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// Copyright (c) 2009 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/http/http_byte_range.h"
#include "testing/gtest/include/gtest/gtest.h"
TEST(HttpByteRangeTest, ValidRanges) {
const struct {
int64 first_byte_position;
int64 last_byte_position;
int64 suffix_length;
bool valid;
} tests[] = {
{ -1, -1, 0, false },
{ 0, 0, 0, true },
{ -10, 0, 0, false },
{ 10, 0, 0, false },
{ 10, -1, 0, true },
{ -1, -1, -1, false },
{ -1, 50, 0, false },
{ 10, 10000, 0, true },
{ -1, -1, 100000, true },
};
for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
net::HttpByteRange range;
range.set_first_byte_position(tests[i].first_byte_position);
range.set_last_byte_position(tests[i].last_byte_position);
range.set_suffix_length(tests[i].suffix_length);
EXPECT_EQ(tests[i].valid, range.IsValid());
}
}
TEST(HttpByteRangeTest, SetInstanceSize) {
const struct {
int64 first_byte_position;
int64 last_byte_position;
int64 suffix_length;
int64 instance_size;
bool expected_return_value;
int64 expected_lower_bound;
int64 expected_upper_bound;
} tests[] = {
{ -10, 0, -1, 0, false, -1, -1 },
{ 10, 0, -1, 0, false, -1, -1 },
// Zero instance size is valid, this is the case that user has to handle.
{ -1, -1, -1, 0, true, 0, -1 },
{ -1, -1, 500, 0, true, 0, -1 },
{ -1, 50, -1, 0, false, -1, -1 },
{ -1, -1, 500, 300, true, 0, 299 },
{ -1, -1, -1, 100, true, 0, 99 },
{ 10, -1, -1, 100, true, 10, 99 },
{ -1, -1, 500, 1000, true, 500, 999 },
{ 10, 10000, -1, 1000000, true, 10, 10000 },
};
for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
net::HttpByteRange range;
range.set_first_byte_position(tests[i].first_byte_position);
range.set_last_byte_position(tests[i].last_byte_position);
range.set_suffix_length(tests[i].suffix_length);
bool return_value = range.ComputeBounds(tests[i].instance_size);
EXPECT_EQ(tests[i].expected_return_value, return_value);
if (return_value) {
EXPECT_EQ(tests[i].expected_lower_bound, range.first_byte_position());
EXPECT_EQ(tests[i].expected_upper_bound, range.last_byte_position());
// Try to call SetInstanceSize the second time.
EXPECT_FALSE(range.ComputeBounds(tests[i].instance_size));
// And expect there's no side effect.
EXPECT_EQ(tests[i].expected_lower_bound, range.first_byte_position());
EXPECT_EQ(tests[i].expected_upper_bound, range.last_byte_position());
EXPECT_EQ(tests[i].suffix_length, range.suffix_length());
}
}
}
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