Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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354 lines
13 KiB
354 lines
13 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2008 Google Inc. All rights reserved. |
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// https://developers.google.com/protocol-buffers/ |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions are |
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// met: |
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// |
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// * Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// * Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following disclaimer |
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// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Google Inc. nor the names of its |
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// contributors may be used to endorse or promote products derived from |
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// this software without specific prior written permission. |
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// |
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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/** |
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* @fileoverview Test cases for Int64-manipulation functions. |
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* |
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* Test suite is written using Jasmine -- see http://jasmine.github.io/ |
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* |
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* @author cfallin@google.com (Chris Fallin) |
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*/ |
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goog.require('jspb.arith.Int64'); |
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goog.require('jspb.arith.UInt64'); |
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describe('binaryArithTest', function() { |
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/** |
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* Tests comparison operations. |
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*/ |
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it('testCompare', function() { |
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var a = new jspb.arith.UInt64(1234, 5678); |
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var b = new jspb.arith.UInt64(1234, 5678); |
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expect(a.cmp(b)).toEqual(0); |
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expect(b.cmp(a)).toEqual(0); |
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b.lo -= 1; |
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expect(a.cmp(b)).toEqual(1); |
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expect(b.cmp(a)).toEqual(-1); |
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b.lo += 2; |
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expect(a.cmp(b)).toEqual(-1); |
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expect(b.cmp(a)).toEqual(1); |
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b.lo = a.lo; |
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b.hi = a.hi - 1; |
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expect(a.cmp(b)).toEqual(1); |
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expect(b.cmp(a)).toEqual(-1); |
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expect(a.zero()).toEqual(false); |
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expect(a.msb()).toEqual(false); |
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expect(a.lsb()).toEqual(false); |
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a.hi = 0; |
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a.lo = 0; |
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expect(a.zero()).toEqual(true); |
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a.hi = 0x80000000; |
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expect(a.zero()).toEqual(false); |
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expect(a.msb()).toEqual(true); |
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a.lo = 0x00000001; |
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expect(a.lsb()).toEqual(true); |
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}); |
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/** |
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* Tests shifts. |
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*/ |
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it('testShifts', function() { |
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var a = new jspb.arith.UInt64(1, 0); |
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expect(a.lo).toEqual(1); |
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expect(a.hi).toEqual(0); |
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var orig = a; |
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a = a.leftShift(); |
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expect(orig.lo).toEqual(1); // original unmodified. |
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expect(orig.hi).toEqual(0); |
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expect(a.lo).toEqual(2); |
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expect(a.hi).toEqual(0); |
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a = a.leftShift(); |
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expect(a.lo).toEqual(4); |
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expect(a.hi).toEqual(0); |
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for (var i = 0; i < 29; i++) { |
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a = a.leftShift(); |
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} |
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expect(a.lo).toEqual(0x80000000); |
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expect(a.hi).toEqual(0); |
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a = a.leftShift(); |
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expect(a.lo).toEqual(0); |
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expect(a.hi).toEqual(1); |
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a = a.leftShift(); |
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expect(a.lo).toEqual(0); |
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expect(a.hi).toEqual(2); |
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a = a.rightShift(); |
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a = a.rightShift(); |
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expect(a.lo).toEqual(0x80000000); |
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expect(a.hi).toEqual(0); |
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a = a.rightShift(); |
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expect(a.lo).toEqual(0x40000000); |
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expect(a.hi).toEqual(0); |
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}); |
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/** |
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* Tests additions. |
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*/ |
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it('testAdd', function() { |
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var a = new jspb.arith.UInt64(/* lo = */ 0x89abcdef, |
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/* hi = */ 0x01234567); |
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var b = new jspb.arith.UInt64(/* lo = */ 0xff52ab91, |
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/* hi = */ 0x92fa2123); |
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// Addition with carry. |
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var c = a.add(b); |
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expect(a.lo).toEqual(0x89abcdef); // originals unmodified. |
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expect(a.hi).toEqual(0x01234567); |
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expect(b.lo).toEqual(0xff52ab91); |
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expect(b.hi).toEqual(0x92fa2123); |
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expect(c.lo).toEqual(0x88fe7980); |
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expect(c.hi).toEqual(0x941d668b); |
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// Simple addition without carry. |
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a.lo = 2; |
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a.hi = 0; |
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b.lo = 3; |
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b.hi = 0; |
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c = a.add(b); |
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expect(c.lo).toEqual(5); |
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expect(c.hi).toEqual(0); |
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}); |
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/** |
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* Test subtractions. |
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*/ |
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it('testSub', function() { |
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var kLength = 10; |
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var hiValues = [0x1682ef32, |
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0x583902f7, |
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0xb62f5955, |
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0x6ea99bbf, |
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0x25a39c20, |
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0x0700a08b, |
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0x00f7304d, |
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0x91a5b5af, |
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0x89077fd2, |
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0xe09e347c]; |
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var loValues = [0xe1538b18, |
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0xbeacd556, |
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0x74100758, |
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0x96e3cb26, |
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0x56c37c3f, |
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0xe00b3f7d, |
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0x859f25d7, |
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0xc2ee614a, |
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0xe1d21cd7, |
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0x30aae6a4]; |
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for (var i = 0; i < kLength; i++) { |
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for (var j = 0; j < kLength; j++) { |
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var a = new jspb.arith.UInt64(loValues[i], hiValues[j]); |
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var b = new jspb.arith.UInt64(loValues[j], hiValues[i]); |
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var c = a.add(b).sub(b); |
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expect(c.hi).toEqual(a.hi); |
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expect(c.lo).toEqual(a.lo); |
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} |
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} |
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}); |
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/** |
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* Tests 32-by-32 multiplication. |
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*/ |
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it('testMul32x32', function() { |
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var testData = [ |
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// a b low(a*b) high(a*b) |
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[0xc0abe2f8, 0x1607898a, 0x5de711b0, 0x109471b8], |
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[0x915eb3cb, 0x4fb66d0e, 0xbd0d441a, 0x2d43d0bc], |
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[0xfe4efe70, 0x80b48c37, 0xbcddea10, 0x7fdada0c], |
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[0xe222fd4a, 0xe43d524a, 0xd5e0eb64, 0xc99d549c], |
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[0xd171f469, 0xb94ebd01, 0x4be17969, 0x979bc4fa], |
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[0x829cc1df, 0xe2598b38, 0xf4157dc8, 0x737c12ad], |
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[0xf10c3767, 0x8382881e, 0x942b3612, 0x7bd428b8], |
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[0xb0f6dd24, 0x232597e1, 0x079c98a4, 0x184bbce7], |
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[0xfcdb05a7, 0x902f55bc, 0x636199a4, 0x8e69f412], |
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[0x0dd0bfa9, 0x916e27b1, 0x6e2542d9, 0x07d92e65] |
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]; |
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for (var i = 0; i < testData.length; i++) { |
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var a = testData[i][0] >>> 0; |
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var b = testData[i][1] >>> 0; |
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var cLow = testData[i][2] >>> 0; |
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var cHigh = testData[i][3] >>> 0; |
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var c = jspb.arith.UInt64.mul32x32(a, b); |
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expect(c.lo).toEqual(cLow); |
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expect(c.hi).toEqual(cHigh); |
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} |
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}); |
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/** |
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* Tests 64-by-32 multiplication. |
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*/ |
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it('testMul', function() { |
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// 64x32 bits produces 96 bits of product. The multiplication function under |
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// test truncates the top 32 bits, so we compare against a 64-bit expected |
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// product. |
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var testData = [ |
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// low(a) high(a) low(a*b) high(a*b) |
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[0xec10955b, 0x360eb168, 0x4b7f3f5b, 0xbfcb7c59, 0x9517da5f], |
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[0x42b000fc, 0x9d101642, 0x6fa1ab72, 0x2584c438, 0x6a9e6d2b], |
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[0xf42d4fb4, 0xae366403, 0xa65a1000, 0x92434000, 0x1ff978df], |
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[0x17e2f56b, 0x25487693, 0xf13f98c7, 0x73794e2d, 0xa96b0c6a], |
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[0x492f241f, 0x76c0eb67, 0x7377ac44, 0xd4336c3c, 0xfc4b1ebe], |
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[0xd6b92321, 0xe184fa48, 0xd6e76904, 0x93141584, 0xcbf44da1], |
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[0x4bf007ea, 0x968c0a9e, 0xf5e4026a, 0x4fdb1ae4, 0x61b9fb7d], |
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[0x10a83be7, 0x2d685ba6, 0xc9e5fb7f, 0x2ad43499, 0x3742473d], |
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[0x2f261829, 0x1aca681a, 0x3d3494e3, 0x8213205b, 0x283719f8], |
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[0xe4f2ce21, 0x2e74b7bd, 0xd801b38b, 0xbc17feeb, 0xc6c44e0f] |
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]; |
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for (var i = 0; i < testData.length; i++) { |
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var a = new jspb.arith.UInt64(testData[i][0], testData[i][1]); |
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var prod = a.mul(testData[i][2]); |
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expect(prod.lo).toEqual(testData[i][3]); |
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expect(prod.hi).toEqual(testData[i][4]); |
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} |
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}); |
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/** |
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* Tests 64-div-by-32 division. |
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*/ |
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it('testDiv', function() { |
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// Compute a/b, yielding quot = a/b and rem = a%b. |
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var testData = [ |
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// --- divisors in (0, 2^32-1) to test full divisor range |
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// low(a) high(a) b low(quot) high(quot) rem |
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[0x712443f1, 0xe85cefcc, 0xc1a7050b, 0x332c79ad, 0x00000001, 0x92ffa882], |
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[0x11912915, 0xb2699eb5, 0x30467cbe, 0xb21b4be4, 0x00000003, 0x283465dd], |
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[0x0d917982, 0x201f2a6e, 0x3f35bf03, 0x8217c8e4, 0x00000000, 0x153402d6], |
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[0xa072c108, 0x74020c96, 0xc60568fd, 0x95f9613e, 0x00000000, 0x3f4676c2], |
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[0xd845d5d8, 0xcdd235c4, 0x20426475, 0x6154e78b, 0x00000006, 0x202fb751], |
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[0xa4dbf71f, 0x9e90465e, 0xf08e022f, 0xa8be947f, 0x00000000, 0xbe43b5ce], |
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[0x3dbe627f, 0xa791f4b9, 0x28a5bd89, 0x1f5dfe93, 0x00000004, 0x02bf9ed4], |
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[0x5c1c53ee, 0xccf5102e, 0x198576e7, 0x07e3ae31, 0x00000008, 0x02ea8fb7], |
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[0xfef1e581, 0x04714067, 0xca6540c1, 0x059e73ec, 0x00000000, 0x31658095], |
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[0x1e2dd90c, 0x13dd6667, 0x8b2184c3, 0x248d1a42, 0x00000000, 0x4ca6d0c6], |
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// --- divisors in (0, 2^16-1) to test larger quotient high-words |
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// low(a) high(a) b low(quot) high(quot) rem |
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[0x86722b47, 0x2cd57c9a, 0x00003123, 0x2ae41b7a, 0x0000e995, 0x00000f99], |
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[0x1dd7884c, 0xf5e839bc, 0x00009eeb, 0x5c886242, 0x00018c21, 0x000099b6], |
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[0x5c53d625, 0x899fc7e5, 0x000087d7, 0xd625007a, 0x0001035c, 0x000019af], |
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[0x6932d932, 0x9d0a5488, 0x000051fb, 0x9d976143, 0x0001ea63, 0x00004981], |
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[0x4d18bb85, 0x0c92fb31, 0x00001d9f, 0x03265ab4, 0x00006cac, 0x000001b9], |
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[0xbe756768, 0xdea67ccb, 0x00008a03, 0x58add442, 0x00019cff, 0x000056a2], |
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[0xe2466f9a, 0x2521f114, 0x0000c350, 0xa0c0860d, 0x000030ab, 0x0000a48a], |
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[0xf00ddad1, 0xe2f5446a, 0x00002cfc, 0x762697a6, 0x00050b96, 0x00000b69], |
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[0xa879152a, 0x0a70e0a5, 0x00007cdf, 0xb44151b3, 0x00001567, 0x0000363d], |
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[0x7179a74c, 0x46083fff, 0x0000253c, 0x4d39ba6e, 0x0001e17f, 0x00000f84] |
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]; |
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for (var i = 0; i < testData.length; i++) { |
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var a = new jspb.arith.UInt64(testData[i][0], testData[i][1]); |
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var result = a.div(testData[i][2]); |
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var quotient = result[0]; |
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var remainder = result[1]; |
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expect(quotient.lo).toEqual(testData[i][3]); |
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expect(quotient.hi).toEqual(testData[i][4]); |
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expect(remainder.lo).toEqual(testData[i][5]); |
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} |
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}); |
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/** |
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* Tests .toString() and .fromString(). |
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*/ |
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it('testStrings', function() { |
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var testData = [ |
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[0x5e84c935, 0xcae33d0e, '14619595947299359029'], |
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[0x62b3b8b8, 0x93480544, '10612738313170434232'], |
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[0x319bfb13, 0xc01c4172, '13843011313344445203'], |
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[0x5b8a65fb, 0xa5885b31, '11927883880638080507'], |
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[0x6bdb80f1, 0xb0d1b16b, '12741159895737008369'], |
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[0x4b82b442, 0x2e0d8c97, '3318463081876730946'], |
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[0x780d5208, 0x7d76752c, '9040542135845999112'], |
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[0x2e46800f, 0x0993778d, '690026616168284175'], |
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[0xf00a7e32, 0xcd8e3931, '14811839111111540274'], |
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[0x1baeccd6, 0x923048c4, '10533999535534820566'], |
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[0x03669d29, 0xbff3ab72, '13831587386756603177'], |
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[0x2526073e, 0x01affc81, '121593346566522686'], |
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[0xc24244e0, 0xd7f40d0e, '15561076969511732448'], |
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[0xc56a341e, 0xa68b66a7, '12000798502816461854'], |
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[0x8738d64d, 0xbfe78604, '13828168534871037517'], |
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[0x5baff03b, 0xd7572aea, '15516918227177304123'], |
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[0x4a843d8a, 0x864e132b, '9677693725920476554'], |
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[0x25b4e94d, 0x22b54dc6, '2500990681505655117'], |
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[0x6bbe664b, 0x55a5cc0e, '6171563226690381387'], |
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[0xee916c81, 0xb00aabb3, '12685140089732426881'] |
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]; |
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for (var i = 0; i < testData.length; i++) { |
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var a = new jspb.arith.UInt64(testData[i][0], testData[i][1]); |
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var roundtrip = jspb.arith.UInt64.fromString(a.toString()); |
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expect(roundtrip.lo).toEqual(a.lo); |
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expect(roundtrip.hi).toEqual(a.hi); |
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expect(a.toString()).toEqual(testData[i][2]); |
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} |
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}); |
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/** |
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* Tests signed Int64s. These are built on UInt64s, so we only need to test |
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* the explicit overrides: .toString() and .fromString(). |
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*/ |
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it('testSignedInt64', function() { |
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var testStrings = [ |
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'-7847499644178593666', |
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'3771946501229139523', |
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'2872856549054995060', |
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'-5780049594274350904', |
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'3383785956695105201', |
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'2973055184857072610', |
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'-3879428459215627206', |
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'4589812431064156631', |
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'8484075557333689940', |
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'1075325817098092407', |
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'-4346697501012292314', |
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'2488620459718316637', |
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'6112655187423520672', |
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'-3655278273928612104', |
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'3439154019435803196', |
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'1004112478843763757', |
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'-6587790776614368413', |
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'664320065099714586', |
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'4760412909973292912', |
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'-7911903989602274672' |
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]; |
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for (var i = 0; i < testStrings.length; i++) { |
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var roundtrip = |
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jspb.arith.Int64.fromString(testStrings[i]).toString(); |
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expect(roundtrip).toEqual(testStrings[i]); |
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} |
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}); |
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});
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