1 files changed, 12 insertions, 3 deletions

diff --git a/ymake.cpp b/ymake.cpp
index a3eec6a..cc3e00e 100644
--- a/ymake.cpp
+++ b/ymake.cpp
@@ -34,7 +34,11 @@ using namespace std::string_literals;
 namespace {
  void usage()
  {
-  std::cout << "Usage: ymake <target>" << std::endl;
+  std::cout << "Usage: ymake [<action>]" << std::endl;
+  std::cout << "       with <action> one of:" << std::endl;
+  std::cout << "         build (same as no action specified)" << std::endl;
+  std::cout << "         clean" << std::endl;
+  std::cout << "         test" << std::endl;
  }
 
 }
@@ -55,11 +59,16 @@ int ymake(int argc, char* argv[])
    exit(1);
   }
 
-  Builder builder(ptree);
-  if (action == "default"s || action == "build") { // build
+  if (action == "default" || action == "build") { // build
+   Builder builder(ptree, "build");
    builder.build();
   } else if (action == "clean") {
+   Builder builder(ptree, "*");
    builder.clean();
+  } else if (action == "test") {
+   Builder builder(ptree, "test");
+   builder.build();
+   builder.run_tests();
   } else if (action == "install") {
    throw std::runtime_error("unimplemented");
   } else if (action == "rebuild") {