net/http/http_byte_range_unittest.cc

   1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "net/http/http_byte_range.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7
   8 TEST(HttpByteRangeTest, ValidRanges) {
   9   const struct {
  10     int64 first_byte_position;
  11     int64 last_byte_position;
  12     int64 suffix_length;
  13     bool valid;
  14   } tests[] = {
  15     {  -1, -1,  0, false },
  16     {   0,  0,  0, true  },
  17     { -10,  0,  0, false },
  18     {  10,  0,  0, false },
  19     {  10, -1,  0, true  },
  20     {  -1, -1, -1, false },
  21     {  -1, 50,  0, false },
  22     {  10, 10000, 0, true },
  23     {  -1, -1, 100000, true },
  24   };
  25
  26   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
  27     net::HttpByteRange range;
  28     range.set_first_byte_position(tests[i].first_byte_position);
  29     range.set_last_byte_position(tests[i].last_byte_position);
  30     range.set_suffix_length(tests[i].suffix_length);
  31     EXPECT_EQ(tests[i].valid, range.IsValid());
  32   }
  33 }
  34
  35 TEST(HttpByteRangeTest, SetInstanceSize) {
  36   const struct {
  37     int64 first_byte_position;
  38     int64 last_byte_position;
  39     int64 suffix_length;
  40     int64 instance_size;
  41     bool expected_return_value;
  42     int64 expected_lower_bound;
  43     int64 expected_upper_bound;
  44   } tests[] = {
  45     { -10,  0,  -1,   0, false,  -1,  -1 },
  46     {  10,  0,  -1,   0, false,  -1,  -1 },
  47     // Zero instance size is valid, this is the case that user has to handle.
  48     {  -1, -1,  -1,   0,  true,   0,  -1 },
  49     {  -1, -1, 500,   0,  true,   0,  -1 },
  50     {  -1, 50,  -1,   0, false,  -1,  -1 },
  51     {  -1, -1, 500, 300,  true,   0, 299 },
  52     {  -1, -1,  -1, 100,  true,   0,  99 },
  53     {  10, -1,  -1, 100,  true,  10,  99 },
  54     {  -1, -1, 500, 1000, true, 500, 999 },
  55     {  10, 10000, -1, 1000000, true, 10, 10000 },
  56   };
  57
  58   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
  59     net::HttpByteRange range;
  60     range.set_first_byte_position(tests[i].first_byte_position);
  61     range.set_last_byte_position(tests[i].last_byte_position);
  62     range.set_suffix_length(tests[i].suffix_length);
  63
  64     bool return_value = range.ComputeBounds(tests[i].instance_size);
  65     EXPECT_EQ(tests[i].expected_return_value, return_value);
  66     if (return_value) {
  67       EXPECT_EQ(tests[i].expected_lower_bound, range.first_byte_position());
  68       EXPECT_EQ(tests[i].expected_upper_bound, range.last_byte_position());
  69
  70       // Try to call SetInstanceSize the second time.
  71       EXPECT_FALSE(range.ComputeBounds(tests[i].instance_size));
  72       // And expect there's no side effect.
  73       EXPECT_EQ(tests[i].expected_lower_bound, range.first_byte_position());
  74       EXPECT_EQ(tests[i].expected_upper_bound, range.last_byte_position());
  75       EXPECT_EQ(tests[i].suffix_length, range.suffix_length());
  76     }
  77   }
  78 }
  79
  80 TEST(HttpByteRangeTest, GetHeaderValue) {
  81   static const struct {
  82     net::HttpByteRange range;
  83     const char* expected;
  84   } tests[] = {{net::HttpByteRange::Bounded(0, 0),       "bytes=0-0"},
  85                {net::HttpByteRange::Bounded(0, 100),     "bytes=0-100"},
  86                {net::HttpByteRange::Bounded(0, -1),      "bytes=0-"},
  87                {net::HttpByteRange::RightUnbounded(100), "bytes=100-"},
  88                {net::HttpByteRange::Suffix(100),         "bytes=-100"}, };
  89   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
  90     EXPECT_EQ(tests[i].expected, tests[i].range.GetHeaderValue());
  91   }
  92 }