feat: update structure

2024-01-22 14:27:40 +08:00
parent 7836c9185c
commit 3544a28a2e
559 changed files with 120846 additions and 4102 deletions
--- a/2021-2022/Test3.java
+++ b/2021-2022/Test3.java
@@ -0,0 +1,76 @@
+import java.util.AbstractMap.SimpleEntry;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+class Test3 {
+  public static void main(String[] args) throws Throwable {
+    CS2030STest i = new CS2030STest();
+
+    Map<String, List<Integer>> customerTable = Map.of("Michelle", List.of(12, 56), 
+                                                      "Enzio",  List.of(34, 90), 
+                                                      "Michael", List.of(78));
+
+
+    Map<Integer, Double> salesTable = Map.of(12, 12.0,
+                                             34, 6.0,
+                                             56, 7.5,
+                                             78, 9.0,
+                                             90, 17.0);
+
+
+    Map.Entry<String, List<Integer>> enzioEntry = new 
+                                  SimpleEntry<String, List<Integer>>("Enzio",  List.of(34, 90));
+    Map.Entry<String, List<Integer>> michaelEntry = new 
+                                  SimpleEntry<String, List<Integer>>("Michael",  List.of(78));
+    Map.Entry<String, List<Integer>> michelleEntry = new 
+                                  SimpleEntry<String, List<Integer>>("Michelle",  List.of(12, 56));
+
+    i.expectReturn("Query.getFilteredByKey(customerTable, x -> x.equals(\"Enzio\"))" + 
+                   ".collect(Collectors.toList());\n// Should return a Stream containing" 
+                   + " the Enzio Entry",
+        () -> Query.getFilteredByKey(customerTable, x -> x.equals("Enzio"))
+                                           .collect(Collectors.toList()), List.of(enzioEntry));
+   
+    i.expectReturn("Query.getFilteredByKey(customerTable, x -> x.startsWith(\"Mic\"))" + 
+                   ".collect(Collectors.toList());\n// Should return a Stream containing" 
+                   + " both the Michelle and Michael entries",
+        () -> Query.getFilteredByKey(customerTable, x -> x.startsWith("Mic"))
+                          .sorted((e1, e2) -> e1.getKey().compareTo(e2.getKey()))
+                          .collect(Collectors.toList()), List.of(michaelEntry, michelleEntry));
+
+    i.expectReturn("Query.getFilteredByKey(customerTable, x -> x.startsWith(\"A\"))" 
+                 + ".collect(Collectors.toList());\n// should return an empty Stream",
+        () -> Query.getFilteredByKey(customerTable, x -> x.startsWith("A"))
+                   .collect(Collectors.toList()), Collections.emptyList());
+
+    i.expectReturn("Query.getIdsFromName(customerTable, \"Michelle\").sorted()" + 
+                   ".collect(Collectors.toList());\n// should return a list containing 12 and 56",
+        () -> Query.getIdsFromName(customerTable, "Michelle").sorted()
+                   .collect(Collectors.toList()), List.of(12, 56));
+
+    i.expectReturn("Query.getIdsFromName(customerTable, \"Sam\").sorted()" +
+                   ".collect(Collectors.toList());\n// should return an empty list",
+        () -> Query.getIdsFromName(customerTable, "Sam").sorted()
+                   .collect(Collectors.toList()), Collections.emptyList());
+
+    i.expectReturn("Query.getCostsFromIDs(salesTable, Stream.of(12)).sorted()"
+                   + ".collect(Collectors.toList());\n// should return a list containing 12.0",
+        () -> Query.getCostsFromIDs(salesTable, Stream.of(12)).sorted()
+                    .collect(Collectors.toList()), List.of(12.0));
+
+    i.expectReturn("Query.getCostsFromIDs(salesTable, Stream.of(12, 90)).sorted()"
+                   + ".collect(Collectors.toList());\n// should return a list "
+                   + "containing 12.0 and 17.0",
+        () -> Query.getCostsFromIDs(salesTable, Stream.of(12, 90)).sorted()
+                    .collect(Collectors.toList()), List.of(12.0, 17.0));
+
+    i.expectReturn("Query.getCostsFromIDs(salesTable, Stream.of(7)).sorted()" 
+                   + ".collect(Collectors.toList());\n// should return an empty list",
+        () -> Query.getCostsFromIDs(salesTable, Stream.of(7)).sorted()
+                    .collect(Collectors.toList()), Collections.emptyList());
+  }
+}