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test/test_rewind: unit test for class RewindInputStream

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This commit is contained in:
Max Kellermann 2014-05-21 18:25:43 +02:00
parent c42e412c0a
commit afe53997bf
2 changed files with 177 additions and 0 deletions
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13
Makefile.am
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@ -1388,6 +1388,7 @@ if ENABLE_TEST
C_TESTS = \ C_TESTS = \
test/test_util \ test/test_util \
test/test_byte_reverse \ test/test_byte_reverse \
test/test_rewind \
test/test_mixramp \ test/test_mixramp \
test/test_pcm \ test/test_pcm \
test/test_queue_priority test/test_queue_priority
@ -1857,6 +1858,18 @@ test_test_byte_reverse_LDADD = \
libutil.a \ libutil.a \
$(CPPUNIT_LIBS) $(CPPUNIT_LIBS)
test_test_rewind_SOURCES = \
src/Log.cxx src/LogBackend.cxx \
test/test_rewind.cxx
test_test_rewind_CPPFLAGS = $(AM_CPPFLAGS) $(CPPUNIT_CFLAGS) -DCPPUNIT_HAVE_RTTI=0
test_test_rewind_CXXFLAGS = $(AM_CXXFLAGS) -Wno-error=deprecated-declarations
test_test_rewind_LDADD = \
$(INPUT_LIBS) \
libthread.a \
libtag.a \
libutil.a \
$(CPPUNIT_LIBS)
test_test_mixramp_SOURCES = \ test_test_mixramp_SOURCES = \
src/Log.cxx src/LogBackend.cxx \ src/Log.cxx src/LogBackend.cxx \
test/test_mixramp.cxx test/test_mixramp.cxx

164
test/test_rewind.cxx Normal file
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@ -0,0 +1,164 @@
/*
* Unit tests for class RewindInputStream.
*/
#include "config.h"
#include "input/plugins/RewindInputPlugin.hxx"
#include "input/InputStream.hxx"
#include "thread/Mutex.hxx"
#include "thread/Cond.hxx"
#include "util/Error.hxx"
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/TestFactoryRegistry.h>
#include <cppunit/ui/text/TestRunner.h>
#include <cppunit/extensions/HelperMacros.h>
#include <string>
#include <string.h>
class StringInputStream final : public InputStream {
const char *data;
size_t remaining;
public:
StringInputStream(const char *_uri,
Mutex &_mutex, Cond &_cond,
const char *_data)
:InputStream(_uri, _mutex, _cond),
data(_data), remaining(strlen(data)) {
SetReady();
}
/* virtual methods from InputStream */
bool IsEOF() override {
return remaining == 0;
}
size_t Read(void *ptr, size_t read_size,
gcc_unused Error &error) override {
size_t nbytes = std::min(remaining, read_size);
memcpy(ptr, data, nbytes);
data += nbytes;
remaining -= nbytes;
offset += nbytes;
return nbytes;
}
};
class RewindTest : public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(RewindTest);
CPPUNIT_TEST(TestRewind);
CPPUNIT_TEST_SUITE_END();
public:
void TestRewind() {
Mutex mutex;
Cond cond;
StringInputStream *sis =
new StringInputStream("foo://", mutex, cond,
"foo bar");
CPPUNIT_ASSERT(sis->IsReady());
InputStream *ris = input_rewind_open(sis);
CPPUNIT_ASSERT(ris != sis);
CPPUNIT_ASSERT(ris != nullptr);
const ScopeLock protect(mutex);
ris->Update();
CPPUNIT_ASSERT(ris->IsReady());
CPPUNIT_ASSERT(!ris->KnownSize());
CPPUNIT_ASSERT_EQUAL(InputStream::offset_type(0),
ris->GetOffset());
Error error;
char buffer[16];
size_t nbytes = ris->Read(buffer, 2, error);
CPPUNIT_ASSERT_EQUAL(size_t(2), nbytes);
CPPUNIT_ASSERT_EQUAL('f', buffer[0]);
CPPUNIT_ASSERT_EQUAL('o', buffer[1]);
CPPUNIT_ASSERT_EQUAL(InputStream::offset_type(2),
ris->GetOffset());
CPPUNIT_ASSERT(!ris->IsEOF());
nbytes = ris->Read(buffer, 2, error);
CPPUNIT_ASSERT_EQUAL(size_t(2), nbytes);
CPPUNIT_ASSERT_EQUAL('o', buffer[0]);
CPPUNIT_ASSERT_EQUAL(' ', buffer[1]);
CPPUNIT_ASSERT_EQUAL(InputStream::offset_type(4),
ris->GetOffset());
CPPUNIT_ASSERT(!ris->IsEOF());
CPPUNIT_ASSERT(ris->Seek(1, SEEK_SET, error));
CPPUNIT_ASSERT_EQUAL(InputStream::offset_type(1),
ris->GetOffset());
CPPUNIT_ASSERT(!ris->IsEOF());
nbytes = ris->Read(buffer, 2, error);
CPPUNIT_ASSERT_EQUAL(size_t(2), nbytes);
CPPUNIT_ASSERT_EQUAL('o', buffer[0]);
CPPUNIT_ASSERT_EQUAL('o', buffer[1]);
CPPUNIT_ASSERT_EQUAL(InputStream::offset_type(3),
ris->GetOffset());
CPPUNIT_ASSERT(!ris->IsEOF());
CPPUNIT_ASSERT(ris->Seek(0, SEEK_SET, error));
CPPUNIT_ASSERT_EQUAL(InputStream::offset_type(0),
ris->GetOffset());
CPPUNIT_ASSERT(!ris->IsEOF());
nbytes = ris->Read(buffer, 2, error);
CPPUNIT_ASSERT_EQUAL(size_t(2), nbytes);
CPPUNIT_ASSERT_EQUAL('f', buffer[0]);
CPPUNIT_ASSERT_EQUAL('o', buffer[1]);
CPPUNIT_ASSERT_EQUAL(InputStream::offset_type(2),
ris->GetOffset());
CPPUNIT_ASSERT(!ris->IsEOF());
nbytes = ris->Read(buffer, sizeof(buffer), error);
CPPUNIT_ASSERT_EQUAL(size_t(2), nbytes);
CPPUNIT_ASSERT_EQUAL('o', buffer[0]);
CPPUNIT_ASSERT_EQUAL(' ', buffer[1]);
CPPUNIT_ASSERT_EQUAL(InputStream::offset_type(4),
ris->GetOffset());
CPPUNIT_ASSERT(!ris->IsEOF());
nbytes = ris->Read(buffer, sizeof(buffer), error);
CPPUNIT_ASSERT_EQUAL(size_t(3), nbytes);
CPPUNIT_ASSERT_EQUAL('b', buffer[0]);
CPPUNIT_ASSERT_EQUAL('a', buffer[1]);
CPPUNIT_ASSERT_EQUAL('r', buffer[2]);
CPPUNIT_ASSERT_EQUAL(InputStream::offset_type(7),
ris->GetOffset());
CPPUNIT_ASSERT(ris->IsEOF());
CPPUNIT_ASSERT(ris->Seek(3, SEEK_SET, error));
CPPUNIT_ASSERT_EQUAL(InputStream::offset_type(3),
ris->GetOffset());
CPPUNIT_ASSERT(!ris->IsEOF());
nbytes = ris->Read(buffer, sizeof(buffer), error);
CPPUNIT_ASSERT_EQUAL(size_t(4), nbytes);
CPPUNIT_ASSERT_EQUAL(' ', buffer[0]);
CPPUNIT_ASSERT_EQUAL('b', buffer[1]);
CPPUNIT_ASSERT_EQUAL('a', buffer[2]);
CPPUNIT_ASSERT_EQUAL('r', buffer[3]);
CPPUNIT_ASSERT_EQUAL(InputStream::offset_type(7),
ris->GetOffset());
CPPUNIT_ASSERT(ris->IsEOF());
}
};
CPPUNIT_TEST_SUITE_REGISTRATION(RewindTest);
int
main(gcc_unused int argc, gcc_unused char **argv)
{
CppUnit::TextUi::TestRunner runner;
auto &registry = CppUnit::TestFactoryRegistry::getRegistry();
runner.addTest(registry.makeTest());
return runner.run() ? EXIT_SUCCESS : EXIT_FAILURE;
}