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/cs2030s/labs/PE2/plab0124/Test3.java
+++ b/cs2030s/labs/PE2/plab0124/Test3.java
@@ -0,0 +1,84 @@
+import cs2030s.fp.Immutator;
+import cs2030s.fp.Saveable;
+import java.util.NoSuchElementException;
+
+class Test3 {
+  public static void main(String[] args) {
+    CS2030STest i = new CS2030STest();
+
+    System.out.println("Immutator<Saveable<Integer>, Integer> f = " +
+        "x -> Saveable.of(x).map(y -> y + 1).map(y -> y + 10);");
+    Immutator<Saveable<Integer>, Integer> f = 
+        x -> Saveable.of(x).map(y -> y + 1).map(y -> y + 10);
+
+    i.expectReturn("Saveable.of(0).flatMap1(f)",
+        () -> Saveable.of(0).flatMap1(f).toString(),
+        "Saveable[11]");
+
+    i.expectReturn("Saveable.of(0).flatMap1(f).flatMap1(f)",
+        () -> Saveable.of(0).flatMap1(f).flatMap1(f).toString(),
+        "Saveable[22]");
+
+    i.expectReturn("Saveable.of(0).flatMap1(f).undo()",
+        () -> Saveable.of(0).flatMap1(f).undo().toString(),
+        "Saveable[1]");
+
+    i.expectReturn("Saveable.of(0).flatMap1(f).undo().undo()",
+        () -> Saveable.of(0).flatMap1(f).undo().undo().toString(),
+        "Saveable[0]");
+
+    i.expectReturn("Saveable.of(0).flatMap1(f).flatMap1(f).undo()",
+        () -> Saveable.of(0).flatMap1(f).flatMap1(f).undo().toString(),
+        "Saveable[12]");
+
+    i.expectReturn("Saveable.of(0).flatMap1(f).flatMap1(f).undo().undo()",
+        () -> Saveable.of(0).flatMap1(f).flatMap1(f).undo().undo().toString(),
+        "Saveable[11]");
+
+    i.expectException("Saveable.of(0).flatMap1(f).flatMap1(f).undo().undo().undo()",
+        () -> Saveable.of(0).flatMap1(f).flatMap1(f).undo().undo().undo().toString(),
+        new NoSuchElementException());
+
+    i.expectReturn("Saveable.of(0).flatMap2(f)",
+        () -> Saveable.of(0).flatMap2(f).toString(),
+        "Saveable[11]");
+
+    i.expectReturn("Saveable.of(0).flatMap2(f).flatMap2(f)",
+        () -> Saveable.of(0).flatMap2(f).flatMap2(f).toString(),
+        "Saveable[22]");
+
+    i.expectReturn("Saveable.of(0).flatMap2(f).undo()",
+        () -> Saveable.of(0).flatMap2(f).undo().toString(),
+        "Saveable[0]");
+    i.expectException("Saveable.of(0).flatMap2(f).undo().undo()",
+        () -> Saveable.of(0).flatMap2(f).undo().undo(),
+        new NoSuchElementException());
+
+    i.expectReturn("Saveable.of(0).flatMap2(f).flatMap2(f).undo()",
+        () -> Saveable.of(0).flatMap2(f).flatMap2(f).undo().toString(),
+        "Saveable[11]");
+
+    i.expectReturn("Saveable.of(0).flatMap2(f).flatMap2(f).undo().undo()",
+        () -> Saveable.of(0).flatMap2(f).flatMap2(f).undo().undo().toString(),
+        "Saveable[0]");
+
+    i.expectException("Saveable.of(0).flatMap2(f).flatMap2(f).undo().undo().undo()",
+        () -> Saveable.of(0).flatMap2(f).flatMap2(f).undo().undo().undo().toString(),
+        new NoSuchElementException());
+
+    System.out.println("Immutator<Saveable<Integer>, Object> hash = " +
+        "o -> Saveable.<Integer>of(o.hashCode() + 10);");
+    Immutator<Saveable<Integer>, Object> hash = o -> Saveable.<Integer>of(o.hashCode() + 10);
+
+    i.expectCompile("Saveable.<Number>of(4).flatMap1(hash);",
+        "cs2030s.fp.Immutator<cs2030s.fp.Saveable<Integer>, Object> hash = " + 
+        "o -> cs2030s.fp.Saveable.<Integer>of(o.hashCode() + 10);\n" +
+        "cs2030s.fp.Saveable.<Number>of(4).flatMap1(hash);",
+        true);
+    i.expectCompile("Saveable.<Number>of(4).flatMap2(hash);",
+        "cs2030s.fp.Immutator<cs2030s.fp.Saveable<Integer>, Object> hash = " +
+        "o -> cs2030s.fp.Saveable.<Integer>of(o.hashCode() + 10);\n" +
+        "cs2030s.fp.Saveable.<Number>of(4).flatMap2(hash);",
+        true);
+  }
+}