llvm/unittests/Support/FSUniqueIDTest.cpp

   1 //===- llvm/unittest/Support/FSUniqueIDTest.cpp - Test sys::fs::UniqueID --===//
   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 "llvm/Support/FileSystem/UniqueID.h"
  10 #include "gtest/gtest.h"
  11
  12 using namespace llvm;
  13 using namespace llvm::sys::fs;
  14
  15 namespace {
  16
  17 TEST(FSUniqueIDTest, construct) {
  18   EXPECT_EQ(20u, UniqueID(20, 10).getDevice());
  19   EXPECT_EQ(10u, UniqueID(20, 10).getFile());
  20 }
  21
  22 TEST(FSUniqueIDTest, equals) {
  23   EXPECT_EQ(UniqueID(20, 10), UniqueID(20, 10));
  24   EXPECT_NE(UniqueID(20, 20), UniqueID(20, 10));
  25   EXPECT_NE(UniqueID(10, 10), UniqueID(20, 10));
  26 }
  27
  28 TEST(FSUniqueIDTest, less) {
  29   EXPECT_FALSE(UniqueID(20, 2) < UniqueID(20, 2));
  30   EXPECT_FALSE(UniqueID(20, 3) < UniqueID(20, 2));
  31   EXPECT_FALSE(UniqueID(30, 2) < UniqueID(20, 2));
  32   EXPECT_FALSE(UniqueID(30, 2) < UniqueID(20, 40));
  33   EXPECT_TRUE(UniqueID(20, 2) < UniqueID(20, 3));
  34   EXPECT_TRUE(UniqueID(20, 2) < UniqueID(30, 2));
  35   EXPECT_TRUE(UniqueID(20, 40) < UniqueID(30, 2));
  36 }
  37
  38 } // anonymous namespace