45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
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#include <mrw/auto.hpp>
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#include <cppunit/TestFixture.h>
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#include <cppunit/ui/text/TestRunner.h>
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#include <cppunit/extensions/HelperMacros.h>
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#include <cppunit/extensions/TestFactoryRegistry.h>
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#include <fcntl.h> // open
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class AutoTest: public CppUnit::TestFixture {
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public:
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void AutoFile() {
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char c(0);
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int i(-1);
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{
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mrw::AutoFile a;
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CPPUNIT_ASSERT(a==-1); // init as -1
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i = a = open("test.dat", O_RDONLY);
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CPPUNIT_ASSERT(i==a && a>0); // file is now open
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mrw::AutoFile b(a);
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CPPUNIT_ASSERT(a==-1 && i==b); // b has taken ownership
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CPPUNIT_ASSERT(read(b, &c, 1)==1 && c=='H'); // file is good
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mrw::AutoFile c(i);
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CPPUNIT_ASSERT(i==b && b==c); // ooops, two owner!
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c.release();
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CPPUNIT_ASSERT(i==b && c==-1); // it's ok now
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b = open("test.dat", O_RDONLY);
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//close(i);
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CPPUNIT_ASSERT(read(i, &c, 1)==-1); // old file is closed
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i = b.reset();
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CPPUNIT_ASSERT(read(i, &c, 1)==-1); // new file is closed
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i = a = open("test.dat", O_RDONLY);
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}
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CPPUNIT_ASSERT(read(i, &c, 1)==-1); // file is closed now
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}
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CPPUNIT_TEST_SUITE(AutoTest);
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CPPUNIT_TEST(AutoFile);
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CPPUNIT_TEST_SUITE_END();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(AutoTest);
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int main() {
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CppUnit::TextUi::TestRunner runner;
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runner.addTest(CppUnit::TestFactoryRegistry::getRegistry().makeTest());
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return runner.run() ? 0 : 1;
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}
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