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/Lab8/Test6.java
+++ b/cs2030s/labs/Lab8/Test6.java
@@ -0,0 +1,46 @@
+import cs2030s.fp.InfiniteList;
+
+class Test6 {
+  public static void main(String[] args) {
+    CS2030STest i = new CS2030STest();
+
+    InfiniteList<Integer> numbers = InfiniteList.iterate(0, x -> x + 1);
+    i.expectReturn(
+        "InfiniteList.end().reduce(0, (x, y) -> x + y)",
+        () -> InfiniteList.<Integer>end().reduce(0, (x, y) -> x + y), 0);
+    i.expectReturn(
+        "InfiniteList.iterate(0, x -> x + 1).limit(5).reduce(0, (x, y) -> x + y)",
+        () -> numbers.limit(5).reduce(0, (x, y) -> x + y), 10);
+    i.expectReturn(
+        "InfiniteList.iterate(0, x -> x + 1).limit(0).reduce(0, (x, y) -> x + y)",
+        () -> InfiniteList.iterate(0, x -> x + 1).limit(0).reduce(0, (x, y) -> x + y), 0);
+    i.expectReturn(
+        "InfiniteList.iterate(1, x -> x + 1).map(x -> x * x).limit(5).reduce(1, (x, y) -> x * y)",
+        () -> InfiniteList.iterate(1, x -> x + 1).map(x -> x * x).limit(5)
+        .reduce(1, (x, y) -> x * y),
+        14400);
+
+    i.expectReturn(
+        "InfiniteList.end().count()",
+        () -> InfiniteList.end().count(), 0L);
+    i.expectReturn(
+        "InfiniteList.iterate(0, x -> x + 1).limit(0).count()",
+        () -> numbers.limit(0).count(), 0L);
+    i.expectReturn(
+        "InfiniteList.iterate(0, x -> x + 1).limit(1).count()",
+        () -> numbers.limit(1).count(), 1L);
+    i.expectReturn(
+        "InfiniteList.iterate(0, x -> x + 1).filter(x -> x % 2 == 1).limit(10).count()",
+        () -> numbers.filter(x -> x % 2 == 1).limit(10).count(), 10L);
+    i.expectReturn(
+        "InfiniteList.iterate(0, x -> x + 1).limit(10).filter(x -> x % 2 == 1).count()",
+        () -> numbers.limit(10).filter(x -> x % 2 == 1).count(), 5L);
+    i.expectReturn(
+        "InfiniteList.iterate(0, x -> x + 1).takeWhile(x -> x < 10).count()",
+        () -> numbers.takeWhile(x -> x < 10).count(), 10L);
+    i.expectReturn(
+        "InfiniteList.iterate(0, x -> x + 1).takeWhile(x -> x < 10).filter(x -> x % 2 == 0)" +
+        ".count()",
+        () -> numbers.takeWhile(x -> x < 10).filter(x -> x % 2 == 0).count(), 5L);
+  }
+}