Add tests for string algorithms.

CMakeLists.txt

@@ -27,6 +27,7 @@ add_subdirectory( AutoRAII.test )
 add_subdirectory( comparisons.test )
 add_subdirectory( Exception.test )
 add_subdirectory( word_wrap.test )
+add_subdirectory( string_algorithms.test )
 
 # Sample applications
 add_executable( example example.cc )

string_algorithms.test/0.cc

@@ -0,0 +1,45 @@
+static_assert( __cplusplus > 2020'00 );
+
+#include "../string_algorithms.h"
+
+#include <Alepha/Testing/test.h>
+#include <Alepha/Testing/TableTest.h>
+
+#include <Alepha/Utility/evaluation.h>
+
+namespace
+{
+	using namespace Alepha::Testing::literals::test_literals;
+	using namespace Alepha::Testing::exports;
+
+	using Alepha::Utility::exports::enroll;
+	using Alepha::Utility::exports::lambaste;
+}
+
+static auto init= enroll <=[]
+{
+	"Some simple substitution tests"_test <=TableTest< Alepha::expandVariables >::Cases
+	{
+		{
+			"Hello World",
+			{ "$H$ $W$", { { "H", lambaste<="Hello" }, { "W", lambaste<="World" } }, '$' },
+			"Hello World"
+		},
+
+		{
+			"Hello $$ World",
+			{ "$H$ $$ $W$", { { "H", lambaste<="Hello" }, { "W", lambaste <="World" } }, '$' },
+			"Hello $ World"
+		},
+	};
+
+	"An exception should be thrown when there is a trailing unenclosed variable."_test <=[]
+	{
+		try
+		{
+			Alepha::expandVariables( "$H$ $W", { { "H", lambaste<="Hello" }, { "W", lambaste<="World" } }, '$' );
+			abort();
+		}
+		catch( ... ) {}
+	};
+};

string_algorithms.test/CMakeLists.txt

@@ -0,0 +1,3 @@
+link_libraries( unit-test )
+
+unit_test( 0 )