Time to start adding tests for things that fail

CMakeLists.txt

@@ -6,6 +6,7 @@ option(TTVFS_SUPPORT_ZIP "Build support for zip archives?" FALSE)
 option(TTVFS_LARGEFILE_SUPPORT "Enable support for files > 4 GB? (experimental!)" TRUE)
 option(TTVFS_IGNORE_CASE "Enable full case-insensitivity even on case-sensitive OSes like Linux and alike?" TRUE)
 option(TTVFS_BUILD_CFILEAPI "Build C-style API wrapper" TRUE)
+option(TTVFS_BUILD_TESTS "Build tests" FALSE)
 
 # Be sure to copy this part to your root CMakeLists.txt if you prefer to use CMake for configuring
 # instead of editing the config header directly!
@@ -58,3 +59,8 @@ endif()
 if(TTVFS_BUILD_EXAMPLES)
     add_subdirectory(examples)
 endif()
+
+if(TTVFS_BUILD_TESTS)
+    add_subdirectory(test)
+endif()
+

test/CMakeLists.txt

@@ -0,0 +1,7 @@
+
+include_directories(${TTVFS_INCLUDE_DIRS})
+
+add_executable(test1 test1.cpp)
+
+target_link_libraries(test1 ttvfs)
+

test/a/data/file.txt

@@ -0,0 +1 @@
+A

test/b/data/file.txt

@@ -0,0 +1 @@
+B

test/c/data/misc.txt

@@ -0,0 +1 @@
+C:misc

test/test1.cpp

@@ -0,0 +1,63 @@
+
+
+#include <ttvfs.h>
+#include <cstdio>
+
+template <typename T> static void assume(const T& what, const char *err)
+{
+    if(!what)
+    {
+        puts("##### FAILED #####");
+        puts(err);
+        exit(2);
+    }
+}
+
+static void testmount_shared(ttvfs::Root& vfs)
+{
+    ttvfs::File *vf = vfs.GetFile("data/file.txt");
+    assume(vf, "File not found");
+    assume(vf->open("r"), "Failed to open");
+    char buf[32];
+    assume(vf->read(&buf, sizeof(buf)) == 1, "Failed to read");
+    assume(buf[0] == 'B', "Mounted incorrectly - wrong file");
+}
+
+
+static bool testmount1()
+{
+    puts("- testmount1...");
+    ttvfs::Root vfs;
+    vfs.AddLoader(new ttvfs::DiskLoader);
+    vfs.Mount("a/data", "data");
+    vfs.Mount("b/data", "data");
+    vfs.Mount("c/data", "data");
+    testmount_shared(vfs);
+    return true;
+}
+
+static bool testmount2()
+{
+    puts("- testmount2...");
+    ttvfs::Root vfs;
+    vfs.AddLoader(new ttvfs::DiskLoader);
+    vfs.Mount("a", "");
+    vfs.Mount("b", "");
+    vfs.Mount("c", "");
+    testmount_shared(vfs);
+    return true;
+}
+
+
+int main(int argc, char *argv[])
+{
+    if (testmount1()
+     && testmount2()
+    ){
+        puts("Tests passed!");
+        return 0;
+    }
+
+    puts("FAIL?!");
+    return 1;
+}