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Unified Diff: net/quic/quic_data_writer_test.cc

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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Index: net/quic/quic_data_writer_test.cc
diff --git a/net/quic/quic_data_writer_test.cc b/net/quic/quic_data_writer_test.cc
deleted file mode 100644
index 01b3c6d060b40fdf9f77cb587b65e5ebb365f876..0000000000000000000000000000000000000000
--- a/net/quic/quic_data_writer_test.cc
+++ /dev/null
@@ -1,164 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "net/quic/quic_data_writer.h"
-
-#include "base/memory/scoped_ptr.h"
-#include "net/quic/quic_data_reader.h"
-#include "net/test/gtest_util.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace net {
-namespace test {
-namespace {
-
-TEST(QuicDataWriterTest, WriteUInt8ToOffset) {
- char buffer[4];
- QuicDataWriter writer(4, buffer);
-
- writer.WriteUInt32(0xfefdfcfb);
- EXPECT_TRUE(writer.WriteUInt8ToOffset(1, 0));
- EXPECT_TRUE(writer.WriteUInt8ToOffset(2, 1));
- EXPECT_TRUE(writer.WriteUInt8ToOffset(3, 2));
- EXPECT_TRUE(writer.WriteUInt8ToOffset(4, 3));
-
- EXPECT_EQ(1, writer.data()[0]);
- EXPECT_EQ(2, writer.data()[1]);
- EXPECT_EQ(3, writer.data()[2]);
- EXPECT_EQ(4, writer.data()[3]);
-}
-
-TEST(QuicDataWriterDeathTest, WriteUInt8ToOffset) {
- char buffer[4];
- QuicDataWriter writer(4, buffer);
-
- EXPECT_DFATAL(EXPECT_FALSE(writer.WriteUInt8ToOffset(5, 4)),
- "offset: 4 >= capacity: 4");
-}
-
-TEST(QuicDataWriterTest, SanityCheckUFloat16Consts) {
- // Check the arithmetic on the constants - otherwise the values below make
- // no sense.
- EXPECT_EQ(30, kUFloat16MaxExponent);
- EXPECT_EQ(11, kUFloat16MantissaBits);
- EXPECT_EQ(12, kUFloat16MantissaEffectiveBits);
- EXPECT_EQ(GG_UINT64_C(0x3FFC0000000), kUFloat16MaxValue);
-}
-
-TEST(QuicDataWriterTest, WriteUFloat16) {
- struct TestCase {
- uint64 decoded;
- uint16 encoded;
- };
- TestCase test_cases[] = {
- // Small numbers represent themselves.
- { 0, 0 }, { 1, 1 }, { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 6, 6 },
- { 7, 7 }, { 15, 15 }, { 31, 31 }, { 42, 42 }, { 123, 123 }, { 1234, 1234 },
- // Check transition through 2^11.
- { 2046, 2046 }, { 2047, 2047 }, { 2048, 2048 }, { 2049, 2049 },
- // Running out of mantissa at 2^12.
- { 4094, 4094 }, { 4095, 4095 }, { 4096, 4096 }, { 4097, 4096 },
- { 4098, 4097 }, { 4099, 4097 }, { 4100, 4098 }, { 4101, 4098 },
- // Check transition through 2^13.
- { 8190, 6143 }, { 8191, 6143 }, { 8192, 6144 }, { 8193, 6144 },
- { 8194, 6144 }, { 8195, 6144 }, { 8196, 6145 }, { 8197, 6145 },
- // Half-way through the exponents.
- { 0x7FF8000, 0x87FF }, { 0x7FFFFFF, 0x87FF }, { 0x8000000, 0x8800 },
- { 0xFFF0000, 0x8FFF }, { 0xFFFFFFF, 0x8FFF }, { 0x10000000, 0x9000 },
- // Transition into the largest exponent.
- { 0x1FFFFFFFFFE, 0xF7FF}, { 0x1FFFFFFFFFF, 0xF7FF},
- { 0x20000000000, 0xF800}, { 0x20000000001, 0xF800},
- { 0x2003FFFFFFE, 0xF800}, { 0x2003FFFFFFF, 0xF800},
- { 0x20040000000, 0xF801}, { 0x20040000001, 0xF801},
- // Transition into the max value and clamping.
- { 0x3FF80000000, 0xFFFE}, { 0x3FFBFFFFFFF, 0xFFFE},
- { 0x3FFC0000000, 0xFFFF}, { 0x3FFC0000001, 0xFFFF},
- { 0x3FFFFFFFFFF, 0xFFFF}, { 0x40000000000, 0xFFFF},
- { 0xFFFFFFFFFFFFFFFF, 0xFFFF},
- };
- int num_test_cases = sizeof(test_cases) / sizeof(test_cases[0]);
-
- for (int i = 0; i < num_test_cases; ++i) {
- char buffer[2];
- QuicDataWriter writer(2, buffer);
- EXPECT_TRUE(writer.WriteUFloat16(test_cases[i].decoded));
- EXPECT_EQ(test_cases[i].encoded, *reinterpret_cast<uint16*>(writer.data()));
- }
-}
-
-TEST(QuicDataWriterTest, ReadUFloat16) {
- struct TestCase {
- uint64 decoded;
- uint16 encoded;
- };
- TestCase test_cases[] = {
- // There are fewer decoding test cases because encoding truncates, and
- // decoding returns the smallest expansion.
- // Small numbers represent themselves.
- { 0, 0 }, { 1, 1 }, { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 6, 6 },
- { 7, 7 }, { 15, 15 }, { 31, 31 }, { 42, 42 }, { 123, 123 }, { 1234, 1234 },
- // Check transition through 2^11.
- { 2046, 2046 }, { 2047, 2047 }, { 2048, 2048 }, { 2049, 2049 },
- // Running out of mantissa at 2^12.
- { 4094, 4094 }, { 4095, 4095 }, { 4096, 4096 },
- { 4098, 4097 }, { 4100, 4098 },
- // Check transition through 2^13.
- { 8190, 6143 }, { 8192, 6144 }, { 8196, 6145 },
- // Half-way through the exponents.
- { 0x7FF8000, 0x87FF }, { 0x8000000, 0x8800 },
- { 0xFFF0000, 0x8FFF }, { 0x10000000, 0x9000 },
- // Transition into the largest exponent.
- { 0x1FFE0000000, 0xF7FF}, { 0x20000000000, 0xF800},
- { 0x20040000000, 0xF801},
- // Transition into the max value.
- { 0x3FF80000000, 0xFFFE}, { 0x3FFC0000000, 0xFFFF},
- };
- int num_test_cases = sizeof(test_cases) / sizeof(test_cases[0]);
-
- for (int i = 0; i < num_test_cases; ++i) {
- QuicDataReader reader(reinterpret_cast<char*>(&test_cases[i].encoded), 2);
- uint64 value;
- EXPECT_TRUE(reader.ReadUFloat16(&value));
- EXPECT_EQ(test_cases[i].decoded, value);
- }
-}
-
-TEST(QuicDataWriterTest, RoundTripUFloat16) {
- // Just test all 16-bit encoded values. 0 and max already tested above.
- uint64 previous_value = 0;
- for (uint16 i = 1; i < 0xFFFF; ++i) {
- // Read the two bytes.
- QuicDataReader reader(reinterpret_cast<char*>(&i), 2);
- uint64 value;
- // All values must be decodable.
- EXPECT_TRUE(reader.ReadUFloat16(&value));
- // Check that small numbers represent themselves
- if (i < 4097)
- EXPECT_EQ(i, value);
- // Check there's monotonic growth.
- EXPECT_LT(previous_value, value);
- // Check that precision is within 0.5% away from the denormals.
- if (i > 2000)
- EXPECT_GT(previous_value * 1005, value * 1000);
- // Check we're always within the promised range.
- EXPECT_LT(value, GG_UINT64_C(0x3FFC0000000));
- previous_value = value;
- char buffer[6];
- QuicDataWriter writer(6, buffer);
- EXPECT_TRUE(writer.WriteUFloat16(value - 1));
- EXPECT_TRUE(writer.WriteUFloat16(value));
- EXPECT_TRUE(writer.WriteUFloat16(value + 1));
- // Check minimal decoding (previous decoding has previous encoding).
- EXPECT_EQ(i - 1, *reinterpret_cast<uint16*>(writer.data()));
- // Check roundtrip.
- EXPECT_EQ(i, *reinterpret_cast<uint16*>(writer.data() + 2));
- // Check next decoding.
- EXPECT_EQ(i < 4096 ? i + 1 : i,
- *reinterpret_cast<uint16*>(writer.data() + 4));
- }
-}
-
-} // namespace
-} // namespace test
-} // namespace net
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