test: fs: add tests for read EOF

This fix was merged without tests:
https://github.com/philips/libuv/tree/fix-read-on-windows-to-handle-eof

So take tests from igorzi:
46024bf33d

test/test-fs.c

@@ -1667,3 +1667,59 @@ TEST_IMPL(fs_rename_to_existing_file) {
 
   return 0;
 }
+
+
+TEST_IMPL(fs_read_file_eof) {
+  int r;
+
+  /* Setup. */
+  unlink("test_file");
+
+  loop = uv_default_loop();
+
+  r = uv_fs_open(loop, &open_req1, "test_file", O_WRONLY | O_CREAT,
+      S_IWRITE | S_IREAD, NULL);
+  ASSERT(r != -1);
+  ASSERT(open_req1.result != -1);
+  uv_fs_req_cleanup(&open_req1);
+
+  r = uv_fs_write(loop, &write_req, open_req1.result, test_buf,
+      sizeof(test_buf), -1, NULL);
+  ASSERT(r != -1);
+  ASSERT(write_req.result != -1);
+  uv_fs_req_cleanup(&write_req);
+
+  r = uv_fs_close(loop, &close_req, open_req1.result, NULL);
+  ASSERT(r != -1);
+  ASSERT(close_req.result != -1);
+  uv_fs_req_cleanup(&close_req);
+
+  r = uv_fs_open(loop, &open_req1, "test_file", O_RDONLY, 0, NULL);
+  ASSERT(r != -1);
+  ASSERT(open_req1.result != -1);
+  uv_fs_req_cleanup(&open_req1);
+
+  memset(buf, 0, sizeof(buf));
+  r = uv_fs_read(loop, &read_req, open_req1.result, buf, sizeof(buf), -1,
+      NULL);
+  ASSERT(r != -1);
+  ASSERT(read_req.result != -1);
+  ASSERT(strcmp(buf, test_buf) == 0);
+  uv_fs_req_cleanup(&read_req);
+
+  r = uv_fs_read(loop, &read_req, open_req1.result, buf, sizeof(buf),
+      read_req.result, NULL);
+  ASSERT(r == 0);
+  ASSERT(read_req.result == 0);
+  uv_fs_req_cleanup(&read_req);
+
+  r = uv_fs_close(loop, &close_req, open_req1.result, NULL);
+  ASSERT(r != -1);
+  ASSERT(close_req.result != -1);
+  uv_fs_req_cleanup(&close_req);
+
+  /* Cleanup */
+  unlink("test_file");
+
+  return 0;
+}

test/test-list.h

@@ -124,6 +124,7 @@ TEST_DECLARE   (fs_utime)
 TEST_DECLARE   (fs_futime)
 TEST_DECLARE   (fs_file_open_append)
 TEST_DECLARE   (fs_stat_missing_path)
+TEST_DECLARE   (fs_read_file_eof)
 TEST_DECLARE   (fs_event_watch_dir)
 TEST_DECLARE   (fs_event_watch_file)
 TEST_DECLARE   (fs_event_watch_file_current_dir)
@@ -308,6 +309,7 @@ TASK_LIST_START
   TEST_ENTRY  (fs_futime)
   TEST_ENTRY  (fs_symlink)
   TEST_ENTRY  (fs_stat_missing_path)
+  TEST_ENTRY  (fs_read_file_eof)
   TEST_ENTRY  (fs_file_open_append)
   TEST_ENTRY  (fs_event_watch_dir)
   TEST_ENTRY  (fs_event_watch_file)