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/Lab4/Test3.java
+++ b/cs2030s/labs/Lab4/Test3.java
@@ -0,0 +1,43 @@
+class Test3 {
+  public static void main(String[] args) {
+    CS2030STest we = new CS2030STest();
+    
+    class Incr implements Immutator<Integer, Integer> {
+      public Integer invoke(Integer t1) {
+        return t1 + 1;
+      }
+    }
+
+    class Length implements Immutator<Integer, String> {
+      public Integer invoke(String t1) {
+        return t1.length();
+      }
+    }
+    
+    we.expect("new Incr().invoke(4)",
+              new Incr().invoke(4).toString(),
+              "5");
+    we.expect("new Incr().invoke(new Incr().invoke(4))",
+              new Incr().invoke(new Incr().invoke(4)).toString(),
+              "6");
+    we.expect("new Length().invoke(\"string\")",
+              new Length().invoke("string").toString(),
+              "6");
+    we.expect("new Incr().invoke(new Length().invoke(\"string\"))",
+              new Incr().invoke(new Length().invoke("string")).toString(),
+              "7");
+
+    we.expect("new Improbable<>().invoke(1)",
+              new Improbable<Integer>().invoke(1).toString(),
+              "<1>");
+    we.expect("new Improbable<String>().invoke(null)",
+              new Improbable<String>().invoke(null).toString(),
+              "<>");
+    we.expect("new Improbable<Integer>().invoke(1).transform(new Incr())",
+              new Improbable<Integer>().invoke(1).transform(new Incr()).toString(),
+              "<2>");
+    we.expect("new Improbable<>().invoke(new Improbable<>().invoke(1))",
+              new Improbable<>().invoke(new Improbable<Integer>().invoke(1)).toString(),
+              "<<1>>");
+  }
+}