Merge pull request #164 from cauthmann/internal_function_tests

Add unit tests for InternalFunction

Author: eddelbuettel

inst/unitTests/cpp/InternalFunction.cpp

@@ -0,0 +1,45 @@
+// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
+//
+// InternalFunction.cpp: Rcpp R/C++ interface class library -- InternalFunction unit tests
+//
+// Copyright (C) 2014 Christian Authmann
+//
+// This file is part of Rcpp.
+//
+// Rcpp is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 2 of the License, or
+// (at your option) any later version.
+//
+// Rcpp is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Rcpp.  If not, see <http://www.gnu.org/licenses/>.
+
+
+#include <Rcpp.h>
+
+
+int add(int a, int b) {
+	return a + b;
+}
+
+
+// [[Rcpp::export]]
+Rcpp::InternalFunction getAdd() {
+	return Rcpp::InternalFunction( &add );
+}
+
+
+std::string concatenate(std::string a, std::string b) {
+	return a + b;
+}
+
+// [[Rcpp::export]]
+Rcpp::InternalFunction getConcatenate() {
+	return Rcpp::InternalFunction( &concatenate );
+}
+

inst/unitTests/cpp/InternalFunctionCPP11.cpp

@@ -0,0 +1,46 @@
+// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
+//
+// InternalFunction.cpp: Rcpp R/C++ interface class library -- InternalFunction unit tests
+//
+// Copyright (C) 2014 Christian Authmann
+//
+// This file is part of Rcpp.
+//
+// Rcpp is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 2 of the License, or
+// (at your option) any later version.
+//
+// Rcpp is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Rcpp.  If not, see <http://www.gnu.org/licenses/>.
+
+
+#define RCPP_USE_STD_FUNCTION
+#include <Rcpp.h>
+
+
+int add(int a, int b) {
+	return a + b;
+}
+
+
+// [[Rcpp::export]]
+Rcpp::InternalFunction getAdd4() {
+	std::function<int(int)> func = std::bind(add, 4, std::placeholders::_1);
+	return Rcpp::InternalFunction( func );
+}
+
+
+// [[Rcpp::export]]
+Rcpp::InternalFunction getConcatenate() {
+	std::function<std::string(std::string,std::string)> func = [] (std::string a, std::string b) -> std::string {
+		return a + b;
+	};
+	return Rcpp::InternalFunction( func );
+}
+

inst/unitTests/runit.InternalFunction.R

@@ -0,0 +1,41 @@
+#!/usr/bin/r -t
+#       hey emacs, please make this use  -*- tab-width: 4 -*-
+#
+# Copyright (C) 2014 Christian Authmann
+#
+# This file is part of Rcpp.
+#
+# Rcpp is free software: you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# Rcpp is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Rcpp.  If not, see <http://www.gnu.org/licenses/>.
+
+.runThisTest <- Sys.getenv("RunAllRcppTests") == "yes"
+
+if( .runThisTest ) {
+
+    .tearDown <- function(){
+        gc()
+    }
+
+    .setUp <- Rcpp:::unitTestSetup("InternalFunction.cpp")
+    
+    test.internal_function_add <- function(){
+    	fun <- getAdd()
+        checkEquals( fun(10,32), 42 )
+    }
+
+    test.internal_function_concatenate <- function(){
+    	fun <- getConcatenate()
+        checkEquals( fun("Hello"," World"), "Hello World" )
+    }
+
+}

inst/unitTests/runit.InternalFunctionCPP11.R

@@ -0,0 +1,43 @@
+#!/usr/bin/r -t
+#       hey emacs, please make this use  -*- tab-width: 4 -*-
+#
+# Copyright (C) 2014 Christian Authmann
+#
+# This file is part of Rcpp.
+#
+# Rcpp is free software: you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# Rcpp is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Rcpp.  If not, see <http://www.gnu.org/licenses/>.
+
+hasCXX11 <- grepl("-std=c\\+\\+1[1-9yz]", Sys.getenv("PKG_CXXFLAGS"))
+
+.runThisTest <- Sys.getenv("RunAllRcppTests") == "yes" && hasCXX11
+
+if( .runThisTest ) {
+
+    .tearDown <- function(){
+        gc()
+    }
+
+    .setUp <- Rcpp:::unitTestSetup("InternalFunctionCPP11.cpp")
+    
+    test.internal_function_add <- function(){
+    	fun <- getAdd4()
+        checkEquals( fun(38), 42 )
+    }
+
+    test.internal_function_concatenate <- function(){
+    	fun <- getConcatenate()
+        checkEquals( fun("Hello"," World"), "Hello World" )
+    }
+
+}