lldb/unittests/Utility/UUIDTest.cpp

   1 //===-- UUIDTest.cpp ------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "gtest/gtest.h"
  10
  11 #include "lldb/Utility/UUID.h"
  12
  13 using namespace lldb_private;
  14
  15 TEST(UUIDTest, RelationalOperators) {
  16   UUID empty;
  17   UUID a16 = UUID("1234567890123456", 16);
  18   UUID b16 = UUID("1234567890123457", 16);
  19   UUID a20 = UUID("12345678901234567890", 20);
  20   UUID b20 = UUID("12345678900987654321", 20);
  21
  22   EXPECT_EQ(empty, empty);
  23   EXPECT_EQ(a16, a16);
  24   EXPECT_EQ(a20, a20);
  25
  26   EXPECT_NE(a16, b16);
  27   EXPECT_NE(a20, b20);
  28   EXPECT_NE(a16, a20);
  29   EXPECT_NE(empty, a16);
  30
  31   EXPECT_LT(empty, a16);
  32   EXPECT_LT(a16, a20);
  33   EXPECT_LT(a16, b16);
  34   EXPECT_GT(a20, b20);
  35 }
  36
  37 TEST(UUIDTest, Validity) {
  38   UUID empty;
  39   std::vector<uint8_t> zeroes(20, 0);
  40   UUID a16 = UUID(zeroes.data(), 16);
  41   UUID a20 = UUID(zeroes.data(), 20);
  42   UUID from_str;
  43   from_str.SetFromStringRef("00000000-0000-0000-0000-000000000000");
  44
  45   EXPECT_FALSE(empty);
  46   EXPECT_FALSE(a16);
  47   EXPECT_FALSE(a20);
  48   EXPECT_FALSE(from_str);
  49 }
  50
  51 TEST(UUIDTest, SetFromStringRef) {
  52   UUID u;
  53   EXPECT_TRUE(u.SetFromStringRef("404142434445464748494a4b4c4d4e4f"));
  54   EXPECT_EQ(UUID("@ABCDEFGHIJKLMNO", 16), u);
  55
  56   EXPECT_TRUE(u.SetFromStringRef("40-41-42-43-4445464748494a4b4c4d4e4f"));
  57   EXPECT_EQ(UUID("@ABCDEFGHIJKLMNO", 16), u);
  58
  59   EXPECT_TRUE(
  60       u.SetFromStringRef("40-41-42-43-4445464748494a4b4c4d4e4f-50515253"));
  61   EXPECT_EQ(UUID("@ABCDEFGHIJKLMNOPQRS", 20), u);
  62
  63   EXPECT_TRUE(u.SetFromStringRef("40-41-42-43-4445464748494a4b4c4d4e4f"));
  64
  65   EXPECT_FALSE(u.SetFromStringRef("40xxxxx"));
  66   EXPECT_FALSE(u.SetFromStringRef(""));
  67   EXPECT_EQ(UUID("@ABCDEFGHIJKLMNO", 16), u)
  68       << "uuid was changed by failed parse calls";
  69
  70   EXPECT_TRUE(u.SetFromStringRef("404142434445464748494a4b4c4d4e4f-50515253"));
  71   EXPECT_EQ(UUID("@ABCDEFGHIJKLMNOPQRS", 20), u);
  72
  73   EXPECT_TRUE(u.SetFromStringRef("40414243"));
  74   EXPECT_EQ(UUID("@ABCD", 4), u);
  75
  76   EXPECT_FALSE(u.SetFromStringRef("4"));
  77 }
  78
  79 TEST(UUIDTest, StringConverion) {
  80   EXPECT_EQ("40414243", UUID("@ABC", 4).GetAsString());
  81   EXPECT_EQ("40414243-4445-4647", UUID("@ABCDEFG", 8).GetAsString());
  82   EXPECT_EQ("40414243-4445-4647-4849-4A4B",
  83             UUID("@ABCDEFGHIJK", 12).GetAsString());
  84   EXPECT_EQ("40414243-4445-4647-4849-4A4B4C4D4E4F",
  85             UUID("@ABCDEFGHIJKLMNO", 16).GetAsString());
  86   EXPECT_EQ("40414243-4445-4647-4849-4A4B4C4D4E4F-50515253",
  87             UUID("@ABCDEFGHIJKLMNOPQRS", 20).GetAsString());
  88 }