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extern/STLport/5.2.1/test/unit/mismatch_test.cpp

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+#include <numeric>
+#include <vector>
+#include <algorithm>
+
+#include "iota.h"
+#include "cppunit/cppunit_proxy.h"
+
+#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
+using namespace std;
+#endif
+
+//
+// TestCase class
+//
+class MismatchTest : public CPPUNIT_NS::TestCase
+{
+  CPPUNIT_TEST_SUITE(MismatchTest);
+  CPPUNIT_TEST(mismatch0);
+  CPPUNIT_TEST(mismatch1);
+  CPPUNIT_TEST(mismatch2);
+  CPPUNIT_TEST_SUITE_END();
+
+protected:
+  void mismatch0();
+  void mismatch1();
+  void mismatch2();
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(MismatchTest);
+
+//
+// tests implementation
+//
+bool str_equal(const char* a_, const char* b_)
+{
+  return strcmp(a_, b_) == 0 ? 1 : 0;
+}
+void MismatchTest::mismatch0()
+{
+  int n1[5] = { 1, 2, 3, 4, 5 };
+  int n2[5] = { 1, 2, 3, 4, 5 };
+  int n3[5] = { 1, 2, 3, 2, 1 };
+
+  pair <int*, int*> result = mismatch((int*)n1, (int*)n1 + 5, (int*)n2);
+  CPPUNIT_ASSERT(result.first ==(n1 + 5) && result.second ==(n2 + 5));
+
+  result = mismatch((int*)n1, (int*)n1 + 5, (int*)n3);
+  CPPUNIT_ASSERT(!(result.first ==(n1 + 5) && result.second ==(n3 + 5)));
+  CPPUNIT_ASSERT((result.first - n1)==3);
+}
+void MismatchTest::mismatch1()
+{
+  typedef vector<int> IntVec;
+  IntVec v1(10);
+  __iota(v1.begin(), v1.end(), 0);
+  IntVec v2(v1);
+
+  pair <IntVec::iterator, IntVec::iterator> result = mismatch(v1.begin(), v1.end(), v2.begin());
+
+  CPPUNIT_ASSERT(result.first == v1.end() && result.second == v2.end());
+
+  v2[v2.size()/2] = 42;
+  result = mismatch(v1.begin(), v1.end(), v2.begin());
+  CPPUNIT_ASSERT(!(result.first == v1.end() && result.second == v2.end()));
+  CPPUNIT_ASSERT((result.first - v1.begin())==5);
+}
+void MismatchTest::mismatch2()
+{
+  const unsigned size = 5;
+  char const* n1[size] = { "Brett", "Graham", "Jack", "Mike", "Todd" };
+
+  char const* n2[size];
+  copy(n1, n1 + 5, (char const**)n2);
+  pair <char const**, char const**> result = mismatch((char const**)n1, (char const**)n1 + size, (char const**)n2, str_equal);
+
+  CPPUNIT_ASSERT(result.first == n1 + size && result.second == n2 + size);
+
+  n2[2] = "QED";
+  result = mismatch((char const**)n1, (char const**)n1 + size, (char const**)n2, str_equal);
+  CPPUNIT_ASSERT(!(result.first == n2 + size && result.second == n2 + size));
+  CPPUNIT_ASSERT((result.first - n1)==2);
+}