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/Test4.java
+++ b/cs2030s/labs/Lab4/Test4.java
@@ -0,0 +1,40 @@
+class Test4 {
+  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("Probably.just(4).transform(new Incr())",
+              Probably.just(4).transform(new Incr()).toString(),
+              "<5>");
+    we.expect("Probably.just(4).transform(new Incr()).transform(new Incr())",
+              Probably.just(4).transform(new Incr()).transform(new Incr()).toString(),
+              "<6>");
+    we.expect("Probably.just(\"string\").transform(new Length())",
+              Probably.just("string").transform(new Length()).toString(),
+              "<6>");
+    we.expect("Probably.just(\"string\").transform(new Length()).transform(new Incr())",
+              Probably.just("string").transform(new Length()).transform(new Incr()).toString(),
+              "<7>");
+              
+    we.expect("Probably.<Integer>none().transform(new Incr())",
+              Probably.<Integer>none().transform(new Incr()).toString(),
+              "<>");
+    we.expect("Probably.<String>none().transform(new Length())",
+              Probably.<String>none().transform(new Length()).toString(),
+              "<>");
+    we.expect("Probably.<String>just(null).transform(new Length()).transform(new Incr())",
+              Probably.<String>just(null).transform(new Length()).transform(new Incr()).toString(),
+              "<>");
+  }
+}