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GeezerVison is showing github.com — test.cpp: also run tests with char buffer by firewave · Pull Request #261 · cppcheck-opensource/simplecpp

test.cpp: also run tests with char buffer #261

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Merged
firewave merged 3 commits into cppcheck-opensource:master from firewave:test-x
Apr 16, 2026

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Merged

test.cpp: also run tests with char buffer #261

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5a85b00
test.cpp: also run tests with char buffer
firewave Apr 14, 2022
e6c4acf
test.cpp: fixed `misc-use-internal-linkage` clang-tidy warning
firewave Apr 13, 2026
7c1526b
test.cpp: mitigated compiler warnings about missing return with GCC a…
firewave Apr 13, 2026
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43 changes: 39 additions & 4 deletions 43 test.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
#include "simplecpp.h"

#include <cctype>
#include <cstdint>
#include <cstdlib>
#include <cstring>
#include <exception>
Expand All @@ -25,6 +26,15 @@
#define STRINGIZE(x) STRINGIZE_(x)

static const std::string testSourceDir = SIMPLECPP_TEST_SOURCE_DIR;

namespace {
enum class Input : std::uint8_t {
Stringstream,
CharBuffer
};
}

static Input USE_INPUT = Input::Stringstream;
static int numberOfFailedAssertions = 0;

#define ASSERT_EQUALS(expected, actual) (assertEquals((expected), (actual), __LINE__))
Expand All @@ -41,11 +51,21 @@ static std::string pprint(const std::string &in)
return ret;
}

static const char* inputString(Input input) {
switch (input) {
case Input::Stringstream:
return "Stringstream";
case Input::CharBuffer:
return "CharBuffer";
}
return ""; // unreachable - needed for GCC and Visual Studio
}

static int assertEquals(const std::string &expected, const std::string &actual, int line)
{
if (expected != actual) {
numberOfFailedAssertions++;
std::cerr << "------ assertion failed ---------" << std::endl;
std::cerr << "------ assertion failed (" << inputString(USE_INPUT) << ")---------" << std::endl;
std::cerr << "line test.cpp:" << line << std::endl;
std::cerr << "expected:" << pprint(expected) << std::endl;
std::cerr << "actual:" << pprint(actual) << std::endl;
Expand Down Expand Up @@ -83,8 +103,16 @@ static void testcase(const std::string &name, void (*f)(), int argc, char * cons

static simplecpp::TokenList makeTokenList(const char code[], std::size_t size, std::vector<std::string> &filenames, const std::string &filename=std::string(), simplecpp::OutputList *outputList=nullptr)
{
std::istringstream istr(std::string(code, size));
return {istr,filenames,filename,outputList};
switch (USE_INPUT) {
case Input::Stringstream: {
std::istringstream istr(std::string(code, size));
return {istr,filenames,filename,outputList};
}
case Input::CharBuffer:
return {{code, size}, filenames, filename, outputList};
}

return simplecpp::TokenList{filenames}; // unreachable - needed for GCC and Visual Studio
}

static simplecpp::TokenList makeTokenList(const char code[], std::vector<std::string> &filenames, const std::string &filename=std::string(), simplecpp::OutputList *outputList=nullptr)
Expand Down Expand Up @@ -3609,8 +3637,10 @@ static void leak()
}
}

int main(int argc, char **argv)
static void runTests(int argc, char **argv, Input input)
{
USE_INPUT = input;

TEST_CASE(backslash);

TEST_CASE(builtin);
Expand Down Expand Up @@ -3881,6 +3911,11 @@ int main(int argc, char **argv)
TEST_CASE(fuzz_crash);

TEST_CASE(leak);
}

int main(int argc, char **argv)
{
runTests(argc, argv, Input::Stringstream);
runTests(argc, argv, Input::CharBuffer);
return numberOfFailedAssertions > 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
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