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// Copyright (c) 2019 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/third_party/quiche/src/quic/core/qpack/qpack_index_conversions.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
namespace quic {
namespace test {
namespace {
struct {
uint64_t relative_index;
uint64_t inserted_entry_count;
uint64_t expected_absolute_index;
} kEncoderStreamRelativeIndexTestData[] = {{0, 1, 0}, {0, 2, 1}, {1, 2, 0},
{0, 10, 9}, {5, 10, 4}, {9, 10, 0}};
TEST(QpackIndexConversions, EncoderStreamRelativeIndex) {
for (const auto& test_data : kEncoderStreamRelativeIndexTestData) {
uint64_t absolute_index = 42;
EXPECT_TRUE(QpackEncoderStreamRelativeIndexToAbsoluteIndex(
test_data.relative_index, test_data.inserted_entry_count,
&absolute_index));
EXPECT_EQ(test_data.expected_absolute_index, absolute_index);
EXPECT_EQ(test_data.relative_index,
QpackAbsoluteIndexToEncoderStreamRelativeIndex(
absolute_index, test_data.inserted_entry_count));
}
}
struct {
uint64_t relative_index;
uint64_t base;
uint64_t expected_absolute_index;
} kRequestStreamRelativeIndexTestData[] = {{0, 1, 0}, {0, 2, 1}, {1, 2, 0},
{0, 10, 9}, {5, 10, 4}, {9, 10, 0}};
TEST(QpackIndexConversions, RequestStreamRelativeIndex) {
for (const auto& test_data : kRequestStreamRelativeIndexTestData) {
uint64_t absolute_index = 42;
EXPECT_TRUE(QpackRequestStreamRelativeIndexToAbsoluteIndex(
test_data.relative_index, test_data.base, &absolute_index));
EXPECT_EQ(test_data.expected_absolute_index, absolute_index);
EXPECT_EQ(test_data.relative_index,
QpackAbsoluteIndexToRequestStreamRelativeIndex(absolute_index,
test_data.base));
}
}
struct {
uint64_t post_base_index;
uint64_t base;
uint64_t expected_absolute_index;
} kPostBaseIndexTestData[] = {{0, 1, 1}, {1, 0, 1}, {2, 0, 2},
{1, 1, 2}, {0, 2, 2}, {1, 2, 3}};
TEST(QpackIndexConversions, PostBaseIndex) {
for (const auto& test_data : kPostBaseIndexTestData) {
uint64_t absolute_index = 42;
EXPECT_TRUE(QpackPostBaseIndexToAbsoluteIndex(
test_data.post_base_index, test_data.base, &absolute_index));
EXPECT_EQ(test_data.expected_absolute_index, absolute_index);
}
}
TEST(QpackIndexConversions, EncoderStreamRelativeIndexUnderflow) {
uint64_t absolute_index;
EXPECT_FALSE(QpackEncoderStreamRelativeIndexToAbsoluteIndex(
/* relative_index = */ 10,
/* inserted_entry_count = */ 10, &absolute_index));
EXPECT_FALSE(QpackEncoderStreamRelativeIndexToAbsoluteIndex(
/* relative_index = */ 12,
/* inserted_entry_count = */ 10, &absolute_index));
}
TEST(QpackIndexConversions, RequestStreamRelativeIndexUnderflow) {
uint64_t absolute_index;
EXPECT_FALSE(QpackRequestStreamRelativeIndexToAbsoluteIndex(
/* relative_index = */ 10,
/* base = */ 10, &absolute_index));
EXPECT_FALSE(QpackRequestStreamRelativeIndexToAbsoluteIndex(
/* relative_index = */ 12,
/* base = */ 10, &absolute_index));
}
TEST(QpackIndexConversions, QpackPostBaseIndexToAbsoluteIndexOverflow) {
uint64_t absolute_index;
EXPECT_FALSE(QpackPostBaseIndexToAbsoluteIndex(
/* post_base_index = */ 20,
/* base = */ std::numeric_limits<uint64_t>::max() - 10, &absolute_index));
}
} // namespace
} // namespace test
} // namespace quic
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