sdch/open_vcdiff/depot/opensource/open-vcdiff/src/encodetable_test.cc - Issue 5203: Transition to pulling open-vcdiff from repository, instead of using snapshot...

Unified Diff: sdch/open_vcdiff/depot/opensource/open-vcdiff/src/encodetable_test.cc

Issue 5203: Transition to pulling open-vcdiff from repository, instead of using snapshot... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/

Patch Set: Created 12 years, 3 months ago

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Index: sdch/open_vcdiff/depot/opensource/open-vcdiff/src/encodetable_test.cc

===================================================================

--- sdch/open_vcdiff/depot/opensource/open-vcdiff/src/encodetable_test.cc (revision 2678)

+++ sdch/open_vcdiff/depot/opensource/open-vcdiff/src/encodetable_test.cc (working copy)

@@ -1,957 +0,0 @@

-// Author: Lincoln Smith

-//

-// Licensed under the Apache License, Version 2.0 (the "License");

-// you may not use this file except in compliance with the License.

-// You may obtain a copy of the License at

-//

-// http://www.apache.org/licenses/LICENSE-2.0

-//

-// Unless required by applicable law or agreed to in writing, software

-// distributed under the License is distributed on an "AS IS" BASIS,

-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

-// See the License for the specific language governing permissions and

-// limitations under the License.

-//

-// Unit tests for the classes VCDiffCodeTableWriter and VCDiffInstructionMap,

-// found in encodetable.h.

-#include <config.h>

-#include "encodetable.h"

-#include <algorithm>

-#include <cstring> // strlen

-#include <string>

-#include <vector>

-#include "addrcache.h" // kDefaultNear...

-#include "checksum.h"

-#include "codetable.h"

-#include "google/output_string.h"

-#include "testing.h"

-#include "varint_bigendian.h"

-#include "vcdiff_defs.h"

-namespace open_vcdiff {

-namespace {

-using std::string;

-class EncodeTableTest : public testing::Test {

- protected:

- // Remove all of the functions below that are not useful for this

- // test fixture.

- EncodeTableTest()

- : standard_writer(false),

- interleaved_writer(true),

- exercise_writer(true,

- VCDiffAddressCache::kDefaultNearCacheSize,

- VCDiffAddressCache::kDefaultSameCacheSize,

- *g_exercise_code_table_, kLastExerciseMode),

- output_string(&out),

- out_index(0) { }

- virtual ~EncodeTableTest() { }

- static void AddExerciseOpcode(unsigned char inst1,

- unsigned char mode1,

- unsigned char size1,

- unsigned char inst2,

- unsigned char mode2,

- unsigned char size2,

- int opcode) {

- g_exercise_code_table_->inst1[opcode] = inst1;

- g_exercise_code_table_->mode1[opcode] = mode1;

- g_exercise_code_table_->size1[opcode] = (inst1 == VCD_NOOP) ? 0 : size1;

- g_exercise_code_table_->inst2[opcode] = inst2;

- g_exercise_code_table_->mode2[opcode] = mode2;

- g_exercise_code_table_->size2[opcode] = (inst2 == VCD_NOOP) ? 0 : size2;

- }

- static void SetUpTestCase() {

- g_exercise_code_table_ = new VCDiffCodeTableData;

- int opcode = 0;

- for (unsigned char inst_mode1 = 0;

- inst_mode1 <= VCD_LAST_INSTRUCTION_TYPE + kLastExerciseMode;

- ++inst_mode1) {

- unsigned char inst1 = inst_mode1;

- unsigned char mode1 = 0;

- if (inst_mode1 > VCD_COPY) {

- inst1 = VCD_COPY;

- mode1 = inst_mode1 - VCD_COPY;

- }

- for (unsigned char inst_mode2 = 0;

- inst_mode2 <= VCD_LAST_INSTRUCTION_TYPE + kLastExerciseMode;

- ++inst_mode2) {

- unsigned char inst2 = inst_mode2;

- unsigned char mode2 = 0;

- if (inst_mode2 > VCD_COPY) {

- inst2 = VCD_COPY;

- mode2 = inst_mode2 - VCD_COPY;

- }

- AddExerciseOpcode(inst1, mode1, 0, inst2, mode2, 0, opcode++);

- AddExerciseOpcode(inst1, mode1, 0, inst2, mode2, 255, opcode++);

- AddExerciseOpcode(inst1, mode1, 255, inst2, mode2, 0, opcode++);

- AddExerciseOpcode(inst1, mode1, 255, inst2, mode2, 255, opcode++);

- }

- // This is a CHECK rather than an EXPECT because it validates only

- // the logic of the test, not of the code being tested.

- CHECK_EQ(VCDiffCodeTableData::kCodeTableSize, opcode);

- EXPECT_TRUE(VCDiffCodeTableData::kDefaultCodeTableData.Validate());

- EXPECT_TRUE(g_exercise_code_table_->Validate(kLastExerciseMode));

- default_map = VCDiffInstructionMap::GetDefaultInstructionMap();

- exercise_map = new VCDiffInstructionMap(*g_exercise_code_table_,

- kLastExerciseMode);

- }

- static void TearDownTestCase() {

- delete exercise_map;

- delete g_exercise_code_table_;

- }

- void VerifyExerciseFirstInstruction(unsigned char expected_opcode,

- unsigned char inst,

- unsigned char size,

- unsigned char mode) {

- int found_opcode = exercise_map->LookupFirstOpcode(inst, size, mode);

- if (g_exercise_code_table_->inst1[found_opcode] == VCD_NOOP) {

- // The opcode is backwards: (VCD_NOOP, [instruction])

- EXPECT_GE(expected_opcode, found_opcode);

- EXPECT_EQ(inst, g_exercise_code_table_->inst2[found_opcode]);

- EXPECT_EQ(size, g_exercise_code_table_->size2[found_opcode]);

- EXPECT_EQ(mode, g_exercise_code_table_->mode2[found_opcode]);

- EXPECT_EQ(VCD_NOOP, g_exercise_code_table_->inst1[found_opcode]);

- EXPECT_EQ(0, g_exercise_code_table_->size1[found_opcode]);

- EXPECT_EQ(0, g_exercise_code_table_->mode1[found_opcode]);

- } else {

- EXPECT_EQ(expected_opcode, found_opcode);

- EXPECT_EQ(inst, g_exercise_code_table_->inst1[found_opcode]);

- EXPECT_EQ(size, g_exercise_code_table_->size1[found_opcode]);

- EXPECT_EQ(mode, g_exercise_code_table_->mode1[found_opcode]);

- EXPECT_EQ(VCD_NOOP, g_exercise_code_table_->inst2[found_opcode]);

- EXPECT_EQ(0, g_exercise_code_table_->size2[found_opcode]);

- EXPECT_EQ(0, g_exercise_code_table_->mode2[found_opcode]);

- }

- void VerifyExerciseSecondInstruction(unsigned char expected_opcode,

- unsigned char inst1,

- unsigned char size1,

- unsigned char mode1,

- unsigned char inst2,

- unsigned char size2,

- unsigned char mode2) {

- int first_opcode = exercise_map->LookupFirstOpcode(inst1, size1, mode1);

- EXPECT_NE(kNoOpcode, first_opcode);

- EXPECT_EQ(expected_opcode,

- exercise_map->LookupSecondOpcode(first_opcode,

- inst2,

- size2,

- mode2));

- }

- void ExpectByte(unsigned char b) {

- EXPECT_EQ(b, static_cast<unsigned char>(out[out_index]));

- ++out_index;

- }

- void ExpectString(const char* s) {

- const size_t size = strlen(s); // don't include terminating NULL char

- EXPECT_EQ(string(s, size),

- string(out.data() + out_index, size));

- out_index += size;

- }

- void ExpectNoMoreBytes() {

- EXPECT_EQ(out_index, out.size());

- }

- static bool AnyMatch(int match_count) { return match_count != 0; }

- static void ExpectNoMatchesForWriter(const VCDiffCodeTableWriter& writer) {

- const std::vector<int>& match_counts = writer.match_counts();

- EXPECT_TRUE(find_if(match_counts.begin(), match_counts.end(), AnyMatch)

- == match_counts.end());

- }

- void ExpectNoMatches() const {

- ExpectNoMatchesForWriter(standard_writer);

- ExpectNoMatchesForWriter(interleaved_writer);

- ExpectNoMatchesForWriter(exercise_writer);

- }

- // This value is designed so that the total number of inst values and modes

- // will equal 8 (VCD_NOOP, VCD_ADD, VCD_RUN, VCD_COPY modes 0 - 4).

- // Eight combinations of inst and mode, times two possible size values,

- // squared (because there are two instructions per opcode), makes

- // exactly 256 possible instruction combinations, which fits kCodeTableSize

- // (the number of opcodes in the table.)

- static const int kLastExerciseMode = 4;

- // A code table that exercises as many combinations as possible:

- // 2 instructions, each is a NOOP, ADD, RUN, or one of 5 copy modes

- // (== 8 total combinations of inst and mode), and each has

- // size == 0 or 255 (2 possibilities.)

- static VCDiffCodeTableData* g_exercise_code_table_;

- // The instruction map corresponding to kDefaultCodeTableData.

- static const VCDiffInstructionMap* default_map;

- // The instruction map corresponding to g_exercise_code_table_.

- static const VCDiffInstructionMap* exercise_map;

- // The code table writer for standard encoding, default code table.

- VCDiffCodeTableWriter standard_writer;

- // The code table writer for interleaved encoding, default code table.

- VCDiffCodeTableWriter interleaved_writer;

- // The code table writer corresponding to g_exercise_code_table_

- // (interleaved encoding).

- VCDiffCodeTableWriter exercise_writer;

- // Destination for VCDiffCodeTableWriter::Output()

- string out;

- OutputString<string> output_string;

- size_t out_index;

-};

-VCDiffCodeTableData* EncodeTableTest::g_exercise_code_table_;

-const VCDiffInstructionMap* EncodeTableTest::default_map;

-const VCDiffInstructionMap* EncodeTableTest::exercise_map;

-#ifdef GTEST_HAS_DEATH_TEST

-typedef EncodeTableTest EncodeTableDeathTest;

-#endif // GTEST_HAS_DEATH_TEST

-TEST_F(EncodeTableTest, DefaultMapLookupFirstNoop) {

- EXPECT_EQ(kNoOpcode, default_map->LookupFirstOpcode(VCD_NOOP, 0, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupFirstOpcode(VCD_NOOP, 0, 255));

- EXPECT_EQ(kNoOpcode, default_map->LookupFirstOpcode(VCD_NOOP, 255, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupFirstOpcode(VCD_NOOP, 255, 255));

-TEST_F(EncodeTableTest, DefaultMapLookupFirstAdd) {

- EXPECT_EQ(2, default_map->LookupFirstOpcode(VCD_ADD, 1, 0));

- EXPECT_EQ(3, default_map->LookupFirstOpcode(VCD_ADD, 2, 0));

- EXPECT_EQ(4, default_map->LookupFirstOpcode(VCD_ADD, 3, 0));

- EXPECT_EQ(5, default_map->LookupFirstOpcode(VCD_ADD, 4, 0));

- EXPECT_EQ(6, default_map->LookupFirstOpcode(VCD_ADD, 5, 0));

- EXPECT_EQ(7, default_map->LookupFirstOpcode(VCD_ADD, 6, 0));

- EXPECT_EQ(8, default_map->LookupFirstOpcode(VCD_ADD, 7, 0));

- EXPECT_EQ(9, default_map->LookupFirstOpcode(VCD_ADD, 8, 0));

- EXPECT_EQ(10, default_map->LookupFirstOpcode(VCD_ADD, 9, 0));

- EXPECT_EQ(11, default_map->LookupFirstOpcode(VCD_ADD, 10, 0));

- EXPECT_EQ(12, default_map->LookupFirstOpcode(VCD_ADD, 11, 0));

- EXPECT_EQ(13, default_map->LookupFirstOpcode(VCD_ADD, 12, 0));

- EXPECT_EQ(14, default_map->LookupFirstOpcode(VCD_ADD, 13, 0));

- EXPECT_EQ(15, default_map->LookupFirstOpcode(VCD_ADD, 14, 0));

- EXPECT_EQ(16, default_map->LookupFirstOpcode(VCD_ADD, 15, 0));

- EXPECT_EQ(17, default_map->LookupFirstOpcode(VCD_ADD, 16, 0));

- EXPECT_EQ(18, default_map->LookupFirstOpcode(VCD_ADD, 17, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupFirstOpcode(VCD_ADD, 100, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupFirstOpcode(VCD_ADD, 255, 0));

- EXPECT_EQ(1, default_map->LookupFirstOpcode(VCD_ADD, 0, 0));

- // Value of "mode" should not matter

- EXPECT_EQ(2, default_map->LookupFirstOpcode(VCD_ADD, 1, 2));

- EXPECT_EQ(2, default_map->LookupFirstOpcode(VCD_ADD, 1, 255));

-TEST_F(EncodeTableTest, DefaultMapLookupFirstRun) {

- EXPECT_EQ(0, default_map->LookupFirstOpcode(VCD_RUN, 0, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupFirstOpcode(VCD_RUN, 1, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupFirstOpcode(VCD_RUN, 255, 0));

- // Value of "mode" should not matter

- EXPECT_EQ(0, default_map->LookupFirstOpcode(VCD_RUN, 0, 2));

-TEST_F(EncodeTableTest, DefaultMapLookupFirstCopy) {

- EXPECT_EQ(19, default_map->LookupFirstOpcode(VCD_COPY, 0, 0));

- EXPECT_EQ(20, default_map->LookupFirstOpcode(VCD_COPY, 4, 0));

- EXPECT_EQ(21, default_map->LookupFirstOpcode(VCD_COPY, 5, 0));

- EXPECT_EQ(22, default_map->LookupFirstOpcode(VCD_COPY, 6, 0));

- EXPECT_EQ(23, default_map->LookupFirstOpcode(VCD_COPY, 7, 0));

- EXPECT_EQ(24, default_map->LookupFirstOpcode(VCD_COPY, 8, 0));

- EXPECT_EQ(25, default_map->LookupFirstOpcode(VCD_COPY, 9, 0));

- EXPECT_EQ(26, default_map->LookupFirstOpcode(VCD_COPY, 10, 0));

- EXPECT_EQ(27, default_map->LookupFirstOpcode(VCD_COPY, 11, 0));

- EXPECT_EQ(28, default_map->LookupFirstOpcode(VCD_COPY, 12, 0));

- EXPECT_EQ(29, default_map->LookupFirstOpcode(VCD_COPY, 13, 0));

- EXPECT_EQ(30, default_map->LookupFirstOpcode(VCD_COPY, 14, 0));

- EXPECT_EQ(31, default_map->LookupFirstOpcode(VCD_COPY, 15, 0));

- EXPECT_EQ(32, default_map->LookupFirstOpcode(VCD_COPY, 16, 0));

- EXPECT_EQ(33, default_map->LookupFirstOpcode(VCD_COPY, 17, 0));

- EXPECT_EQ(34, default_map->LookupFirstOpcode(VCD_COPY, 18, 0));

- EXPECT_EQ(35, default_map->LookupFirstOpcode(VCD_COPY, 0, 1));

- EXPECT_EQ(36, default_map->LookupFirstOpcode(VCD_COPY, 4, 1));

- EXPECT_EQ(37, default_map->LookupFirstOpcode(VCD_COPY, 5, 1));

- EXPECT_EQ(38, default_map->LookupFirstOpcode(VCD_COPY, 6, 1));

- EXPECT_EQ(39, default_map->LookupFirstOpcode(VCD_COPY, 7, 1));

- EXPECT_EQ(40, default_map->LookupFirstOpcode(VCD_COPY, 8, 1));

- EXPECT_EQ(41, default_map->LookupFirstOpcode(VCD_COPY, 9, 1));

- EXPECT_EQ(42, default_map->LookupFirstOpcode(VCD_COPY, 10, 1));

- EXPECT_EQ(43, default_map->LookupFirstOpcode(VCD_COPY, 11, 1));

- EXPECT_EQ(44, default_map->LookupFirstOpcode(VCD_COPY, 12, 1));

- EXPECT_EQ(45, default_map->LookupFirstOpcode(VCD_COPY, 13, 1));

- EXPECT_EQ(46, default_map->LookupFirstOpcode(VCD_COPY, 14, 1));

- EXPECT_EQ(47, default_map->LookupFirstOpcode(VCD_COPY, 15, 1));

- EXPECT_EQ(48, default_map->LookupFirstOpcode(VCD_COPY, 16, 1));

- EXPECT_EQ(49, default_map->LookupFirstOpcode(VCD_COPY, 17, 1));

- EXPECT_EQ(50, default_map->LookupFirstOpcode(VCD_COPY, 18, 1));

- EXPECT_EQ(51, default_map->LookupFirstOpcode(VCD_COPY, 0, 2));

- EXPECT_EQ(52, default_map->LookupFirstOpcode(VCD_COPY, 4, 2));

- EXPECT_EQ(53, default_map->LookupFirstOpcode(VCD_COPY, 5, 2));

- EXPECT_EQ(54, default_map->LookupFirstOpcode(VCD_COPY, 6, 2));

- EXPECT_EQ(55, default_map->LookupFirstOpcode(VCD_COPY, 7, 2));

- EXPECT_EQ(56, default_map->LookupFirstOpcode(VCD_COPY, 8, 2));

- EXPECT_EQ(57, default_map->LookupFirstOpcode(VCD_COPY, 9, 2));

- EXPECT_EQ(58, default_map->LookupFirstOpcode(VCD_COPY, 10, 2));

- EXPECT_EQ(59, default_map->LookupFirstOpcode(VCD_COPY, 11, 2));

- EXPECT_EQ(60, default_map->LookupFirstOpcode(VCD_COPY, 12, 2));

- EXPECT_EQ(61, default_map->LookupFirstOpcode(VCD_COPY, 13, 2));

- EXPECT_EQ(62, default_map->LookupFirstOpcode(VCD_COPY, 14, 2));

- EXPECT_EQ(63, default_map->LookupFirstOpcode(VCD_COPY, 15, 2));

- EXPECT_EQ(64, default_map->LookupFirstOpcode(VCD_COPY, 16, 2));

- EXPECT_EQ(65, default_map->LookupFirstOpcode(VCD_COPY, 17, 2));

- EXPECT_EQ(66, default_map->LookupFirstOpcode(VCD_COPY, 18, 2));

- EXPECT_EQ(67, default_map->LookupFirstOpcode(VCD_COPY, 0, 3));

- EXPECT_EQ(68, default_map->LookupFirstOpcode(VCD_COPY, 4, 3));

- EXPECT_EQ(69, default_map->LookupFirstOpcode(VCD_COPY, 5, 3));

- EXPECT_EQ(70, default_map->LookupFirstOpcode(VCD_COPY, 6, 3));

- EXPECT_EQ(71, default_map->LookupFirstOpcode(VCD_COPY, 7, 3));

- EXPECT_EQ(72, default_map->LookupFirstOpcode(VCD_COPY, 8, 3));

- EXPECT_EQ(73, default_map->LookupFirstOpcode(VCD_COPY, 9, 3));

- EXPECT_EQ(74, default_map->LookupFirstOpcode(VCD_COPY, 10, 3));

- EXPECT_EQ(75, default_map->LookupFirstOpcode(VCD_COPY, 11, 3));

- EXPECT_EQ(76, default_map->LookupFirstOpcode(VCD_COPY, 12, 3));

- EXPECT_EQ(77, default_map->LookupFirstOpcode(VCD_COPY, 13, 3));

- EXPECT_EQ(78, default_map->LookupFirstOpcode(VCD_COPY, 14, 3));

- EXPECT_EQ(79, default_map->LookupFirstOpcode(VCD_COPY, 15, 3));

- EXPECT_EQ(80, default_map->LookupFirstOpcode(VCD_COPY, 16, 3));

- EXPECT_EQ(81, default_map->LookupFirstOpcode(VCD_COPY, 17, 3));

- EXPECT_EQ(82, default_map->LookupFirstOpcode(VCD_COPY, 18, 3));

- EXPECT_EQ(83, default_map->LookupFirstOpcode(VCD_COPY, 0, 4));

- EXPECT_EQ(84, default_map->LookupFirstOpcode(VCD_COPY, 4, 4));

- EXPECT_EQ(85, default_map->LookupFirstOpcode(VCD_COPY, 5, 4));

- EXPECT_EQ(86, default_map->LookupFirstOpcode(VCD_COPY, 6, 4));

- EXPECT_EQ(87, default_map->LookupFirstOpcode(VCD_COPY, 7, 4));

- EXPECT_EQ(88, default_map->LookupFirstOpcode(VCD_COPY, 8, 4));

- EXPECT_EQ(89, default_map->LookupFirstOpcode(VCD_COPY, 9, 4));

- EXPECT_EQ(90, default_map->LookupFirstOpcode(VCD_COPY, 10, 4));

- EXPECT_EQ(91, default_map->LookupFirstOpcode(VCD_COPY, 11, 4));

- EXPECT_EQ(92, default_map->LookupFirstOpcode(VCD_COPY, 12, 4));

- EXPECT_EQ(93, default_map->LookupFirstOpcode(VCD_COPY, 13, 4));

- EXPECT_EQ(94, default_map->LookupFirstOpcode(VCD_COPY, 14, 4));

- EXPECT_EQ(95, default_map->LookupFirstOpcode(VCD_COPY, 15, 4));

- EXPECT_EQ(96, default_map->LookupFirstOpcode(VCD_COPY, 16, 4));

- EXPECT_EQ(97, default_map->LookupFirstOpcode(VCD_COPY, 17, 4));

- EXPECT_EQ(98, default_map->LookupFirstOpcode(VCD_COPY, 18, 4));

- EXPECT_EQ(99, default_map->LookupFirstOpcode(VCD_COPY, 0, 5));

- EXPECT_EQ(100, default_map->LookupFirstOpcode(VCD_COPY, 4, 5));

- EXPECT_EQ(101, default_map->LookupFirstOpcode(VCD_COPY, 5, 5));

- EXPECT_EQ(102, default_map->LookupFirstOpcode(VCD_COPY, 6, 5));

- EXPECT_EQ(103, default_map->LookupFirstOpcode(VCD_COPY, 7, 5));

- EXPECT_EQ(104, default_map->LookupFirstOpcode(VCD_COPY, 8, 5));

- EXPECT_EQ(105, default_map->LookupFirstOpcode(VCD_COPY, 9, 5));

- EXPECT_EQ(106, default_map->LookupFirstOpcode(VCD_COPY, 10, 5));

- EXPECT_EQ(107, default_map->LookupFirstOpcode(VCD_COPY, 11, 5));

- EXPECT_EQ(108, default_map->LookupFirstOpcode(VCD_COPY, 12, 5));

- EXPECT_EQ(109, default_map->LookupFirstOpcode(VCD_COPY, 13, 5));

- EXPECT_EQ(110, default_map->LookupFirstOpcode(VCD_COPY, 14, 5));

- EXPECT_EQ(111, default_map->LookupFirstOpcode(VCD_COPY, 15, 5));

- EXPECT_EQ(112, default_map->LookupFirstOpcode(VCD_COPY, 16, 5));

- EXPECT_EQ(113, default_map->LookupFirstOpcode(VCD_COPY, 17, 5));

- EXPECT_EQ(114, default_map->LookupFirstOpcode(VCD_COPY, 18, 5));

- EXPECT_EQ(115, default_map->LookupFirstOpcode(VCD_COPY, 0, 6));

- EXPECT_EQ(116, default_map->LookupFirstOpcode(VCD_COPY, 4, 6));

- EXPECT_EQ(117, default_map->LookupFirstOpcode(VCD_COPY, 5, 6));

- EXPECT_EQ(118, default_map->LookupFirstOpcode(VCD_COPY, 6, 6));

- EXPECT_EQ(119, default_map->LookupFirstOpcode(VCD_COPY, 7, 6));

- EXPECT_EQ(120, default_map->LookupFirstOpcode(VCD_COPY, 8, 6));

- EXPECT_EQ(121, default_map->LookupFirstOpcode(VCD_COPY, 9, 6));

- EXPECT_EQ(122, default_map->LookupFirstOpcode(VCD_COPY, 10, 6));

- EXPECT_EQ(123, default_map->LookupFirstOpcode(VCD_COPY, 11, 6));

- EXPECT_EQ(124, default_map->LookupFirstOpcode(VCD_COPY, 12, 6));

- EXPECT_EQ(125, default_map->LookupFirstOpcode(VCD_COPY, 13, 6));

- EXPECT_EQ(126, default_map->LookupFirstOpcode(VCD_COPY, 14, 6));

- EXPECT_EQ(127, default_map->LookupFirstOpcode(VCD_COPY, 15, 6));

- EXPECT_EQ(128, default_map->LookupFirstOpcode(VCD_COPY, 16, 6));

- EXPECT_EQ(129, default_map->LookupFirstOpcode(VCD_COPY, 17, 6));

- EXPECT_EQ(130, default_map->LookupFirstOpcode(VCD_COPY, 18, 6));

- EXPECT_EQ(131, default_map->LookupFirstOpcode(VCD_COPY, 0, 7));

- EXPECT_EQ(132, default_map->LookupFirstOpcode(VCD_COPY, 4, 7));

- EXPECT_EQ(133, default_map->LookupFirstOpcode(VCD_COPY, 5, 7));

- EXPECT_EQ(134, default_map->LookupFirstOpcode(VCD_COPY, 6, 7));

- EXPECT_EQ(135, default_map->LookupFirstOpcode(VCD_COPY, 7, 7));

- EXPECT_EQ(136, default_map->LookupFirstOpcode(VCD_COPY, 8, 7));

- EXPECT_EQ(137, default_map->LookupFirstOpcode(VCD_COPY, 9, 7));

- EXPECT_EQ(138, default_map->LookupFirstOpcode(VCD_COPY, 10, 7));

- EXPECT_EQ(139, default_map->LookupFirstOpcode(VCD_COPY, 11, 7));

- EXPECT_EQ(140, default_map->LookupFirstOpcode(VCD_COPY, 12, 7));

- EXPECT_EQ(141, default_map->LookupFirstOpcode(VCD_COPY, 13, 7));

- EXPECT_EQ(142, default_map->LookupFirstOpcode(VCD_COPY, 14, 7));

- EXPECT_EQ(143, default_map->LookupFirstOpcode(VCD_COPY, 15, 7));

- EXPECT_EQ(144, default_map->LookupFirstOpcode(VCD_COPY, 16, 7));

- EXPECT_EQ(145, default_map->LookupFirstOpcode(VCD_COPY, 17, 7));

- EXPECT_EQ(146, default_map->LookupFirstOpcode(VCD_COPY, 18, 7));

- EXPECT_EQ(147, default_map->LookupFirstOpcode(VCD_COPY, 0, 8));

- EXPECT_EQ(148, default_map->LookupFirstOpcode(VCD_COPY, 4, 8));

- EXPECT_EQ(149, default_map->LookupFirstOpcode(VCD_COPY, 5, 8));

- EXPECT_EQ(150, default_map->LookupFirstOpcode(VCD_COPY, 6, 8));

- EXPECT_EQ(151, default_map->LookupFirstOpcode(VCD_COPY, 7, 8));

- EXPECT_EQ(152, default_map->LookupFirstOpcode(VCD_COPY, 8, 8));

- EXPECT_EQ(153, default_map->LookupFirstOpcode(VCD_COPY, 9, 8));

- EXPECT_EQ(154, default_map->LookupFirstOpcode(VCD_COPY, 10, 8));

- EXPECT_EQ(155, default_map->LookupFirstOpcode(VCD_COPY, 11, 8));

- EXPECT_EQ(156, default_map->LookupFirstOpcode(VCD_COPY, 12, 8));

- EXPECT_EQ(157, default_map->LookupFirstOpcode(VCD_COPY, 13, 8));

- EXPECT_EQ(158, default_map->LookupFirstOpcode(VCD_COPY, 14, 8));

- EXPECT_EQ(159, default_map->LookupFirstOpcode(VCD_COPY, 15, 8));

- EXPECT_EQ(160, default_map->LookupFirstOpcode(VCD_COPY, 16, 8));

- EXPECT_EQ(161, default_map->LookupFirstOpcode(VCD_COPY, 17, 8));

- EXPECT_EQ(162, default_map->LookupFirstOpcode(VCD_COPY, 18, 8));

- EXPECT_EQ(kNoOpcode, default_map->LookupFirstOpcode(VCD_COPY, 3, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupFirstOpcode(VCD_COPY, 3, 3));

- EXPECT_EQ(kNoOpcode, default_map->LookupFirstOpcode(VCD_COPY, 255, 0));

-TEST_F(EncodeTableTest, DefaultMapLookupSecondNoop) {

- // The second opcode table does not store entries for NOOP instructions.

- // Just make sure that a NOOP does not crash the lookup code.

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(20, VCD_NOOP, 0, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(20, VCD_NOOP, 0, 255));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(20, VCD_NOOP, 255, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(20, VCD_NOOP, 255, 255));

-TEST_F(EncodeTableTest, DefaultMapLookupSecondAdd) {

- EXPECT_EQ(247, default_map->LookupSecondOpcode(20, VCD_ADD, 1, 0));

- EXPECT_EQ(248, default_map->LookupSecondOpcode(36, VCD_ADD, 1, 0));

- EXPECT_EQ(249, default_map->LookupSecondOpcode(52, VCD_ADD, 1, 0));

- EXPECT_EQ(250, default_map->LookupSecondOpcode(68, VCD_ADD, 1, 0));

- EXPECT_EQ(251, default_map->LookupSecondOpcode(84, VCD_ADD, 1, 0));

- EXPECT_EQ(252, default_map->LookupSecondOpcode(100, VCD_ADD, 1, 0));

- EXPECT_EQ(253, default_map->LookupSecondOpcode(116, VCD_ADD, 1, 0));

- EXPECT_EQ(254, default_map->LookupSecondOpcode(132, VCD_ADD, 1, 0));

- EXPECT_EQ(255, default_map->LookupSecondOpcode(148, VCD_ADD, 1, 0));

- // Value of "mode" should not matter

- EXPECT_EQ(247, default_map->LookupSecondOpcode(20, VCD_ADD, 1, 2));

- EXPECT_EQ(247, default_map->LookupSecondOpcode(20, VCD_ADD, 1, 255));

- // Only valid 2nd ADD opcode has size 1

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(20, VCD_ADD, 0, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(20, VCD_ADD, 0, 255));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(20, VCD_ADD, 255, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(0, VCD_ADD, 1, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(1, VCD_ADD, 1, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(247, VCD_ADD, 1, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(255, VCD_ADD, 1, 0));

-TEST_F(EncodeTableTest, DefaultMapLookupSecondRun) {

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(0, VCD_RUN, 0, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(20, VCD_RUN, 0, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(20, VCD_RUN, 0, 255));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(20, VCD_RUN, 255, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(20, VCD_RUN, 255, 255));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(255, VCD_RUN, 0, 0));

-TEST_F(EncodeTableTest, DefaultMapLookupSecondCopy) {

- EXPECT_EQ(163, default_map->LookupSecondOpcode(2, VCD_COPY, 4, 0));

- EXPECT_EQ(164, default_map->LookupSecondOpcode(2, VCD_COPY, 5, 0));

- EXPECT_EQ(165, default_map->LookupSecondOpcode(2, VCD_COPY, 6, 0));

- EXPECT_EQ(166, default_map->LookupSecondOpcode(3, VCD_COPY, 4, 0));

- EXPECT_EQ(167, default_map->LookupSecondOpcode(3, VCD_COPY, 5, 0));

- EXPECT_EQ(168, default_map->LookupSecondOpcode(3, VCD_COPY, 6, 0));

- EXPECT_EQ(169, default_map->LookupSecondOpcode(4, VCD_COPY, 4, 0));

- EXPECT_EQ(170, default_map->LookupSecondOpcode(4, VCD_COPY, 5, 0));

- EXPECT_EQ(171, default_map->LookupSecondOpcode(4, VCD_COPY, 6, 0));

- EXPECT_EQ(172, default_map->LookupSecondOpcode(5, VCD_COPY, 4, 0));

- EXPECT_EQ(173, default_map->LookupSecondOpcode(5, VCD_COPY, 5, 0));

- EXPECT_EQ(174, default_map->LookupSecondOpcode(5, VCD_COPY, 6, 0));

- EXPECT_EQ(175, default_map->LookupSecondOpcode(2, VCD_COPY, 4, 1));

- EXPECT_EQ(176, default_map->LookupSecondOpcode(2, VCD_COPY, 5, 1));

- EXPECT_EQ(177, default_map->LookupSecondOpcode(2, VCD_COPY, 6, 1));

- EXPECT_EQ(178, default_map->LookupSecondOpcode(3, VCD_COPY, 4, 1));

- EXPECT_EQ(179, default_map->LookupSecondOpcode(3, VCD_COPY, 5, 1));

- EXPECT_EQ(180, default_map->LookupSecondOpcode(3, VCD_COPY, 6, 1));

- EXPECT_EQ(181, default_map->LookupSecondOpcode(4, VCD_COPY, 4, 1));

- EXPECT_EQ(182, default_map->LookupSecondOpcode(4, VCD_COPY, 5, 1));

- EXPECT_EQ(183, default_map->LookupSecondOpcode(4, VCD_COPY, 6, 1));

- EXPECT_EQ(184, default_map->LookupSecondOpcode(5, VCD_COPY, 4, 1));

- EXPECT_EQ(185, default_map->LookupSecondOpcode(5, VCD_COPY, 5, 1));

- EXPECT_EQ(186, default_map->LookupSecondOpcode(5, VCD_COPY, 6, 1));

- EXPECT_EQ(187, default_map->LookupSecondOpcode(2, VCD_COPY, 4, 2));

- EXPECT_EQ(188, default_map->LookupSecondOpcode(2, VCD_COPY, 5, 2));

- EXPECT_EQ(189, default_map->LookupSecondOpcode(2, VCD_COPY, 6, 2));

- EXPECT_EQ(190, default_map->LookupSecondOpcode(3, VCD_COPY, 4, 2));

- EXPECT_EQ(191, default_map->LookupSecondOpcode(3, VCD_COPY, 5, 2));

- EXPECT_EQ(192, default_map->LookupSecondOpcode(3, VCD_COPY, 6, 2));

- EXPECT_EQ(193, default_map->LookupSecondOpcode(4, VCD_COPY, 4, 2));

- EXPECT_EQ(194, default_map->LookupSecondOpcode(4, VCD_COPY, 5, 2));

- EXPECT_EQ(195, default_map->LookupSecondOpcode(4, VCD_COPY, 6, 2));

- EXPECT_EQ(196, default_map->LookupSecondOpcode(5, VCD_COPY, 4, 2));

- EXPECT_EQ(197, default_map->LookupSecondOpcode(5, VCD_COPY, 5, 2));

- EXPECT_EQ(198, default_map->LookupSecondOpcode(5, VCD_COPY, 6, 2));

- EXPECT_EQ(199, default_map->LookupSecondOpcode(2, VCD_COPY, 4, 3));

- EXPECT_EQ(200, default_map->LookupSecondOpcode(2, VCD_COPY, 5, 3));

- EXPECT_EQ(201, default_map->LookupSecondOpcode(2, VCD_COPY, 6, 3));

- EXPECT_EQ(202, default_map->LookupSecondOpcode(3, VCD_COPY, 4, 3));

- EXPECT_EQ(203, default_map->LookupSecondOpcode(3, VCD_COPY, 5, 3));

- EXPECT_EQ(204, default_map->LookupSecondOpcode(3, VCD_COPY, 6, 3));

- EXPECT_EQ(205, default_map->LookupSecondOpcode(4, VCD_COPY, 4, 3));

- EXPECT_EQ(206, default_map->LookupSecondOpcode(4, VCD_COPY, 5, 3));

- EXPECT_EQ(207, default_map->LookupSecondOpcode(4, VCD_COPY, 6, 3));

- EXPECT_EQ(208, default_map->LookupSecondOpcode(5, VCD_COPY, 4, 3));

- EXPECT_EQ(209, default_map->LookupSecondOpcode(5, VCD_COPY, 5, 3));

- EXPECT_EQ(210, default_map->LookupSecondOpcode(5, VCD_COPY, 6, 3));

- EXPECT_EQ(211, default_map->LookupSecondOpcode(2, VCD_COPY, 4, 4));

- EXPECT_EQ(212, default_map->LookupSecondOpcode(2, VCD_COPY, 5, 4));

- EXPECT_EQ(213, default_map->LookupSecondOpcode(2, VCD_COPY, 6, 4));

- EXPECT_EQ(214, default_map->LookupSecondOpcode(3, VCD_COPY, 4, 4));

- EXPECT_EQ(215, default_map->LookupSecondOpcode(3, VCD_COPY, 5, 4));

- EXPECT_EQ(216, default_map->LookupSecondOpcode(3, VCD_COPY, 6, 4));

- EXPECT_EQ(217, default_map->LookupSecondOpcode(4, VCD_COPY, 4, 4));

- EXPECT_EQ(218, default_map->LookupSecondOpcode(4, VCD_COPY, 5, 4));

- EXPECT_EQ(219, default_map->LookupSecondOpcode(4, VCD_COPY, 6, 4));

- EXPECT_EQ(220, default_map->LookupSecondOpcode(5, VCD_COPY, 4, 4));

- EXPECT_EQ(221, default_map->LookupSecondOpcode(5, VCD_COPY, 5, 4));

- EXPECT_EQ(222, default_map->LookupSecondOpcode(5, VCD_COPY, 6, 4));

- EXPECT_EQ(223, default_map->LookupSecondOpcode(2, VCD_COPY, 4, 5));

- EXPECT_EQ(224, default_map->LookupSecondOpcode(2, VCD_COPY, 5, 5));

- EXPECT_EQ(225, default_map->LookupSecondOpcode(2, VCD_COPY, 6, 5));

- EXPECT_EQ(226, default_map->LookupSecondOpcode(3, VCD_COPY, 4, 5));

- EXPECT_EQ(227, default_map->LookupSecondOpcode(3, VCD_COPY, 5, 5));

- EXPECT_EQ(228, default_map->LookupSecondOpcode(3, VCD_COPY, 6, 5));

- EXPECT_EQ(229, default_map->LookupSecondOpcode(4, VCD_COPY, 4, 5));

- EXPECT_EQ(230, default_map->LookupSecondOpcode(4, VCD_COPY, 5, 5));

- EXPECT_EQ(231, default_map->LookupSecondOpcode(4, VCD_COPY, 6, 5));

- EXPECT_EQ(232, default_map->LookupSecondOpcode(5, VCD_COPY, 4, 5));

- EXPECT_EQ(233, default_map->LookupSecondOpcode(5, VCD_COPY, 5, 5));

- EXPECT_EQ(234, default_map->LookupSecondOpcode(5, VCD_COPY, 6, 5));

- EXPECT_EQ(235, default_map->LookupSecondOpcode(2, VCD_COPY, 4, 6));

- EXPECT_EQ(236, default_map->LookupSecondOpcode(3, VCD_COPY, 4, 6));

- EXPECT_EQ(237, default_map->LookupSecondOpcode(4, VCD_COPY, 4, 6));

- EXPECT_EQ(238, default_map->LookupSecondOpcode(5, VCD_COPY, 4, 6));

- EXPECT_EQ(239, default_map->LookupSecondOpcode(2, VCD_COPY, 4, 7));

- EXPECT_EQ(240, default_map->LookupSecondOpcode(3, VCD_COPY, 4, 7));

- EXPECT_EQ(241, default_map->LookupSecondOpcode(4, VCD_COPY, 4, 7));

- EXPECT_EQ(242, default_map->LookupSecondOpcode(5, VCD_COPY, 4, 7));

- EXPECT_EQ(243, default_map->LookupSecondOpcode(2, VCD_COPY, 4, 8));

- EXPECT_EQ(244, default_map->LookupSecondOpcode(3, VCD_COPY, 4, 8));

- EXPECT_EQ(245, default_map->LookupSecondOpcode(4, VCD_COPY, 4, 8));

- EXPECT_EQ(246, default_map->LookupSecondOpcode(5, VCD_COPY, 4, 8));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(2, VCD_COPY, 0, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(2, VCD_COPY, 255, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(2, VCD_COPY, 255, 255));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(0, VCD_COPY, 4, 0));

- EXPECT_EQ(kNoOpcode, default_map->LookupSecondOpcode(255, VCD_COPY, 4, 0));

-TEST_F(EncodeTableTest, ExerciseTableLookup) {

- int opcode = 0;

- // This loop has the same bounds as the one in SetUpTestCase.

- // Look up each instruction type and make sure it returns

- // the proper opcode.

- for (unsigned char inst_mode1 = 0;

- inst_mode1 <= VCD_LAST_INSTRUCTION_TYPE + kLastExerciseMode;

- ++inst_mode1) {

- unsigned char inst1 = inst_mode1;

- unsigned char mode1 = 0;

- if (inst_mode1 > VCD_COPY) {

- inst1 = VCD_COPY;

- mode1 = inst_mode1 - VCD_COPY;

- }

- for (unsigned char inst_mode2 = 0;

- inst_mode2 <= VCD_LAST_INSTRUCTION_TYPE + kLastExerciseMode;

- ++inst_mode2) {

- unsigned char inst2 = inst_mode2;

- unsigned char mode2 = 0;

- if (inst_mode2 > VCD_COPY) {

- inst2 = VCD_COPY;

- mode2 = inst_mode2 - VCD_COPY;

- }

- if (inst2 == VCD_NOOP) {

- VerifyExerciseFirstInstruction(opcode, inst1, 0, mode1);

- VerifyExerciseFirstInstruction(opcode + 2,

- inst1,

- ((inst1 == VCD_NOOP) ? 0 : 255),

- mode1);

- } else if (inst1 != VCD_NOOP) {

- VerifyExerciseSecondInstruction(opcode,

- inst1,

- 0,

- mode1,

- inst2,

- 0,

- mode2);

- VerifyExerciseSecondInstruction(opcode + 1,

- inst1,

- 0,

- mode1,

- inst2,

- 255,

- mode2);

- VerifyExerciseSecondInstruction(opcode + 2,

- inst1,

- 255,

- mode1,

- inst2,

- 0,

- mode2);

- VerifyExerciseSecondInstruction(opcode + 3,

- inst1,

- 255,

- mode1,

- inst2,

- 255,

- mode2);

- }

- opcode += 4;

- }

- // This is a CHECK rather than an EXPECT because it validates only

- // the logic of the test, not of the code being tested.

- CHECK_EQ(VCDiffCodeTableData::kCodeTableSize, opcode);

-#ifdef GTEST_HAS_DEATH_TEST

-TEST_F(EncodeTableDeathTest, WriterAddWithoutInit) {

-#ifndef NDEBUG

- // This condition is only checked in the debug build.

- EXPECT_DEBUG_DEATH(standard_writer.Add("Hello", 5),

- "Init");

-#endif // !NDEBUG

-TEST_F(EncodeTableDeathTest, WriterRunWithoutInit) {

-#ifndef NDEBUG

- // This condition is only checked in the debug build.

- EXPECT_DEBUG_DEATH(standard_writer.Run(3, 'a'),

- "Init");

-#endif // !NDEBUG

-TEST_F(EncodeTableDeathTest, WriterCopyWithoutInit) {

-#ifndef NDEBUG

- // This condition is only checked in the debug build.

- EXPECT_DEBUG_DEATH(standard_writer.Copy(6, 5),

- "Init");

-#endif // !NDEBUG

-#endif // GTEST_HAS_DEATH_TEST

-// Output() without Init() is harmless, but will produce no output.

-TEST_F(EncodeTableTest, WriterOutputWithoutInit) {

- standard_writer.Output(&output_string);

- EXPECT_TRUE(out.empty());

-TEST_F(EncodeTableTest, WriterEncodeNothing) {

- EXPECT_TRUE(standard_writer.Init(0));

- standard_writer.Output(&output_string);

- // The writer should know not to append a delta file window

- // if nothing was encoded.

- EXPECT_TRUE(out.empty());

- out.clear();

- EXPECT_TRUE(interleaved_writer.Init(0x10));

- interleaved_writer.Output(&output_string);

- EXPECT_TRUE(out.empty());

- out.clear();

- EXPECT_TRUE(exercise_writer.Init(0x20));

- exercise_writer.Output(&output_string);

- EXPECT_TRUE(out.empty());

- ExpectNoMatches();

-TEST_F(EncodeTableTest, StandardWriterEncodeAdd) {

- EXPECT_TRUE(standard_writer.Init(0x11));

- standard_writer.Add("foo", 3);

- standard_writer.Output(&output_string);

- ExpectByte(VCD_SOURCE); // Win_Indicator: VCD_SOURCE (dictionary)

- ExpectByte(0x11); // Source segment size: dictionary length

- ExpectByte(0x00); // Source segment position: start of dictionary

- ExpectByte(0x09); // Length of the delta encoding

- ExpectByte(0x03); // Size of the target window

- ExpectByte(0x00); // Delta_indicator (no compression)

- ExpectByte(0x03); // length of data for ADDs and RUNs

- ExpectByte(0x01); // length of instructions section

- ExpectByte(0x00); // length of addresses for COPYs

- ExpectString("foo");

- ExpectByte(0x04); // ADD(3) opcode

- ExpectNoMoreBytes();

- ExpectNoMatches();

-TEST_F(EncodeTableTest, ExerciseWriterEncodeAdd) {

- EXPECT_TRUE(exercise_writer.Init(0x11));

- exercise_writer.Add("foo", 3);

- exercise_writer.Output(&output_string);

- ExpectByte(VCD_SOURCE); // Win_Indicator: VCD_SOURCE (dictionary)

- ExpectByte(0x11); // Source segment size: dictionary length

- ExpectByte(0x00); // Source segment position: start of dictionary

- ExpectByte(0x0A); // Length of the delta encoding

- ExpectByte(0x03); // Size of the target window

- ExpectByte(0x00); // Delta_indicator (no compression)

- ExpectByte(0x00); // length of data for ADDs and RUNs

- ExpectByte(0x05); // length of instructions section

- ExpectByte(0x00); // length of addresses for COPYs

- ExpectByte(0x04); // Opcode: NOOP + ADD(0)

- ExpectByte(0x03); // Size of ADD (3)

- ExpectString("foo");

- ExpectNoMatches();

-TEST_F(EncodeTableTest, StandardWriterEncodeRun) {

- EXPECT_TRUE(standard_writer.Init(0x11));

- standard_writer.Run(3, 'a');

- standard_writer.Output(&output_string);

- ExpectByte(VCD_SOURCE); // Win_Indicator: VCD_SOURCE (dictionary)

- ExpectByte(0x11); // Source segment size: dictionary length

- ExpectByte(0x00); // Source segment position: start of dictionary

- ExpectByte(0x08); // Length of the delta encoding

- ExpectByte(0x03); // Size of the target window

- ExpectByte(0x00); // Delta_indicator (no compression)

- ExpectByte(0x01); // length of data for ADDs and RUNs

- ExpectByte(0x02); // length of instructions section

- ExpectByte(0x00); // length of addresses for COPYs

- ExpectByte('a');

- ExpectByte(0x00); // RUN(0) opcode

- ExpectByte(0x03); // Size of RUN (3)

- ExpectNoMoreBytes();

- ExpectNoMatches();

-TEST_F(EncodeTableTest, ExerciseWriterEncodeRun) {

- EXPECT_TRUE(exercise_writer.Init(0x11));

- exercise_writer.Run(3, 'a');

- exercise_writer.Output(&output_string);

- ExpectByte(VCD_SOURCE); // Win_Indicator: VCD_SOURCE (dictionary)

- ExpectByte(0x11); // Source segment size: dictionary length

- ExpectByte(0x00); // Source segment position: start of dictionary

- ExpectByte(0x08); // Length of the delta encoding

- ExpectByte(0x03); // Size of the target window

- ExpectByte(0x00); // Delta_indicator (no compression)

- ExpectByte(0x00); // length of data for ADDs and RUNs

- ExpectByte(0x03); // length of instructions section

- ExpectByte(0x00); // length of addresses for COPYs

- ExpectByte(0x08); // Opcode: NOOP + RUN(0)

- ExpectByte(0x03); // Size of RUN (3)

- ExpectByte('a');

- ExpectNoMoreBytes();

- ExpectNoMatches();

-TEST_F(EncodeTableTest, StandardWriterEncodeCopy) {

- EXPECT_TRUE(standard_writer.Init(0x11));

- standard_writer.Copy(2, 8);

- standard_writer.Output(&output_string);

- ExpectByte(VCD_SOURCE); // Win_Indicator: VCD_SOURCE (dictionary)

- ExpectByte(0x11); // Source segment size: dictionary length

- ExpectByte(0x00); // Source segment position: start of dictionary

- ExpectByte(0x09); // Length of the delta encoding

- ExpectByte(0x10); // Size of the target window

- ExpectByte(0x00); // Delta_indicator (no compression)

- ExpectByte(0x00); // length of data for ADDs and RUNs

- ExpectByte(0x02); // length of instructions section

- ExpectByte(0x02); // length of addresses for COPYs

- ExpectByte(0x18); // COPY mode SELF, size 8

- ExpectByte(0x78); // COPY mode SAME(0), size 8

- ExpectByte(0x02); // COPY address (2)

- ExpectNoMoreBytes();

- EXPECT_LE(9U, standard_writer.match_counts().size());

- EXPECT_EQ(0, standard_writer.match_counts()[0]);

- EXPECT_EQ(0, standard_writer.match_counts()[1]);

- EXPECT_EQ(0, standard_writer.match_counts()[2]);

- EXPECT_EQ(0, standard_writer.match_counts()[3]);

- EXPECT_EQ(0, standard_writer.match_counts()[4]);

- EXPECT_EQ(0, standard_writer.match_counts()[5]);

- EXPECT_EQ(0, standard_writer.match_counts()[6]);

- EXPECT_EQ(0, standard_writer.match_counts()[7]);

- EXPECT_EQ(2, standard_writer.match_counts()[8]);

-// The exercise code table can't be used to test how the code table

-// writer encodes COPY instructions because the code table writer

-// always uses the default cache sizes, which exceed the maximum mode

-// used in the exercise table.

-TEST_F(EncodeTableTest, InterleavedWriterEncodeCopy) {

- EXPECT_TRUE(interleaved_writer.Init(0x11));

- interleaved_writer.Copy(2, 8);

- interleaved_writer.Output(&output_string);

- ExpectByte(VCD_SOURCE); // Win_Indicator: VCD_SOURCE (dictionary)

- ExpectByte(0x11); // Source segment size: dictionary length

- ExpectByte(0x00); // Source segment position: start of dictionary

- ExpectByte(0x09); // Length of the delta encoding

- ExpectByte(0x10); // Size of the target window

- ExpectByte(0x00); // Delta_indicator (no compression)

- ExpectByte(0x00); // length of data for ADDs and RUNs

- ExpectByte(0x04); // length of instructions section

- ExpectByte(0x00); // length of addresses for COPYs

- ExpectByte(0x18); // COPY mode SELF, size 8

- ExpectByte(0x02); // COPY address (2)

- ExpectByte(0x78); // COPY mode SAME(0), size 8

- ExpectByte(0x02); // COPY address (2)

- ExpectNoMoreBytes();

- EXPECT_LE(9U, interleaved_writer.match_counts().size());

- EXPECT_EQ(0, interleaved_writer.match_counts()[0]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[1]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[2]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[3]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[4]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[5]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[6]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[7]);

- EXPECT_EQ(2, interleaved_writer.match_counts()[8]);

-TEST_F(EncodeTableTest, StandardWriterEncodeCombo) {

- EXPECT_TRUE(standard_writer.Init(0x11));

- standard_writer.Add("rayo", 4);

- standard_writer.Copy(2, 5);

- standard_writer.Copy(0, 4);

- standard_writer.Add("X", 1);

- standard_writer.Output(&output_string);

- ExpectByte(VCD_SOURCE); // Win_Indicator: VCD_SOURCE (dictionary)

- ExpectByte(0x11); // Source segment size: dictionary length

- ExpectByte(0x00); // Source segment position: start of dictionary

- ExpectByte(0x0E); // Length of the delta encoding

- ExpectByte(0x0E); // Size of the target window

- ExpectByte(0x00); // Delta_indicator (no compression)

- ExpectByte(0x05); // length of data for ADDs and RUNs

- ExpectByte(0x02); // length of instructions section

- ExpectByte(0x02); // length of addresses for COPYs

- ExpectString("rayoX");

- ExpectByte(0xAD); // Combo: Add size 4 + COPY mode SELF, size 5

- ExpectByte(0xFD); // Combo: COPY mode SAME(0), size 4 + Add size 1

- ExpectByte(0x02); // COPY address (2)

- ExpectByte(0x00); // COPY address (0)

- ExpectNoMoreBytes();

- EXPECT_LE(6U, standard_writer.match_counts().size());

- EXPECT_EQ(0, standard_writer.match_counts()[0]);

- EXPECT_EQ(0, standard_writer.match_counts()[1]);

- EXPECT_EQ(0, standard_writer.match_counts()[2]);

- EXPECT_EQ(0, standard_writer.match_counts()[3]);

- EXPECT_EQ(1, standard_writer.match_counts()[4]);

- EXPECT_EQ(1, standard_writer.match_counts()[5]);

-TEST_F(EncodeTableTest, InterleavedWriterEncodeCombo) {

- EXPECT_TRUE(interleaved_writer.Init(0x11));

- interleaved_writer.Add("rayo", 4);

- interleaved_writer.Copy(2, 5);

- interleaved_writer.Copy(0, 4);

- interleaved_writer.Add("X", 1);

- interleaved_writer.Output(&output_string);

- ExpectByte(VCD_SOURCE); // Win_Indicator: VCD_SOURCE (dictionary)

- ExpectByte(0x11); // Source segment size: dictionary length

- ExpectByte(0x00); // Source segment position: start of dictionary

- ExpectByte(0x0E); // Length of the delta encoding

- ExpectByte(0x0E); // Size of the target window

- ExpectByte(0x00); // Delta_indicator (no compression)

- ExpectByte(0x00); // length of data for ADDs and RUNs

- ExpectByte(0x09); // length of instructions section

- ExpectByte(0x00); // length of addresses for COPYs

- ExpectByte(0xAD); // Combo: Add size 4 + COPY mode SELF, size 5

- ExpectString("rayo");

- ExpectByte(0x02); // COPY address (2)

- ExpectByte(0xFD); // Combo: COPY mode SAME(0), size 4 + Add size 1

- ExpectByte(0x00); // COPY address (0)

- ExpectByte('X');

- ExpectNoMoreBytes();

- EXPECT_LE(6U, interleaved_writer.match_counts().size());

- EXPECT_EQ(0, interleaved_writer.match_counts()[0]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[1]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[2]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[3]);

- EXPECT_EQ(1, interleaved_writer.match_counts()[4]);

- EXPECT_EQ(1, interleaved_writer.match_counts()[5]);

-TEST_F(EncodeTableTest, InterleavedWriterEncodeComboWithChecksum) {

- EXPECT_TRUE(interleaved_writer.Init(0x11));

- const VCDChecksum checksum = 0xFFFFFFFF; // would be negative if signed

- interleaved_writer.AddChecksum(checksum);

- interleaved_writer.Add("rayo", 4);

- interleaved_writer.Copy(2, 5);

- interleaved_writer.Copy(0, 4);

- interleaved_writer.Add("X", 1);

- interleaved_writer.Output(&output_string);

- ExpectByte(VCD_SOURCE | VCD_CHECKSUM); // Win_Indicator

- ExpectByte(0x11); // Source segment size: dictionary length

- ExpectByte(0x00); // Source segment position: start of dictionary

- ExpectByte(0x13); // Length of the delta encoding

- ExpectByte(0x0E); // Size of the target window

- ExpectByte(0x00); // Delta_indicator (no compression)

- ExpectByte(0x00); // length of data for ADDs and RUNs

- ExpectByte(0x09); // length of instructions section

- ExpectByte(0x00); // length of addresses for COPYs

- ExpectByte(0x8F); // checksum byte 1

- ExpectByte(0xFF); // checksum byte 2

- ExpectByte(0xFF); // checksum byte 3

- ExpectByte(0xFF); // checksum byte 4

- ExpectByte(0x7F); // checksum byte 5

- ExpectByte(0xAD); // Combo: Add size 4 + COPY mode SELF, size 5

- ExpectString("rayo");

- ExpectByte(0x02); // COPY address (2)

- ExpectByte(0xFD); // Combo: COPY mode SAME(0), size 4 + Add size 1

- ExpectByte(0x00); // COPY address (0)

- ExpectByte('X');

- ExpectNoMoreBytes();

-TEST_F(EncodeTableTest, ReallyBigDictionary) {

- EXPECT_TRUE(interleaved_writer.Init(0x3FFFFFFF));

- interleaved_writer.Copy(2, 8);

- interleaved_writer.Copy(0x3FFFFFFE, 8);

- interleaved_writer.Output(&output_string);

- ExpectByte(VCD_SOURCE); // Win_Indicator: VCD_SOURCE (dictionary)

- ExpectByte(0x83); // Source segment size: dictionary length (1)

- ExpectByte(0xFF); // Source segment size: dictionary length (2)

- ExpectByte(0xFF); // Source segment size: dictionary length (3)

- ExpectByte(0xFF); // Source segment size: dictionary length (4)

- ExpectByte(0x7F); // Source segment size: dictionary length (5)

- ExpectByte(0x00); // Source segment position: start of dictionary

- ExpectByte(0x09); // Length of the delta encoding

- ExpectByte(0x10); // Size of the target window

- ExpectByte(0x00); // Delta_indicator (no compression)

- ExpectByte(0x00); // length of data for ADDs and RUNs

- ExpectByte(0x04); // length of instructions section

- ExpectByte(0x00); // length of addresses for COPYs

- ExpectByte(0x18); // COPY mode SELF, size 8

- ExpectByte(0x02); // COPY address (2)

- ExpectByte(0x28); // COPY mode HERE, size 8

- ExpectByte(0x09); // COPY address (9)

- ExpectNoMoreBytes();

- EXPECT_LE(9U, interleaved_writer.match_counts().size());

- EXPECT_EQ(0, interleaved_writer.match_counts()[0]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[1]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[2]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[3]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[4]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[5]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[6]);

- EXPECT_EQ(0, interleaved_writer.match_counts()[7]);

- EXPECT_EQ(2, interleaved_writer.match_counts()[8]);

-#ifdef GTEST_HAS_DEATH_TEST

-TEST_F(EncodeTableDeathTest, DictionaryTooBig) {

- EXPECT_TRUE(interleaved_writer.Init(0x7FFFFFFF));

- interleaved_writer.Copy(2, 8);

- EXPECT_DEBUG_DEATH(interleaved_writer.Copy(0x7FFFFFFE, 8),

- "address.*<.*here_address");

-#endif // GTEST_HAS_DEATH_TEST

-} // unnamed namespace

-} // namespace open_vcdiff