TestCombinations.cxx File Reference

#include <gtest/gtest.h>
#include <combinations.hxx>

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Functions
	TEST (TestCombinations, Combinations)

Function Documentation

TEST	(	TestCombinations	,
		Combinations
	)

Definition at line 37 of file TestCombinations.cxx.

{
  // Empty vector - no combinations
  {
    const Container kEmptyCollection = Container();
    List combinations = Combinations<Container, Const_IT>(kEmptyCollection.begin(), kEmptyCollection.end());
    EXPECT_EQ(static_cast<size_t>(0), combinations.size());
  }

  // Inversed iterator - no combinations
  {
    const Container kUnicCollection = Container(1, 10);
    List combinations = Combinations<Container, Const_IT>(kUnicCollection.end(), kUnicCollection.begin());
    EXPECT_EQ(static_cast<size_t>(0), combinations.size());
  }

  // Unic element vector - Unique object returned as combinations
  {
    const Container kUnicCollection = Container(1, 10);
    List combinations = Combinations<Container, Const_IT>(kUnicCollection.begin(), kUnicCollection.end());
    EXPECT_EQ(static_cast<size_t>(1), combinations.size());
    EXPECT_EQ(static_cast<size_t>(1), combinations.begin()->size());
    EXPECT_EQ(10, *(combinations.begin()->begin()));
  }

  // Run with value 2, 1, 3
  {
    const Container kSmallArray(SmallIntArray, SmallIntArray + sizeof(SmallIntArray) / sizeof(Value));
    List combinations = Combinations<Container, Const_IT>(kSmallArray.begin(), kSmallArray.end());
    EXPECT_EQ(static_cast<size_t>(7), combinations.size());

    int countEls = 0;
    for (List::const_iterator it = combinations.begin(); it != combinations.end(); ++it)
      countEls += static_cast<int>(it->size());
    EXPECT_EQ(12, countEls);
    //@TODO check sequence by sequence? (non ordered)
  }

  // String run
  {
    const std::string abcStr = "abc";
    std::list<std::string> combinations =
      Combinations<std::string, std::string::const_iterator>(abcStr.begin(), abcStr.end());
    EXPECT_EQ(static_cast<size_t>(7), combinations.size());

    int countEls = 0;
    for (std::list<std::string>::const_iterator it = combinations.begin(); it != combinations.end(); ++it)
      countEls += static_cast<int>(it->size());
    EXPECT_EQ(12, countEls);
    //@TODO check sequence by sequence? (non ordered)
  }
}