Add test for path::join()

src/core/unit_tests.cpp

@@ -1156,6 +1156,37 @@ static void test_path()
 		const bool b = path::is_root("/home");
 		ENSURE(b == false);
 	}
+	{
+		TempAllocator128 ta;
+		DynamicString path(ta);
+		path::join(path, "/home", "foo");
+		ENSURE(path == "/home/foo");
+	}
+#else
+	{
+		const bool a = path::is_absolute("C:\\Users\\foo");
+		ENSURE(a == true);
+		const bool b = path::is_absolute("Users\\foo");
+		ENSURE(b == false);
+	}
+	{
+		const bool a = path::is_relative("D:\\Users\\foo");
+		ENSURE(a == false);
+		const bool b = path::is_relative("Users\\foo");
+		ENSURE(b == true);
+	}
+	{
+		const bool a = path::is_root("E:\\");
+		ENSURE(a == true);
+		const bool b = path::is_root("E:\\Users");
+		ENSURE(b == false);
+	}
+	{
+		TempAllocator128 ta;
+		DynamicString path(ta);
+		path::join(path, "C:\\Users", "foo");
+		ENSURE(path == "C:\\Users\\foo");
+	}
 #else
 	{
 		const bool a = path::is_absolute("C:\\Users\\foo");
@@ -1197,6 +1228,28 @@ static void test_path()
 		ENSURE(strcmp(r, "config") == 0);
 	}
 }
+#endif // CROWN_PLATFORM_POSIX
+	{
+		const char* p = path::basename("");
+		ENSURE(strcmp(p, "") == 0);
+		const char* q = path::basename("/");
+		ENSURE(strcmp(q, "") == 0);
+		const char* r = path::basename("boot.config");
+		ENSURE(strcmp(r, "boot.config") == 0);
+		const char* s = path::basename("foo/boot.config");
+		ENSURE(strcmp(s, "boot.config") == 0);
+		const char* t = path::basename("/foo/boot.config");
+		ENSURE(strcmp(t, "boot.config") == 0);
+	}
+	{
+		const char* p = path::extension("");
+		ENSURE(p == NULL);
+		const char* q = path::extension("boot");
+		ENSURE(q == NULL);
+		const char* r = path::extension("boot.bar.config");
+		ENSURE(strcmp(r, "config") == 0);
+	}
+}
 
 static void test_command_line()
 {