1//===-- unittests/Runtime/LogicalFormatTest.cpp -----------------*- C++ -*-===//
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 "CrashHandlerFixture.h"
10#include "flang-rt/runtime/descriptor.h"
11#include "flang/Runtime/io-api.h"
12#include <algorithm>
13#include <array>
14#include <cstring>
15#include <gtest/gtest.h>
16#include <tuple>
17
18using namespace Fortran::runtime;
19using namespace Fortran::runtime::io;
20
21TEST(IOApiTests, LogicalFormatTest) {
22 static constexpr int bufferSize{29};
23 char buffer[bufferSize];
24
25 // Create format for all types and values to be written
26 const char *format{"(L0,L3,I3,L2,L2,I3,L2,A3,L2,L,F4.1,L2)"};
27 auto cookie{IONAME(BeginInternalFormattedOutput)(
28 buffer, bufferSize, format, std::strlen(format))};
29
30 // Write string, integer, and logical values to buffer
31 IONAME(OutputLogical)(cookie, true);
32 IONAME(OutputLogical)(cookie, false);
33 IONAME(OutputInteger64)(cookie, 6);
34 IONAME(OutputInteger32)(cookie, 22);
35 IONAME(OutputInteger32)(cookie, 0);
36 IONAME(OutputInteger32)(cookie, -2);
37 IONAME(OutputCharacter)(cookie, "ABC", 3);
38 IONAME(OutputCharacter)(cookie, "AB", 2);
39 IONAME(OutputReal64)(cookie, 0.0);
40 IONAME(OutputCharacter)(cookie, "", 0);
41 IONAME(OutputReal32)(cookie, 2.3);
42 IONAME(OutputReal32)(cookie, 2.3);
43
44 // Ensure IO succeeded
45 auto status{IONAME(EndIoStatement)(cookie)};
46 ASSERT_EQ(status, 0) << "logical format: '" << format << "' failed, status "
47 << static_cast<int>(status);
48
49 // Ensure final buffer matches expected string output
50 static const std::string expect{"T F 6 T F -2 T AB FF 2.3 T"};
51
52 // expect.size() == bufferSize - 1
53 std::string bufferStr = std::string(buffer, bufferSize - 1);
54 ASSERT_TRUE(expect == bufferStr)
55 << "Expected '" << expect << "', got '" << bufferStr << "'";
56}
57

source code of flang-rt/unittests/Runtime/LogicalFormatTest.cpp