ceph/src/test/common/test_pretty_binary.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #include "common/pretty_binary.h"
   5
   6 #include "gtest/gtest.h"
   7
   8 TEST(pretty_binary, print) {
   9   ASSERT_EQ(pretty_binary_string(std::string("foo\001\002bars")), std::string("'foo'0x0102'bars'"));
  10   ASSERT_EQ(pretty_binary_string(std::string("foo''bars")), std::string("'foo''''bars'"));
  11   ASSERT_EQ(pretty_binary_string(std::string("foo\377  \200!!")), std::string("'foo'0xFF2020802121"));
  12   ASSERT_EQ(pretty_binary_string(std::string("\001\002\003\004")), std::string("0x01020304"));
  13 }
  14
  15 TEST(pretty_binary, unprint) {
  16   ASSERT_EQ(pretty_binary_string_reverse(std::string("'foo'0x0102'bars'")), std::string("foo\001\002bars"));
  17   ASSERT_EQ(pretty_binary_string_reverse(std::string("'foo''''bars'")), std::string("foo''bars"));
  18   ASSERT_EQ(pretty_binary_string_reverse(std::string("'foo'0xFF2020802121")), std::string("foo\377  \200!!"));
  19   ASSERT_EQ(pretty_binary_string_reverse(std::string("0x01020304")),std::string("\001\002\003\004"));
  20 }
  21
  22 TEST(pretty_binary, all_chars) {
  23   std::string a;
  24   for (unsigned j = 0; j < 256; ++j) {
  25     a.push_back((char)j);
  26   }
  27   std::string b = pretty_binary_string(a);
  28   ASSERT_EQ(a, pretty_binary_string_reverse(b));
  29 }
  30
  31 TEST(pretty_binary, random) {
  32   for (size_t i = 0; i < 100000; i++) {
  33     std::string a;
  34     size_t r = rand() % 100;
  35     for (size_t j = 0; j < r; ++j) {
  36       a.push_back((unsigned char)rand());
  37     }
  38     std::string b = pretty_binary_string(a);
  39     ASSERT_EQ(a, pretty_binary_string_reverse(b));
  40   }
  41 }
  42
  43 TEST(pretty_binary, invalid) {
  44   ASSERT_THROW(pretty_binary_string_reverse("'"), std::invalid_argument);
  45   ASSERT_THROW(pretty_binary_string_reverse("0x1"), std::invalid_argument);
  46   ASSERT_THROW(pretty_binary_string_reverse("0x"), std::invalid_argument);
  47   ASSERT_THROW(pretty_binary_string_reverse("'''"), std::invalid_argument);
  48   ASSERT_THROW(pretty_binary_string_reverse("'a'x"), std::invalid_argument);
  49   ASSERT_THROW(pretty_binary_string_reverse("'a'0x"), std::invalid_argument);
  50 }