mirror of
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122 lines
2.9 KiB
C++
122 lines
2.9 KiB
C++
#include <new>
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#include <vector>
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#include "cppunit/cppunit_proxy.h"
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#if defined (_STLP_USE_NAMESPACES)
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using namespace std;
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#endif
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//
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// TestCase class
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//
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class ConfigTest : public CPPUNIT_NS::TestCase
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{
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CPPUNIT_TEST_SUITE(ConfigTest);
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#if !defined (STLPORT)
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CPPUNIT_IGNORE;
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#endif
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CPPUNIT_TEST(placement_new_bug);
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CPPUNIT_TEST(endianess);
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CPPUNIT_TEST(template_function_partial_ordering);
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#if !defined (_STLP_USE_EXCEPTIONS)
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CPPUNIT_IGNORE;
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#endif
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CPPUNIT_TEST(new_throw_bad_alloc);
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CPPUNIT_TEST_SUITE_END();
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protected:
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void placement_new_bug();
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void endianess();
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void template_function_partial_ordering();
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void new_throw_bad_alloc();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(ConfigTest);
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void ConfigTest::placement_new_bug()
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{
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#if defined (STLPORT)
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int int_val = 1;
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int *pint;
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pint = new(&int_val) int();
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CPPUNIT_ASSERT( pint == &int_val );
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# if defined (_STLP_DEF_CONST_PLCT_NEW_BUG)
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CPPUNIT_ASSERT( int_val != 0 );
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# else
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CPPUNIT_ASSERT( int_val == 0 );
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# endif
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#endif
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}
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void ConfigTest::endianess()
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{
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#if defined (STLPORT)
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int val = 0x01020304;
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char *ptr = (char*)(&val);
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# if defined (_STLP_BIG_ENDIAN)
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//This test only work if sizeof(int) == 4, this is a known limitation
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//that will be handle the day we find a compiler for which it is false.
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CPPUNIT_ASSERT( *ptr == 0x01 ||
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sizeof(int) > 4 && *ptr == 0x00 );
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# elif defined (_STLP_LITTLE_ENDIAN)
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CPPUNIT_ASSERT( *ptr == 0x04 );
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# endif
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#endif
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}
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void ConfigTest::template_function_partial_ordering()
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{
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#if defined (STLPORT)
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vector<int> vect1(10, 0);
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int* pvect1Front = &vect1.front();
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vector<int> vect2(10, 0);
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int* pvect2Front = &vect2.front();
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swap(vect1, vect2);
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# if defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER) || defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND)
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CPPUNIT_ASSERT( pvect1Front == &vect2.front() );
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CPPUNIT_ASSERT( pvect2Front == &vect1.front() );
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# else
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CPPUNIT_ASSERT( pvect1Front != &vect2.front() );
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CPPUNIT_ASSERT( pvect2Front != &vect1.front() );
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# endif
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#endif
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}
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void ConfigTest::new_throw_bad_alloc()
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{
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#if defined (STLPORT) && defined (_STLP_USE_EXCEPTIONS)
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try
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{
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/* We try to exhaust heap memory. However, we don't actually use the
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largest possible size_t value bus slightly less in order to avoid
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triggering any overflows due to the allocator adding some more for
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its internal data structures. */
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size_t const huge_amount = size_t(-1) - 1024;
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void* pvoid = operator new (huge_amount);
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#if !defined (_STLP_NEW_DONT_THROW_BAD_ALLOC)
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// Allocation should have fail
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CPPUNIT_ASSERT( pvoid != 0 );
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#endif
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// Just in case it succeeds:
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operator delete(pvoid);
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}
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catch (const bad_alloc&)
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{
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#if defined (_STLP_NEW_DONT_THROW_BAD_ALLOC)
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// Looks like your compiler new operator finally throw bad_alloc, you can fix
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// configuration.
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CPPUNIT_FAIL;
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#endif
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}
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catch (...)
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{
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//We shouldn't be there:
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//Not bad_alloc exception thrown.
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CPPUNIT_FAIL;
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}
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#endif
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}
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