AK: Add a basic unit test for FileSystemPath

Just to make sure that things are on the up-and-up.

2 files changed, 35 insertions, 1 deletions

diff --git a/AK/Tests/Makefile b/AK/Tests/Makefile
index 7621cf97bb..380c9eab60 100644
--- a/AK/Tests/Makefile
+++ b/AK/Tests/Makefile
@@ -1,4 +1,4 @@
-PROGRAMS = TestString TestQueue TestVector TestHashMap TestJSON TestWeakPtr TestNonnullRefPtr TestRefPtr TestFixedArray
+PROGRAMS = TestString TestQueue TestVector TestHashMap TestJSON TestWeakPtr TestNonnullRefPtr TestRefPtr TestFixedArray TestFileSystemPath
 
 CXXFLAGS = -std=c++17 -Wall -Wextra -ggdb3 -O2 -I../ -I../../
 
@@ -12,6 +12,7 @@ SHARED_TEST_OBJS = \
 	../JsonObject.o \
 	../JsonValue.o \
 	../JsonParser.o \
+    ../FileSystemPath.o \
 
 .cpp.o:
 	@echo "HOST_CXX $<"; $(PRE_CXX) $(CXX) $(CXXFLAGS) -o $@ -c $<
@@ -54,6 +55,10 @@ TestRefPtr: TestRefPtr.o $(SHARED_TEST_OBJS)
 TestOptional: TestOptional.o $(SHARED_TEST_OBJS)
 	$(PRE_CXX) $(CXX) $(CXXFLAGS) -o $@ TestOptional.o $(SHARED_TEST_OBJS)
 
+TestFileSystemPath: TestFileSystemPath.o $(SHARED_TEST_OBJS)
+	$(PRE_CXX) $(CXX) $(CXXFLAGS) -o $@ TestFileSystemPath.o $(SHARED_TEST_OBJS)
+
+
 clean:
 	rm -f $(SHARED_TEST_OBJS)
 	rm -f $(PROGRAMS)
diff --git a/AK/Tests/TestFileSystemPath.cpp b/AK/Tests/TestFileSystemPath.cpp
new file mode 100644
index 0000000000..a3d29344ef
--- /dev/null
+++ b/AK/Tests/TestFileSystemPath.cpp
@@ -0,0 +1,29 @@
+#include <AK/TestSuite.h>
+
+#include <AK/AKString.h>
+#include <AK/FileSystemPath.h>
+
+TEST_CASE(construct)
+{
+    EXPECT_EQ(FileSystemPath().is_valid(), false);
+}
+
+TEST_CASE(basic)
+{
+    FileSystemPath path("/abc/def/ghi.txt");
+    EXPECT_EQ(path.is_valid(), true);
+    EXPECT_EQ(path.basename(), "ghi.txt");
+    EXPECT_EQ(path.title(), "ghi");
+    EXPECT_EQ(path.extension(), "txt");
+    EXPECT_EQ(path.parts().size(), 3);
+    EXPECT_EQ(path.parts(), Vector<String>({ "abc", "def", "ghi.txt" }));
+    EXPECT_EQ(path.string(), "/abc/def/ghi.txt");
+}
+
+TEST_CASE(dotdot_coalescing)
+{
+    EXPECT_EQ(FileSystemPath("/home/user/../../not/home").string(), "/not/home");
+    EXPECT_EQ(FileSystemPath("/../../../../").string(), "/");
+}
+
+TEST_MAIN(FileSystemPath)