add Path::dir_entries()

test/src/test_Path.cc

@@ -1,5 +1,6 @@
 #include "gtest/gtest.h"
 #include "jes/Path.h"
+#include <algorithm>
 
 using namespace jes;
 
@@ -44,3 +45,10 @@ TEST(PathTest, exists)
     EXPECT_TRUE(Path("runtime").exists());
     EXPECT_FALSE(Path("foobar").exists());
 }
+
+TEST(PathTest, dir_entries)
+{
+    auto dir_entries = Path(".").dir_entries();
+    EXPECT_TRUE(std::find(dir_entries.begin(), dir_entries.end(), "runtime") != dir_entries.end());
+    EXPECT_FALSE(std::find(dir_entries.begin(), dir_entries.end(), "foobar") != dir_entries.end());
+}