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//===-- flang/unittests/Runtime/CrashHandlerFixture.cpp ---------*- 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
//
//===----------------------------------------------------------------------===//
//
/// Selected APIs are tested here to support development of unit tests for other
/// runtime components and ensure the test fixture handles crashes as we expect.
//
//===----------------------------------------------------------------------===//
#include "CrashHandlerFixture.h"
#include "tools.h"
#include "../../runtime/terminator.h"
#include "flang/Runtime/io-api.h"
#include "flang/Runtime/transformational.h"
#include <gtest/gtest.h>
using namespace Fortran::runtime;
using namespace Fortran::runtime::io;
using Fortran::common::TypeCategory;
//------------------------------------------------------------------------------
/// Test crashes through direct calls to terminator methods
//------------------------------------------------------------------------------
struct TestTerminator : CrashHandlerFixture {};
#define TEST_CRASH_HANDLER_MESSAGE \
"Intentionally crashing runtime for unit test"
TEST(TestTerminator, CrashTest) {
static Fortran::runtime::Terminator t;
ASSERT_DEATH(t.Crash(TEST_CRASH_HANDLER_MESSAGE), TEST_CRASH_HANDLER_MESSAGE);
}
#undef TEST_CRASH_HANDLER_MESSAGE
TEST(TestTerminator, CheckFailedLocationTest) {
static Fortran::runtime::Terminator t;
ASSERT_DEATH(t.CheckFailed("predicate", "someFileName", 789),
"RUNTIME_CHECK\\(predicate\\) failed at someFileName\\(789\\)");
}
TEST(TestTerminator, CheckFailedTest) {
static Fortran::runtime::Terminator t;
ASSERT_DEATH(t.CheckFailed("predicate"),
"RUNTIME_CHECK\\(predicate\\) failed at \\(null\\)\\(0\\)");
}
//------------------------------------------------------------------------------
/// Test misuse of io api
//------------------------------------------------------------------------------
struct TestIOCrash : CrashHandlerFixture {};
TEST(TestIOCrash, FormatDescriptorWriteMismatchTest) {
static constexpr int bufferSize{4};
static char buffer[bufferSize];
static const char *format{"(A4)"};
auto *cookie{IONAME(BeginInternalFormattedOutput)(
buffer, bufferSize, format, std::strlen(format))};
ASSERT_DEATH(IONAME(OutputLogical)(cookie, true),
"Data edit descriptor 'A' may not be used with a LOGICAL data item");
}
TEST(TestIOCrash, InvalidFormatCharacterTest) {
static constexpr int bufferSize{1};
static char buffer[bufferSize];
static const char *format{"(C1)"};
auto *cookie{IONAME(BeginInternalFormattedOutput)(
buffer, bufferSize, format, std::strlen(format))};
ASSERT_DEATH(IONAME(OutputInteger64)(cookie, 0xfeedface),
"Unknown 'C' edit descriptor in FORMAT");
}
//------------------------------------------------------------------------------
/// Test buffer overwrites with Output* functions
/// Each test performs the tested IO operation correctly first, before causing
/// an overwrite to demonstrate that the failure is caused by the overwrite and
/// not a misuse of the API.
//------------------------------------------------------------------------------
TEST(TestIOCrash, OverwriteBufferAsciiTest) {
static constexpr int bufferSize{4};
static char buffer[bufferSize];
static const char *format{"(A4)"};
auto *cookie{IONAME(BeginInternalFormattedOutput)(
buffer, bufferSize, format, std::strlen(format))};
IONAME(OutputAscii)(cookie, "four", bufferSize);
ASSERT_DEATH(IONAME(OutputAscii)(cookie, "Too many characters!", 20),
"Internal write overran available records");
}
TEST(TestIOCrash, OverwriteBufferCharacterTest) {
static constexpr int bufferSize{1};
static char buffer[bufferSize];
static const char *format{"(A1)"};
auto *cookie{IONAME(BeginInternalFormattedOutput)(
buffer, bufferSize, format, std::strlen(format))};
IONAME(OutputCharacter)(cookie, "a", 1);
ASSERT_DEATH(IONAME(OutputCharacter)(cookie, "a", 1),
"Internal write overran available records");
}
TEST(TestIOCrash, OverwriteBufferLogicalTest) {
static constexpr int bufferSize{1};
static char buffer[bufferSize];
static const char *format{"(L1)"};
auto *cookie{IONAME(BeginInternalFormattedOutput)(
buffer, bufferSize, format, std::strlen(format))};
IONAME(OutputLogical)(cookie, true);
ASSERT_DEATH(IONAME(OutputLogical)(cookie, true),
"Internal write overran available records");
}
TEST(TestIOCrash, OverwriteBufferRealTest) {
static constexpr int bufferSize{1};
static char buffer[bufferSize];
static const char *format{"(F1)"};
auto *cookie{IONAME(BeginInternalFormattedOutput)(
buffer, bufferSize, format, std::strlen(format))};
IONAME(OutputReal32)(cookie, 1.);
EXPECT_DEATH(IONAME(OutputReal32)(cookie, 1.),
"Internal write overran available records");
std::memset(buffer, '\0', bufferSize);
cookie = IONAME(BeginInternalFormattedOutput)(
buffer, bufferSize, format, std::strlen(format));
IONAME(OutputReal64)(cookie, 1.);
EXPECT_DEATH(IONAME(OutputReal64)(cookie, 1.),
"Internal write overran available records");
}
TEST(TestIOCrash, OverwriteBufferComplexTest) {
static constexpr int bufferSize{8};
static char buffer[bufferSize];
static const char *format{"(Z1,Z1)"};
auto *cookie{IONAME(BeginInternalFormattedOutput)(
buffer, bufferSize, format, std::strlen(format))};
IONAME(OutputComplex32)(cookie, 1., 1.);
EXPECT_DEATH(IONAME(OutputComplex32)(cookie, 1., 1.),
"Internal write overran available records");
std::memset(buffer, '\0', bufferSize);
cookie = IONAME(BeginInternalFormattedOutput)(
buffer, bufferSize, format, std::strlen(format));
IONAME(OutputComplex64)(cookie, 1., 1.);
EXPECT_DEATH(IONAME(OutputComplex64)(cookie, 1., 1.),
"Internal write overran available records");
}
TEST(TestIOCrash, OverwriteBufferIntegerTest) {
static constexpr int bufferSize{1};
static char buffer[bufferSize];
static const char *format{"(I1)"};
auto *cookie{IONAME(BeginInternalFormattedOutput)(
buffer, bufferSize, format, std::strlen(format))};
IONAME(OutputInteger64)(cookie, 0xdeadbeef);
ASSERT_DEATH(IONAME(OutputInteger64)(cookie, 0xdeadbeef),
"Internal write overran available records");
}
//------------------------------------------------------------------------------
/// Test conformity issue reports in transformational intrinsics
//------------------------------------------------------------------------------
struct TestIntrinsicCrash : CrashHandlerFixture {};
TEST(TestIntrinsicCrash, ConformityErrors) {
// ARRAY(2,3) and MASK(2,4) should trigger a runtime error.
auto array{MakeArray<TypeCategory::Integer, 4>(
std::vector<int>{2, 3}, std::vector<std::int32_t>{1, 2, 3, 4, 5, 6})};
auto mask{MakeArray<TypeCategory::Logical, 1>(std::vector<int>{2, 4},
std::vector<std::uint8_t>{
false, true, true, false, false, true, true, true})};
StaticDescriptor<1, true> statDesc;
Descriptor &result{statDesc.descriptor()};
ASSERT_DEATH(RTNAME(Pack)(result, *array, *mask, nullptr, __FILE__, __LINE__),
"Incompatible array arguments to PACK: dimension 2 of ARRAY= has extent "
"3 but MASK= has extent 4");
}
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