diff options
Diffstat (limited to 'V8Binding/v8/test/cctest/test-log-utils.cc')
| -rw-r--r-- | V8Binding/v8/test/cctest/test-log-utils.cc | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/V8Binding/v8/test/cctest/test-log-utils.cc b/V8Binding/v8/test/cctest/test-log-utils.cc deleted file mode 100644 index a08a0a1..0000000 --- a/V8Binding/v8/test/cctest/test-log-utils.cc +++ /dev/null @@ -1,309 +0,0 @@ -// Copyright 2006-2009 the V8 project authors. All rights reserved. -// -// Tests of logging utilities from log-utils.h - -#ifdef ENABLE_LOGGING_AND_PROFILING - -#include "v8.h" - -#include "log-utils.h" -#include "cctest.h" - -using v8::internal::CStrVector; -using v8::internal::EmbeddedVector; -using v8::internal::LogDynamicBuffer; -using v8::internal::LogRecordCompressor; -using v8::internal::MutableCStrVector; -using v8::internal::ScopedVector; -using v8::internal::Vector; - -// Fills 'ref_buffer' with test data: a sequence of two-digit -// hex numbers: '0001020304...'. Then writes 'ref_buffer' contents to 'dynabuf'. -static void WriteData(LogDynamicBuffer* dynabuf, Vector<char>* ref_buffer) { - static const char kHex[] = "0123456789ABCDEF"; - CHECK_GT(ref_buffer->length(), 0); - CHECK_GT(513, ref_buffer->length()); - for (int i = 0, half_len = ref_buffer->length() >> 1; i < half_len; ++i) { - (*ref_buffer)[i << 1] = kHex[i >> 4]; - (*ref_buffer)[(i << 1) + 1] = kHex[i & 15]; - } - if (ref_buffer->length() & 1) { - ref_buffer->last() = kHex[ref_buffer->length() >> 5]; - } - CHECK_EQ(ref_buffer->length(), - dynabuf->Write(ref_buffer->start(), ref_buffer->length())); -} - - -static int ReadData( - LogDynamicBuffer* dynabuf, int start_pos, i::Vector<char>* buffer) { - return dynabuf->Read(start_pos, buffer->start(), buffer->length()); -} - - -// Helper function used by CHECK_EQ to compare Vectors. Templatized to -// accept both "char" and "const char" vector contents. -template <typename E, typename V> -static inline void CheckEqualsHelper(const char* file, int line, - const char* expected_source, - const Vector<E>& expected, - const char* value_source, - const Vector<V>& value) { - if (expected.length() != value.length()) { - V8_Fatal(file, line, "CHECK_EQ(%s, %s) failed\n" - "# Vectors lengths differ: %d expected, %d found\n" - "# Expected: %.*s\n" - "# Found: %.*s", - expected_source, value_source, - expected.length(), value.length(), - expected.length(), expected.start(), - value.length(), value.start()); - } - if (strncmp(expected.start(), value.start(), expected.length()) != 0) { - V8_Fatal(file, line, "CHECK_EQ(%s, %s) failed\n" - "# Vectors contents differ:\n" - "# Expected: %.*s\n" - "# Found: %.*s", - expected_source, value_source, - expected.length(), expected.start(), - value.length(), value.start()); - } -} - - -TEST(DynaBufSingleBlock) { - LogDynamicBuffer dynabuf(32, 32, "", 0); - EmbeddedVector<char, 32> ref_buf; - WriteData(&dynabuf, &ref_buf); - EmbeddedVector<char, 32> buf; - CHECK_EQ(32, dynabuf.Read(0, buf.start(), buf.length())); - CHECK_EQ(32, ReadData(&dynabuf, 0, &buf)); - CHECK_EQ(ref_buf, buf); - - // Verify that we can't read and write past the end. - CHECK_EQ(0, dynabuf.Read(32, buf.start(), buf.length())); - CHECK_EQ(0, dynabuf.Write(buf.start(), buf.length())); -} - - -TEST(DynaBufCrossBlocks) { - LogDynamicBuffer dynabuf(32, 128, "", 0); - EmbeddedVector<char, 48> ref_buf; - WriteData(&dynabuf, &ref_buf); - CHECK_EQ(48, dynabuf.Write(ref_buf.start(), ref_buf.length())); - // Verify that we can't write data when remaining buffer space isn't enough. - CHECK_EQ(0, dynabuf.Write(ref_buf.start(), ref_buf.length())); - EmbeddedVector<char, 48> buf; - CHECK_EQ(48, ReadData(&dynabuf, 0, &buf)); - CHECK_EQ(ref_buf, buf); - CHECK_EQ(48, ReadData(&dynabuf, 48, &buf)); - CHECK_EQ(ref_buf, buf); - CHECK_EQ(0, ReadData(&dynabuf, 48 * 2, &buf)); -} - - -TEST(DynaBufReadTruncation) { - LogDynamicBuffer dynabuf(32, 128, "", 0); - EmbeddedVector<char, 128> ref_buf; - WriteData(&dynabuf, &ref_buf); - EmbeddedVector<char, 128> buf; - CHECK_EQ(128, ReadData(&dynabuf, 0, &buf)); - CHECK_EQ(ref_buf, buf); - // Try to read near the end with a buffer larger than remaining data size. - EmbeddedVector<char, 48> tail_buf; - CHECK_EQ(32, ReadData(&dynabuf, 128 - 32, &tail_buf)); - CHECK_EQ(ref_buf.SubVector(128 - 32, 128), tail_buf.SubVector(0, 32)); -} - - -TEST(DynaBufSealing) { - const char* seal = "Sealed"; - const int seal_size = strlen(seal); - LogDynamicBuffer dynabuf(32, 128, seal, seal_size); - EmbeddedVector<char, 100> ref_buf; - WriteData(&dynabuf, &ref_buf); - // Try to write data that will not fit in the buffer. - CHECK_EQ(0, dynabuf.Write(ref_buf.start(), 128 - 100 - seal_size + 1)); - // Now the buffer is sealed, writing of any amount of data is forbidden. - CHECK_EQ(0, dynabuf.Write(ref_buf.start(), 1)); - EmbeddedVector<char, 100> buf; - CHECK_EQ(100, ReadData(&dynabuf, 0, &buf)); - CHECK_EQ(ref_buf, buf); - // Check the seal. - EmbeddedVector<char, 50> seal_buf; - CHECK_EQ(seal_size, ReadData(&dynabuf, 100, &seal_buf)); - CHECK_EQ(CStrVector(seal), seal_buf.SubVector(0, seal_size)); - // Verify that there's no data beyond the seal. - CHECK_EQ(0, ReadData(&dynabuf, 100 + seal_size, &buf)); -} - - -TEST(CompressorStore) { - LogRecordCompressor comp(2); - const Vector<const char> empty = CStrVector(""); - CHECK(comp.Store(empty)); - CHECK(!comp.Store(empty)); - CHECK(!comp.Store(empty)); - const Vector<const char> aaa = CStrVector("aaa"); - CHECK(comp.Store(aaa)); - CHECK(!comp.Store(aaa)); - CHECK(!comp.Store(aaa)); - CHECK(comp.Store(empty)); - CHECK(!comp.Store(empty)); - CHECK(!comp.Store(empty)); -} - - -void CheckCompression(LogRecordCompressor* comp, - const Vector<const char>& after) { - EmbeddedVector<char, 100> result; - CHECK(comp->RetrievePreviousCompressed(&result)); - CHECK_EQ(after, result); -} - - -void CheckCompression(LogRecordCompressor* comp, - const char* after) { - CheckCompression(comp, CStrVector(after)); -} - - -TEST(CompressorNonCompressed) { - LogRecordCompressor comp(0); - CHECK(!comp.RetrievePreviousCompressed(NULL)); - const Vector<const char> empty = CStrVector(""); - CHECK(comp.Store(empty)); - CHECK(!comp.RetrievePreviousCompressed(NULL)); - const Vector<const char> a_x_20 = CStrVector("aaaaaaaaaaaaaaaaaaaa"); - CHECK(comp.Store(a_x_20)); - CheckCompression(&comp, empty); - CheckCompression(&comp, empty); - CHECK(comp.Store(empty)); - CheckCompression(&comp, a_x_20); - CheckCompression(&comp, a_x_20); -} - - -TEST(CompressorSingleLine) { - LogRecordCompressor comp(1); - const Vector<const char> string_1 = CStrVector("eee,ddd,ccc,bbb,aaa"); - CHECK(comp.Store(string_1)); - const Vector<const char> string_2 = CStrVector("fff,ddd,ccc,bbb,aaa"); - CHECK(comp.Store(string_2)); - // string_1 hasn't been compressed. - CheckCompression(&comp, string_1); - CheckCompression(&comp, string_1); - const Vector<const char> string_3 = CStrVector("hhh,ggg,ccc,bbb,aaa"); - CHECK(comp.Store(string_3)); - // string_2 compressed using string_1. - CheckCompression(&comp, "fff#1:3"); - CheckCompression(&comp, "fff#1:3"); - CHECK(!comp.Store(string_3)); - // Expecting no changes. - CheckCompression(&comp, "fff#1:3"); - CHECK(!comp.Store(string_3)); - // Expecting no changes. - CheckCompression(&comp, "fff#1:3"); - const Vector<const char> string_4 = CStrVector("iii,hhh,ggg,ccc,bbb,aaa"); - CHECK(comp.Store(string_4)); - // string_3 compressed using string_2. - CheckCompression(&comp, "hhh,ggg#1:7"); - const Vector<const char> string_5 = CStrVector("nnn,mmm,lll,kkk,jjj"); - CHECK(comp.Store(string_5)); - // string_4 compressed using string_3. - CheckCompression(&comp, "iii,#1"); - const Vector<const char> string_6 = CStrVector("nnn,mmmmmm,lll,kkk,jjj"); - CHECK(comp.Store(string_6)); - // string_5 hasn't been compressed. - CheckCompression(&comp, string_5); - CHECK(comp.Store(string_5)); - // string_6 compressed using string_5. - CheckCompression(&comp, "nnn,mmm#1:4"); - const Vector<const char> string_7 = CStrVector("nnnnnn,mmm,lll,kkk,jjj"); - CHECK(comp.Store(string_7)); - // string_5 compressed using string_6. - CheckCompression(&comp, "nnn,#1:7"); - const Vector<const char> string_8 = CStrVector("xxn,mmm,lll,kkk,jjj"); - CHECK(comp.Store(string_8)); - // string_7 compressed using string_5. - CheckCompression(&comp, "nnn#1"); - const Vector<const char> string_9 = - CStrVector("aaaaaaaaaaaaa,bbbbbbbbbbbbbbbbb"); - CHECK(comp.Store(string_9)); - // string_8 compressed using string_7. - CheckCompression(&comp, "xx#1:5"); - const Vector<const char> string_10 = - CStrVector("aaaaaaaaaaaaa,cccccccbbbbbbbbbb"); - CHECK(comp.Store(string_10)); - // string_9 hasn't been compressed. - CheckCompression(&comp, string_9); - CHECK(comp.Store(string_1)); - // string_10 compressed using string_9. - CheckCompression(&comp, "aaaaaaaaaaaaa,ccccccc#1:21"); -} - - - -TEST(CompressorMultiLines) { - const int kWindowSize = 3; - LogRecordCompressor comp(kWindowSize); - const Vector<const char> string_1 = CStrVector("eee,ddd,ccc,bbb,aaa"); - CHECK(comp.Store(string_1)); - const Vector<const char> string_2 = CStrVector("iii,hhh,ggg,fff,aaa"); - CHECK(comp.Store(string_2)); - const Vector<const char> string_3 = CStrVector("mmm,lll,kkk,jjj,aaa"); - CHECK(comp.Store(string_3)); - const Vector<const char> string_4 = CStrVector("nnn,hhh,ggg,fff,aaa"); - CHECK(comp.Store(string_4)); - const Vector<const char> string_5 = CStrVector("ooo,lll,kkk,jjj,aaa"); - CHECK(comp.Store(string_5)); - // string_4 compressed using string_2. - CheckCompression(&comp, "nnn#2:3"); - CHECK(comp.Store(string_1)); - // string_5 compressed using string_3. - CheckCompression(&comp, "ooo#2:3"); - CHECK(comp.Store(string_4)); - // string_1 is out of buffer by now, so it shouldn't be compressed. - CHECK_GE(3, kWindowSize); - CheckCompression(&comp, string_1); - CHECK(comp.Store(string_2)); - // string_4 compressed using itself. - CheckCompression(&comp, "#3"); -} - - -TEST(CompressorBestSelection) { - LogRecordCompressor comp(3); - const Vector<const char> string_1 = CStrVector("eee,ddd,ccc,bbb,aaa"); - CHECK(comp.Store(string_1)); - const Vector<const char> string_2 = CStrVector("ddd,ccc,bbb,aaa"); - CHECK(comp.Store(string_2)); - const Vector<const char> string_3 = CStrVector("fff,eee,ddd,ccc,bbb,aaa"); - CHECK(comp.Store(string_3)); - // string_2 compressed using string_1. - CheckCompression(&comp, "#1:4"); - const Vector<const char> string_4 = CStrVector("nnn,hhh,ggg,fff,aaa"); - CHECK(comp.Store(string_4)); - // Compressing string_3 using string_1 gives a better compression than - // using string_2. - CheckCompression(&comp, "fff,#2"); -} - - -TEST(CompressorCompressibility) { - LogRecordCompressor comp(2); - const Vector<const char> string_1 = CStrVector("eee,ddd,ccc,bbb,aaa"); - CHECK(comp.Store(string_1)); - const Vector<const char> string_2 = CStrVector("ccc,bbb,aaa"); - CHECK(comp.Store(string_2)); - const Vector<const char> string_3 = CStrVector("aaa"); - CHECK(comp.Store(string_3)); - // string_2 compressed using string_1. - CheckCompression(&comp, "#1:8"); - const Vector<const char> string_4 = CStrVector("xxx"); - CHECK(comp.Store(string_4)); - // string_3 can't be compressed using string_2 --- too short. - CheckCompression(&comp, string_3); -} - -#endif // ENABLE_LOGGING_AND_PROFILING |