add test for env bug

Author: Filip Schouwenaars

inst/unitTests/cpp/embeddedR.cpp

@@ -0,0 +1,33 @@
+// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
+//
+// Environment.cpp: Rcpp R/C++ interface class library -- Environment unit tests
+//
+// Copyright (C) 2018 Dirk Eddelbuettel and Romain Francois
+//
+// 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>
+using namespace Rcpp ;
+
+// [[Rcpp::export]]
+int foo(){
+    return 42 ;
+}
+
+/*** R
+x <- foo()
+x
+*/

inst/unitTests/runit.embeddedR.R

@@ -0,0 +1,37 @@
+#!/usr/bin/env r
+# -*- mode: R; ess-indent-level: 4; tab-width: 4; indent-tabs-mode: nil; -*
+#
+# Copyright (C) 2012 - 2016  Dirk Eddelbuettel and Romain Francois
+#
+# 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 <- TRUE # Sys.getenv("RunAllRcppTests") == "yes"
+
+if (.runThisTest) {
+
+    test.embeddedR <- function() {
+
+        path <- system.file("unitTests", package = "Rcpp")
+        expectedVars <- c("foo", "x")
+        newEnv <- new.env()
+        Rcpp::sourceCpp(file.path(path, "cpp", "embeddedR.cpp"), env = newEnv)
+        checkEquals(ls(newEnv), expectedVars, msg = " sourcing code in other env")
+    }
+
+}
+
+
+