1 //===-- extensible_address_test.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 // This file is a part of the ORC runtime.
10 //
11 // Note:
12 //   This unit test was adapted from
13 //   llvm/unittests/Support/ExecutorAddressTest.cpp
14 //
15 //===----------------------------------------------------------------------===//
16 
17 #include "executor_address.h"
18 #include "gtest/gtest.h"
19 
20 using namespace __orc_rt;
21 
22 TEST(ExecutorAddrTest, DefaultAndNull) {
23   // Check that default constructed values and isNull behave as expected.
24 
25   ExecutorAddr Default;
26   ExecutorAddr Null(0);
27   ExecutorAddr NonNull(1);
28 
29   EXPECT_TRUE(Null.isNull());
30   EXPECT_EQ(Default, Null);
31 
32   EXPECT_FALSE(NonNull.isNull());
33   EXPECT_NE(Default, NonNull);
34 }
35 
36 TEST(ExecutorAddrTest, Ordering) {
37   // Check that ordering operations.
38   ExecutorAddr A1(1), A2(2);
39 
40   EXPECT_LE(A1, A1);
41   EXPECT_LT(A1, A2);
42   EXPECT_GT(A2, A1);
43   EXPECT_GE(A2, A2);
44 }
45 
46 TEST(ExecutorAddrTest, PtrConversion) {
47   // Test toPtr / fromPtr round-tripping.
48   int X = 0;
49   auto XAddr = ExecutorAddr::fromPtr(&X);
50   int *XPtr = XAddr.toPtr<int *>();
51 
52   EXPECT_EQ(XPtr, &X);
53 }
54 
55 TEST(ExecutorAddrTest, AddrRanges) {
56   ExecutorAddr A0(0), A1(1), A2(2), A3(3);
57   ExecutorAddrRange R0(A0, A1), R1(A1, A2), R2(A2, A3), R3(A0, A2), R4(A1, A3);
58   //     012
59   // R0: #      -- Before R1
60   // R1:  #     --
61   // R2:   #    -- After R1
62   // R3: ##     -- Overlaps R1 start
63   // R4:  ##    -- Overlaps R1 end
64 
65   EXPECT_EQ(R1, ExecutorAddrRange(A1, A2));
66   EXPECT_EQ(R1, ExecutorAddrRange(A1, ExecutorAddrDiff(1)));
67   EXPECT_NE(R1, R2);
68 
69   EXPECT_TRUE(R1.contains(A1));
70   EXPECT_FALSE(R1.contains(A0));
71   EXPECT_FALSE(R1.contains(A2));
72 
73   EXPECT_FALSE(R1.overlaps(R0));
74   EXPECT_FALSE(R1.overlaps(R2));
75   EXPECT_TRUE(R1.overlaps(R3));
76   EXPECT_TRUE(R1.overlaps(R4));
77 }
78 
79 TEST(ExecutorAddrTest, Hashable) {
80   uint64_t RawAddr = 0x1234567890ABCDEF;
81   ExecutorAddr Addr(RawAddr);
82 
83   EXPECT_EQ(std::hash<uint64_t>()(RawAddr), std::hash<ExecutorAddr>()(Addr));
84 }
85