add 8, 11, 12

src/assignments/assignment11/mock_storage_grade.rs

@@ -0,0 +1,31 @@
+//! Test cases for assignment11/mock_storage.rs
+
+#[cfg(test)]
+mod test_mock_storage {
+    use super::super::mock_storage::*;
+
+    #[test]
+    fn test_mock_storage() {
+        let mock_storage = MockStorage::new(100);
+
+        let uploader1 = FileUploader::new(&mock_storage);
+        let uploader2 = FileUploader::new(&mock_storage);
+
+        let usage_analyzer = UsageAnalyzer::new(&mock_storage, 0.75);
+
+        assert!(uploader1.upload("file1.txt", 20).is_ok());
+        assert!(usage_analyzer.is_usage_under_bound());
+
+        assert!(uploader2.upload("file2.txt", 30).is_ok());
+        assert!(usage_analyzer.is_usage_under_bound());
+
+        assert!(uploader1.upload("file3.txt", 40).is_ok());
+        assert!(!usage_analyzer.is_usage_under_bound());
+
+        assert_eq!(uploader2.upload("file4.txt", 50), Err(40));
+        assert!(!usage_analyzer.is_usage_under_bound());
+
+        assert!(uploader1.upload("file3.txt", 10).is_ok());
+        assert!(usage_analyzer.is_usage_under_bound());
+    }
+}