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
39