File: FPExceptMatcher.h

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-10.1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,999,140 kB
  • sloc: cpp: 6,951,711; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,033; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,252; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (69 lines) | stat: -rw-r--r-- 2,176 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
//===-- FPExceptMatcher.h ---------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIBC_TEST_UNITTEST_FPEXCEPTMATCHER_H
#define LLVM_LIBC_TEST_UNITTEST_FPEXCEPTMATCHER_H

#include "src/__support/macros/config.h"
#include "test/UnitTest/Test.h"
#include "test/UnitTest/TestLogger.h"

#if LIBC_TEST_HAS_MATCHERS()

namespace LIBC_NAMESPACE_DECL {
namespace testing {

// TODO: Make the matcher match specific exceptions instead of just identifying
// that an exception was raised.
class FPExceptMatcher : public Matcher<bool> {
  bool exceptionRaised;

public:
  class FunctionCaller {
  public:
    virtual ~FunctionCaller() {}
    virtual void call() = 0;
  };

  template <typename Func> static FunctionCaller *getFunctionCaller(Func func) {
    struct Callable : public FunctionCaller {
      Func f;
      explicit Callable(Func theFunc) : f(theFunc) {}
      void call() override { f(); }
    };

    return new Callable(func);
  }

  // Takes ownership of func.
  explicit FPExceptMatcher(FunctionCaller *func);

  bool match(bool unused) { return exceptionRaised; }

  void explainError() override {
    tlog << "A floating point exception should have been raised but it "
         << "wasn't\n";
  }
};

} // namespace testing
} // namespace LIBC_NAMESPACE_DECL

#define ASSERT_RAISES_FP_EXCEPT(func)                                          \
  ASSERT_THAT(                                                                 \
      true,                                                                    \
      LIBC_NAMESPACE::testing::FPExceptMatcher(                                \
          LIBC_NAMESPACE::testing::FPExceptMatcher::getFunctionCaller(func)))

#else // !LIBC_TEST_HAS_MATCHERS()

#define ASSERT_RAISES_FP_EXCEPT(func) ASSERT_DEATH(func, WITH_SIGNAL(SIGFPE))

#endif // LIBC_TEST_HAS_MATCHERS()

#endif // LLVM_LIBC_TEST_UNITTEST_FPEXCEPTMATCHER_H