Add unit test for FS.trackingDelegate operation.

1 files changed, 39 insertions, 0 deletions

diff --git a/tests/fs/test_trackingdelegate.c b/tests/fs/test_trackingdelegate.c
new file mode 100644
index 00000000..6cdece72
--- /dev/null
+++ b/tests/fs/test_trackingdelegate.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <emscripten.h>
+
+int main() {
+
+  EM_ASM(
+    FS.trackingDelegate['willMovePath'] = function(oldpath, newpath) {
+      Module.print('About to move "' + oldpath + '" to "' + newpath + '"');
+    };
+    FS.trackingDelegate['onMovePath'] = function(oldpath, newpath) {
+      Module.print('Moved "' + oldpath + '" to "' + newpath + '"');
+    };
+    FS.trackingDelegate['willDeletePath'] = function(path) {
+      Module.print('About to delete "' + path + '"');
+    };
+    FS.trackingDelegate['onDeletePath'] = function(path) {
+      Module.print('Deleted "' + path + '"');
+    };
+    FS.trackingDelegate['onOpenFile'] = function(path, flags) { 
+      Module.print('Opened "' + path + '" with flags ' + flags);
+    };
+    FS.trackingDelegate['onWriteToFile'] = function(path) {
+      Module.print('Wrote to file "' + path + '"');
+    };
+  );
+
+  FILE *file;
+  file = fopen("/file.txt", "w");
+  fputs("hello!", file);
+  fclose(file);
+  rename("/file.txt", "/renamed.txt");
+  file = fopen("/renamed.txt", "r");
+  char str[256] = {};
+  fgets(str, 255, file);
+  printf("File read returned '%s'\n", str);
+  fclose(file);
+  remove("/renamed.txt");
+}