('10000000000000000001', result); + + result = jspb.utils.joinUnsignedDecimalString(0xacd05f15, 0x1b69b4b); + assertEquals('123456789123456789', result); + + result = jspb.utils.joinUnsignedDecimalString(0xeb1f0ad2, 0xab54a98c); + assertEquals('12345678901234567890', result); + + result = jspb.utils.joinUnsignedDecimalString(0xe3b70cb1, 0x891087b8); + assertEquals('9876543210987654321', result); + + // Check limits. + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x00000000); + assertEquals('0', result); + + result = jspb.utils.joinUnsignedDecimalString(0xFFFFFFFF, 0xFFFFFFFF); + assertEquals('18446744073709551615', result); + + // Check each bit of the low dword. + for (var i = 0; i < 32; i++) { + var low = (1 << i) >>> 0; + result = jspb.utils.joinUnsignedDecimalString(low, 0); + assertEquals('' + Math.pow(2, i), result); + } + + // Check the first 20 bits of the high dword. + for (var i = 0; i < 20; i++) { + var high = (1 << i) >>> 0; + result = jspb.utils.joinUnsignedDecimalString(0, high); + assertEquals('' + Math.pow(2, 32 + i), result); + } + + // V8's internal double-to-string conversion is inaccurate for values above + // 2^52, even if they're representable integers - check the rest of the bits + // manually against the correct string representations of 2^N. + + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x00100000); + assertEquals('4503599627370496', result); + + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x00200000); + assertEquals('9007199254740992', result); + + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x00400000); + assertEquals('18014398509481984', result); + + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x00800000); + assertEquals('36028797018963968', result); + + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x01000000); + assertEquals('72057594037927936', result); + + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x02000000); + assertEquals('144115188075855872', result); + + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x04000000); + assertEquals('288230376151711744', result); + + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x08000000); + assertEquals('576460752303423488', result); + + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x10000000); + assertEquals('1152921504606846976', result); + + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x20000000); + assertEquals('2305843009213693952', result); + + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x40000000); + assertEquals('4611686018427387904', result); + + result = jspb.utils.joinUnsignedDecimalString(0x00000000, 0x80000000); + assertEquals('9223372036854775808', result); + }); + + + /** + * Going from hash strings to decimal strings should also be lossless. + */ + it('testHashToDecimalConversion', function() { + var result; + var convert = jspb.utils.hash64ToDecimalString; + + result = convert(toHashString(0x00000000, 0x00000000), false); + assertEquals('0', result); + + result = convert(toHashString(0x00000000, 0x00000000), true); + assertEquals('0', result); + + result = convert(toHashString(0xFFFFFFFF, 0xFFFFFFFF), false); + assertEquals('18446744073709551615', result); + + result = convert(toHashString(0xFFFFFFFF, 0xFFFFFFFF), true); + assertEquals('-1', result); + + result = convert(toHashString(0x00000000, 0x80000000), false); + assertEquals('9223372036854775808', result); + + result = convert(toHashString(0x00000000, 0x80000000), true); + assertEquals('-9223372036854775808', result); + + result = convert(toHashString(0xacd05f15, 0x01b69b4b), false); + assertEquals('123456789123456789', result); + + result = convert(toHashString(~0xacd05f15 + 1, ~0x01b69b4b), true); + assertEquals('-123456789123456789', result); + + // And converting arrays of hashes should work the same way. + result = jspb.utils.hash64ArrayToDecimalStrings([ + toHashString(0xFFFFFFFF, 0xFFFFFFFF), + toHashString(0x00000000, 0x80000000), + toHashString(0xacd05f15, 0x01b69b4b)], false); + assertEquals(3, result.length); + assertEquals('18446744073709551615', result[0]); + assertEquals('9223372036854775808', result[1]); + 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(String.fromCharCode.apply(null, + [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]), result); + + result = convert('-1'); + assertEquals(String.fromCharCode.apply(null, + [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]), result); + + result = convert('18446744073709551615'); + assertEquals(String.fromCharCode.apply(null, + [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]), result); + + result = convert('9223372036854775808'); + assertEquals(String.fromCharCode.apply(null, + [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80]), result); + + result = convert('-9223372036854775808'); + assertEquals(String.fromCharCode.apply(null, + [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80]), result); + + result = convert('123456789123456789'); + assertEquals(String.fromCharCode.apply(null, + [0x15, 0x5F, 0xD0, 0xAC, 0x4B, 0x9B, 0xB6, 0x01]), result); + + result = convert('-123456789123456789'); + assertEquals(String.fromCharCode.apply(null, + [0xEB, 0xA0, 0x2F, 0x53, 0xB4, 0x64, 0x49, 0xFE]), result); + }); + + /** + * Going from hash strings to hex strings should be lossless. + */ + it('testHashToHexConversion', function() { + var result; + var convert = jspb.utils.hash64ToHexString; + + result = convert(toHashString(0x00000000, 0x00000000)); + assertEquals('0x0000000000000000', result); + + result = convert(toHashString(0xFFFFFFFF, 0xFFFFFFFF)); + assertEquals('0xffffffffffffffff', result); + + result = convert(toHashString(0x12345678, 0x9ABCDEF0)); + assertEquals('0x9abcdef012345678', result); + }); + + + /** + * Going from hex strings to hash strings should be lossless. + */ + it('testHexToHashConversion', function() { + var result; + var convert = jspb.utils.hexStringToHash64; + + result = convert('0x0000000000000000'); + assertEquals(String.fromCharCode.apply(null, + [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]), result); + + result = convert('0xffffffffffffffff'); + assertEquals(String.fromCharCode.apply(null, + [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, + [0xF0, 0xDE, 0xBC, 0x9A, 0x78, 0x56, 0x34, 0x12]), result); + + // Capitalization should not matter. + result = convert('0x0000abcdefABCDEF'); + assertEquals(String.fromCharCode.apply(null, + [0xEF, 0xCD, 0xAB, 0xEF, 0xCD, 0xAB, 0x00, 0x00]), result); + }); + + + /** + * Going from numbers to hash strings should be lossless for up to 53 bits of + * precision. + */ + it('testNumberToHashConversion', function() { + var result; + var convert = jspb.utils.numberToHash64; + + result = convert(0x0000000000000); + assertEquals('0x0000000000000000', jspb.utils.hash64ToHexString(result)); + + result = convert(0xFFFFFFFFFFFFF); + assertEquals('0x000fffffffffffff', jspb.utils.hash64ToHexString(result)); + + result = convert(0x123456789ABCD); + assertEquals('0x000123456789abcd', jspb.utils.hash64ToHexString(result)); + + result = convert(0xDCBA987654321); + assertEquals('0x000dcba987654321', jspb.utils.hash64ToHexString(result)); + + // 53 bits of precision should not be truncated. + result = convert(0x10000000000001); + assertEquals('0x0010000000000001', jspb.utils.hash64ToHexString(result)); + + // 54 bits of precision should be truncated. + result = convert(0x20000000000001); + assertNotEquals( + '0x0020000000000001', jspb.utils.hash64ToHexString(result)); + }); + + + /** + * Sanity check the behavior of Javascript's strings when doing funny things + * with unicode characters. + */ + it('sanityCheckUnicodeStrings', function() { + var strings = new Array(65536); + + // All possible unsigned 16-bit values should be storable in a string, they + // shouldn't do weird things with the length of the string, and they should + // come back out of the string unchanged. + for (var i = 0; i < 65536; i++) { + strings[i] = 'a' + String.fromCharCode(i) + 'a'; + if (3 != strings[i].length) throw 'fail!'; + if (i != strings[i].charCodeAt(1)) throw 'fail!'; + } + + // Each unicode character should compare equal to itself and not equal to a + // different unicode character. + for (var i = 0; i < 65536; i++) { + if (strings[i] != strings[i]) throw 'fail!'; + if (strings[i] == strings[(i + 1) % 65536]) throw 'fail!'; + } + }); + + + /** + * Tests conversion from 32-bit floating point numbers to split64 numbers. + */ + it('testFloat32ToSplit64', function() { + var f32_eps = jspb.BinaryConstants.FLOAT32_EPS; + var f32_min = jspb.BinaryConstants.FLOAT32_MIN; + var f32_max = jspb.BinaryConstants.FLOAT32_MAX; + + // NaN. + jspb.utils.splitFloat32(NaN); + if (!isNaN(jspb.utils.joinFloat32(jspb.utils.split64Low, + jspb.utils.split64High))) { + throw 'fail!'; + } + + /** + * @param {number} x + * @param {number=} opt_bits + */ + function test(x, opt_bits) { + jspb.utils.splitFloat32(x); + if (goog.isDef(opt_bits)) { + if (opt_bits != jspb.utils.split64Low) throw 'fail!'; + } + if (truncate(x) != jspb.utils.joinFloat32(jspb.utils.split64Low, + jspb.utils.split64High)) { + throw 'fail!'; + } + } + + // Positive and negative infinity. + test(Infinity, 0x7f800000); + test(-Infinity, 0xff800000); + + // Positive and negative zero. + test(0, 0x00000000); + test(-0, 0x80000000); + + // Positive and negative epsilon. + test(f32_eps, 0x00000001); + test(-f32_eps, 0x80000001); + + // Positive and negative min. + test(f32_min, 0x00800000); + test(-f32_min, 0x80800000); + + // Positive and negative max. + test(f32_max, 0x7F7FFFFF); + test(-f32_max, 0xFF7FFFFF); + + // Various positive values. + var cursor = f32_eps * 10; + while (cursor != Infinity) { + test(cursor); + cursor *= 1.1; + } + + // Various negative values. + cursor = -f32_eps * 10; + while (cursor != -Infinity) { + test(cursor); + cursor *= 1.1; + } + }); + + + /** + * Tests conversion from 64-bit floating point numbers to split64 numbers. + */ + it('testFloat64ToSplit64', function() { + var f64_eps = jspb.BinaryConstants.FLOAT64_EPS; + var f64_min = jspb.BinaryConstants.FLOAT64_MIN; + var f64_max = jspb.BinaryConstants.FLOAT64_MAX; + + // NaN. + jspb.utils.splitFloat64(NaN); + if (!isNaN(jspb.utils.joinFloat64(jspb.utils.split64Low, + jspb.utils.split64High))) { + throw 'fail!'; + } + + /** + * @param {number} x + * @param {number=} opt_highBits + * @param {number=} opt_lowBits + */ + function test(x, opt_highBits, opt_lowBits) { + jspb.utils.splitFloat64(x); + if (goog.isDef(opt_highBits)) { + if (opt_highBits != jspb.utils.split64High) throw 'fail!'; + } + if (goog.isDef(opt_lowBits)) { + if (opt_lowBits != jspb.utils.split64Low) throw 'fail!'; + } + if (x != jspb.utils.joinFloat64(jspb.utils.split64Low, + jspb.utils.split64High)) { + throw 'fail!'; + } + } + + // Positive and negative infinity. + test(Infinity, 0x7ff00000, 0x00000000); + test(-Infinity, 0xfff00000, 0x00000000); + + // Positive and negative zero. + test(0, 0x00000000, 0x00000000); + test(-0, 0x80000000, 0x00000000); + + // Positive and negative epsilon. + test(f64_eps, 0x00000000, 0x00000001); + test(-f64_eps, 0x80000000, 0x00000001); + + // Positive and negative min. + test(f64_min, 0x00100000, 0x00000000); + test(-f64_min, 0x80100000, 0x00000000); + + // Positive and negative max. + test(f64_max, 0x7FEFFFFF, 0xFFFFFFFF); + test(-f64_max, 0xFFEFFFFF, 0xFFFFFFFF); + + // Various positive values. + var cursor = f64_eps * 10; + while (cursor != Infinity) { + test(cursor); + cursor *= 1.1; + } + + // Various negative values. + cursor = -f64_eps * 10; + while (cursor != -Infinity) { + test(cursor); + cursor *= 1.1; + } + }); + + + /** + * Tests counting packed varints. + */ + it('testCountVarints', function() { + var values = []; + for (var i = 1; i < 1000000000; i *= 1.1) { + values.push(Math.floor(i)); + } + + var writer = new jspb.BinaryWriter(); + writer.writePackedUint64(1, values); + + var buffer = new Uint8Array(writer.getResultBuffer()); + + // 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)); + }); + + + /** + * Tests counting matching varint fields. + */ + it('testCountVarintFields', function() { + var writer = new jspb.BinaryWriter(); + + var count = 0; + for (var i = 1; i < 1000000000; i *= 1.1) { + writer.writeUint64(1, Math.floor(i)); + count++; + } + writer.writeString(2, 'terminator'); + + var buffer = new Uint8Array(writer.getResultBuffer()); + assertEquals(count, + jspb.utils.countVarintFields(buffer, 0, buffer.length, 1)); + + writer = new jspb.BinaryWriter(); + + count = 0; + for (var i = 1; i < 1000000000; i *= 1.1) { + writer.writeUint64(123456789, Math.floor(i)); + count++; + } + writer.writeString(2, 'terminator'); + + buffer = new Uint8Array(writer.getResultBuffer()); + assertEquals(count, + jspb.utils.countVarintFields(buffer, 0, buffer.length, 123456789)); + }); + + + /** + * Tests counting matching fixed32 fields. + */ + it('testCountFixed32Fields', function() { + var writer = new jspb.BinaryWriter(); + + var count = 0; + for (var i = 1; i < 1000000000; i *= 1.1) { + writer.writeFixed32(1, Math.floor(i)); + count++; + } + writer.writeString(2, 'terminator'); + + var buffer = new Uint8Array(writer.getResultBuffer()); + assertEquals(count, + jspb.utils.countFixed32Fields(buffer, 0, buffer.length, 1)); + + writer = new jspb.BinaryWriter(); + + count = 0; + for (var i = 1; i < 1000000000; i *= 1.1) { + writer.writeFixed32(123456789, Math.floor(i)); + count++; + } + writer.writeString(2, 'terminator'); + + buffer = new Uint8Array(writer.getResultBuffer()); + assertEquals(count, + jspb.utils.countFixed32Fields(buffer, 0, buffer.length, 123456789)); + }); + + + /** + * Tests counting matching fixed64 fields. + */ + it('testCountFixed64Fields', function() { + var writer = new jspb.BinaryWriter(); + + var count = 0; + for (var i = 1; i < 1000000000; i *= 1.1) { + writer.writeDouble(1, i); + count++; + } + writer.writeString(2, 'terminator'); + + var buffer = new Uint8Array(writer.getResultBuffer()); + assertEquals(count, + jspb.utils.countFixed64Fields(buffer, 0, buffer.length, 1)); + + writer = new jspb.BinaryWriter(); + + count = 0; + for (var i = 1; i < 1000000000; i *= 1.1) { + writer.writeDouble(123456789, i); + count++; + } + writer.writeString(2, 'terminator'); + + buffer = new Uint8Array(writer.getResultBuffer()); + assertEquals(count, + jspb.utils.countFixed64Fields(buffer, 0, buffer.length, 123456789)); + }); + + + /** + * Tests counting matching delimited fields. + */ + it('testCountDelimitedFields', function() { + var writer = new jspb.BinaryWriter(); + + var count = 0; + for (var i = 1; i < 1000; i *= 1.1) { + writer.writeBytes(1, [Math.floor(i)]); + count++; + } + writer.writeString(2, 'terminator'); + + var buffer = new Uint8Array(writer.getResultBuffer()); + assertEquals(count, + jspb.utils.countDelimitedFields(buffer, 0, buffer.length, 1)); + + writer = new jspb.BinaryWriter(); + + count = 0; + for (var i = 1; i < 1000; i *= 1.1) { + writer.writeBytes(123456789, [Math.floor(i)]); + count++; + } + writer.writeString(2, 'terminator'); + + buffer = new Uint8Array(writer.getResultBuffer()); + assertEquals(count, + jspb.utils.countDelimitedFields(buffer, 0, buffer.length, 123456789)); + }); + + + /** + * Tests byte format for debug strings. + */ + it('testDebugBytesToTextFormat', function() { + assertEquals('""', jspb.utils.debugBytesToTextFormat(null)); + assertEquals('"\\x00\\x10\\xff"', + jspb.utils.debugBytesToTextFormat([0, 16, 255])); + }); + + + /** + * Tests converting byte blob sources into byte blobs. + */ + it('testByteSourceToUint8Array', function() { + var convert = jspb.utils.byteSourceToUint8Array; + + var sourceData = []; + for (var i = 0; i < 256; i++) { + sourceData.push(i); + } + + var sourceBytes = new Uint8Array(sourceData); + var sourceBuffer = sourceBytes.buffer; + var sourceBase64 = goog.crypt.base64.encodeByteArray(sourceData); + var sourceString = String.fromCharCode.apply(null, sourceData); + + function check(result) { + assertEquals(Uint8Array, result.constructor); + assertEquals(sourceData.length, result.length); + for (var i = 0; i < result.length; i++) { + assertEquals(sourceData[i], result[i]); + } + } + + // Converting Uint8Arrays into Uint8Arrays should be a no-op. + assertEquals(sourceBytes, convert(sourceBytes)); + + // Converting Array.<numbers> into Uint8Arrays should work. + check(convert(sourceData)); + + // Converting ArrayBuffers into Uint8Arrays should work. + check(convert(sourceBuffer)); + + // Converting base64-encoded strings into Uint8Arrays should work. + check(convert(sourceBase64)); + }); +}); |