diff --git a/.travis.yml b/.travis.yml
index 8632337..cf31064 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,8 @@ cache: packages
 
 pandoc: false
 
-#before_script:
-#  - make tests
+before_script:
+  - make tests
 
 r_github_packages:
   - jimhester/covr
diff --git a/R/CxxFlags.R b/R/CxxFlags.R
new file mode 100644
index 0000000..f83fdc5
--- /dev/null
+++ b/R/CxxFlags.R
@@ -0,0 +1,11 @@
+CxxFlags <- function() 
+{
+  path <- tools::file_path_as_absolute(base::system.file("include", package = "RcppProgress"))
+  if (.Platform$OS.type == "windows") {
+    path <- base::normalizePath(path)
+    if (grepl(" ", path, fixed = TRUE)) 
+      path <- utils::shortPathName(path)
+    path <- gsub("\\\\", "/", path)
+  }
+  cat(paste0("-I", path))
+}
\ No newline at end of file
diff --git a/R/wrap_examples.R b/R/wrap_examples.R
new file mode 100644
index 0000000..3c88208
--- /dev/null
+++ b/R/wrap_examples.R
@@ -0,0 +1,47 @@
+load_my_example_pkg <- function(pkg, recompile = TRUE, ...) {
+  if (!requireNamespace("devtools", quietly = TRUE)) {
+    stop("Package devtools must be installed to run unit tests.",
+         call. = FALSE)
+  }
+  path <- system.file(file.path('examples', pkg), package = 'RcppProgress')
+  devtools::load_all(path, quiet = TRUE, recompile = recompile, ...)
+}
+
+get_function_from_pkg <- function(pkg, fun) {
+  get(fun, getNamespace(pkg))
+}
+
+test_sequential <- function(max = 100, nb = 1000, display_progress= TRUE, ...) {
+  pkg <- 'RcppProgressExample'
+  load_my_example_pkg(pkg, ...)
+  fun <- get_function_from_pkg(pkg, 'test_sequential')
+  fun(max, nb, display_progress)
+}
+
+# R wrapper for the example function #2
+test_multithreaded <- function(max = 100, nb = 1000, threads = 0,
+                               display_progress = TRUE, ...)
+{
+  pkg <- 'RcppProgressExample'
+  load_my_example_pkg(pkg, ...)
+  fun <- get_function_from_pkg(pkg, 'test_multithreaded')
+  fun(max, nb, threads, display_progress)
+}
+
+amardillo_multithreaded <- function(max = 100, nb = 1000, threads = 0,
+                                    display_progress = TRUE, ...)
+{
+  testthat::skip_if_not_installed('RcppArmadillo')
+  pkg <- 'RcppProgressArmadillo'
+  load_my_example_pkg(pkg, ...)
+  fun <- get_function_from_pkg(pkg, 'test_multithreaded')
+  fun(max, nb, threads, display_progress)
+}
+
+eta_progress_bar <- function(max = 100, nb = 1000, display_progress = TRUE)
+{
+  pkg <- 'RcppProgressETA'
+  load_my_example_pkg(pkg)
+  fun <- get_function_from_pkg(pkg, 'test_sequential')
+  fun(max, nb, display_progress)
+}
\ No newline at end of file
diff --git a/tests/testthat/test-pkg_examples.R b/tests/testthat/test-pkg_examples.R
index 6e0c5b1..f7d12dc 100644
--- a/tests/testthat/test-pkg_examples.R
+++ b/tests/testthat/test-pkg_examples.R
@@ -1,5 +1,3 @@
-source("wrap_examples.R")
-
 context('RcppProgressExample sequential\n')
 
 .test_sequential <- function() {