Merge pull request #319 from PureAbstract/to_string_tests

To string tests

1 files changed, 72 insertions, 0 deletions

diff --git a/projects/SelfTest/ToStringVector.cpp b/projects/SelfTest/ToStringVector.cpp
new file mode 100644
index 00000000..f3b036e5
--- /dev/null
+++ b/projects/SelfTest/ToStringVector.cpp
@@ -0,0 +1,72 @@
+#include "catch.hpp"
+#include <vector>
+
+
+// vedctor
+TEST_CASE( "vector<int> -> toString", "[toString][vector]" )
+{
+    std::vector<int> vv;
+    REQUIRE( Catch::toString(vv) == "{  }" );
+    vv.push_back( 42 );
+    REQUIRE( Catch::toString(vv) == "{ 42 }" );
+    vv.push_back( 512 );
+    REQUIRE( Catch::toString(vv) == "{ 42, 512 }" );
+}
+
+TEST_CASE( "vector<string> -> toString", "[toString][vector]" )
+{
+    std::vector<std::string> vv;
+    REQUIRE( Catch::toString(vv) == "{  }" );
+    vv.push_back( "hello" );
+    REQUIRE( Catch::toString(vv) == "{ \"hello\" }" );
+    vv.push_back( "world" );
+    REQUIRE( Catch::toString(vv) == "{ \"hello\", \"world\" }" );
+}
+
+#if defined(CATCH_CPP11_OR_GREATER)
+/*
+  Note: These tests *can* be made to work with C++ < 11, but the
+  allocator is a lot more work...
+*/
+namespace {
+    /* Minimal Allocator */
+    template<typename T>
+    struct minimal_allocator {
+        typedef T value_type;
+        typedef std::size_t size_type;
+        T *allocate( size_type n )
+        {
+            return static_cast<T *>( ::operator new( n * sizeof(T) ) );
+        }
+        void deallocate( T *p, size_type /*n*/ )
+        {
+            ::operator delete( static_cast<void *>(p) );
+        }
+        template<typename U>
+        bool operator==( const minimal_allocator<U>& ) const { return true; }
+        template<typename U>
+        bool operator!=( const minimal_allocator<U>& ) const { return false; }
+    };
+}
+
+TEST_CASE( "vector<int,allocator> -> toString", "[toString][vector,allocator]" )
+{
+    std::vector<int,minimal_allocator<int> > vv;
+    REQUIRE( Catch::toString(vv) == "{  }" );
+    vv.push_back( 42 );
+    REQUIRE( Catch::toString(vv) == "{ 42 }" );
+    vv.push_back( 512 );
+    REQUIRE( Catch::toString(vv) == "{ 42, 512 }" );
+}
+
+TEST_CASE( "vec<vec<string,alloc>> -> toString", "[toString][vector,allocator]" )
+{
+    typedef std::vector<std::string,minimal_allocator<std::string> > inner;
+    typedef std::vector<inner> vector;
+    vector v;
+    REQUIRE( Catch::toString(v) == "{  }" );
+    v.push_back( inner { "hello" } );
+    v.push_back( inner { "world" } );
+    REQUIRE( Catch::toString(v) == "{ { \"hello\" }, { \"world\" } }" );
+}
+#endif