author | Shabe Razvi <shaber@symbian.org> |
Thu, 02 Sep 2010 17:14:31 +0100 | |
branch | RCL_3 |
changeset 58 | 104bd6aeae10 |
parent 0 | e4d67989cc36 |
child 18 | 47c74d1534e1 |
permissions | -rw-r--r-- |
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#include <functional> |
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#include <memory> |
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#include <vector> |
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#include <algorithm> |
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#include "cppunit/cppunit_proxy.h" |
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#if !defined (STLPORT) || 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 MemFunPtrTest : public CPPUNIT_NS::TestCase |
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{ |
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CPPUNIT_TEST_SUITE(MemFunPtrTest); |
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CPPUNIT_TEST(mem_ptr_fun); |
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#if defined (STLPORT) && !defined (_STLP_CLASS_PARTIAL_SPECIALIZATION) |
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//This test require partial template specialization feature to avoid the |
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//reference to reference problem. No workaround yet for limited compilers. |
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CPPUNIT_IGNORE; |
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#endif |
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CPPUNIT_TEST(find); |
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CPPUNIT_TEST_SUITE_END(); |
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protected: |
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// compile test not neccessary to run but... |
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void mem_ptr_fun(); |
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void find(); |
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}; |
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CPPUNIT_TEST_SUITE_REGISTRATION(MemFunPtrTest); |
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#if defined(_STLP_DONT_RETURN_VOID) && (defined(_STLP_NO_MEMBER_TEMPLATE_CLASSES) && defined(_STLP_NO_CLASS_PARTIAL_SPECIALIZATION)) |
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# define _STLP_DONT_TEST_RETURN_VOID |
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#endif |
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//else there is no workaround for the return void bug |
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struct S1 { } s1; |
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struct S2 { } s2; |
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int f1(S1&); |
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int f2(S1&, S2&); |
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int f1c(const S1&); |
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int f2c(const S1&, const S2&); |
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void vf1(S1&); |
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void vf2(S1&, S2&); |
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void vf1c(const S1&); |
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void vf2c(const S1&, const S2&); |
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class Class { |
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public: |
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int f0(); |
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int f1(const S1&); |
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void vf0(); |
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void vf1(const S1&); |
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int f0c() const; |
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int f1c(const S1&) const; |
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void vf0c() const; |
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void vf1c(const S1&) const; |
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}; |
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// |
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// tests implementation |
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// |
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void MemFunPtrTest::mem_ptr_fun() |
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{ |
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Class obj; |
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const Class& objc = obj; |
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// ptr_fun |
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ptr_fun(f1)(s1); |
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ptr_fun(f2)(s1, s2); |
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ptr_fun(f1c)(s1); |
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ptr_fun(f2c)(s1, s2); |
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#ifndef _STLP_DONT_TEST_RETURN_VOID |
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ptr_fun(vf1)(s1); |
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ptr_fun(vf2)(s1, s2); |
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ptr_fun(vf1c)(s1); |
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ptr_fun(vf2c)(s1, s2); |
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#endif /* _STLP_DONT_TEST_RETURN_VOID */ |
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// mem_fun |
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mem_fun(&Class::f0)(&obj); |
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mem_fun(&Class::f1)(&obj, s1); |
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#ifndef _STLP_DONT_TEST_RETURN_VOID |
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mem_fun(&Class::vf0)(&obj); |
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mem_fun(&Class::vf1)(&obj, s1); |
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#endif /* _STLP_DONT_TEST_RETURN_VOID */ |
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// mem_fun (const) |
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mem_fun(&Class::f0c)(&objc); |
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mem_fun(&Class::f1c)(&objc, s1); |
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#ifndef _STLP_DONT_TEST_RETURN_VOID |
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mem_fun(&Class::vf0c)(&objc); |
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mem_fun(&Class::vf1c)(&objc, s1); |
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#endif /* _STLP_DONT_TEST_RETURN_VOID */ |
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// mem_fun_ref |
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mem_fun_ref(&Class::f0)(obj); |
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mem_fun_ref(&Class::f1)(obj, s1); |
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#ifndef _STLP_DONT_TEST_RETURN_VOID |
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mem_fun_ref(&Class::vf0)(obj); |
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mem_fun_ref(&Class::vf1)(obj, s1); |
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#endif /* _STLP_DONT_TEST_RETURN_VOID */ |
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// mem_fun_ref (const) |
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mem_fun_ref(&Class::f0c)(objc); |
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mem_fun_ref(&Class::f1c)(objc, s1); |
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#ifndef _STLP_DONT_TEST_RETURN_VOID |
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mem_fun_ref(&Class::vf0c)(objc); |
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mem_fun_ref(&Class::vf1c)(objc, s1); |
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#endif /* _STLP_DONT_TEST_RETURN_VOID */ |
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} |
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int f1(S1&) |
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{return 1;} |
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int f2(S1&, S2&) |
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{return 2;} |
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int f1c(const S1&) |
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{return 1;} |
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int f2c(const S1&, const S2&) |
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{return 2;} |
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void vf1(S1&) |
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{} |
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void vf2(S1&, S2&) |
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{} |
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void vf1c(const S1&) |
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{} |
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void vf2c(const S1&, const S2&) |
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{} |
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int Class::f0() |
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{return 0;} |
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int Class::f1(const S1&) |
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{return 1;} |
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void Class::vf0() |
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{} |
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void Class::vf1(const S1&) |
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{} |
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int Class::f0c() const |
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{return 0;} |
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int Class::f1c(const S1&) const |
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{return 1;} |
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void Class::vf0c() const |
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{} |
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void Class::vf1c(const S1&) const |
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{} |
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struct V { |
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public: |
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V(int _v) : |
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v(_v) |
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{ } |
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bool f( int _v ) const { return (v == _v); } |
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int v; |
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#if defined (__DMC__) |
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V(){} |
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#endif |
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}; |
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void MemFunPtrTest::find() |
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{ |
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#if !defined (STLPORT) || defined (_STLP_CLASS_PARTIAL_SPECIALIZATION) |
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vector<V> v; |
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v.push_back( V(1) ); |
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v.push_back( V(2) ); |
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v.push_back( V(3) ); |
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// step-by-step complication of work for compiler: |
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// step 1: |
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const_mem_fun1_ref_t<bool,V,int> pmf = mem_fun_ref( &V::f ); |
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binder2nd<const_mem_fun1_ref_t<bool,V,int> > b(pmf, 2); |
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vector<V>::iterator i = find_if( v.begin(), v.end(), b ); |
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CPPUNIT_ASSERT(i != v.end()); |
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CPPUNIT_ASSERT(i->v == 2); |
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// step 2, just check that compiler understand what pass to bind2nd: |
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binder2nd<const_mem_fun1_ref_t<bool,V,int> > b2 = bind2nd( pmf, 2 ); |
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// step 3, the same as step 1, but more intellect from compiler required: |
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binder2nd<const_mem_fun1_ref_t<bool,V,int> > b3 = bind2nd( mem_fun_ref( &V::f ), 2 ); |
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vector<V>::iterator j = find_if( v.begin(), v.end(), b3 ); |
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CPPUNIT_ASSERT(j != v.end()); |
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CPPUNIT_ASSERT(j->v == 2); |
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// step 4, more brief, more complex: |
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vector<V>::iterator k = find_if( v.begin(), v.end(), bind2nd( mem_fun_ref( &V::f ), 2 ) ); |
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CPPUNIT_ASSERT(k != v.end()); |
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CPPUNIT_ASSERT(k->v == 2); |
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#endif |
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} |
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#ifdef _STLP_DONT_TEST_RETURN_VOID |
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# undef _STLP_DONT_TEST_RETURN_VOID |
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#endif |