From e31f1c59e1b2136a1b012c36f375b29c4cbd6b6b Mon Sep 17 00:00:00 2001
From: Daniel Holle <dholle@hb.dhbw-stuttgart.de>
Date: Fri, 27 Oct 2023 14:27:47 +0200
Subject: [PATCH] Examples

---
 resources/bytecode/javFiles/Chain.jav          | 13 +++++++++++++
 .../bytecode/javFiles/FunctionalInterface.jav  | 15 +++++++++++++++
 .../target/tree/expression/TargetForEach.java  |  2 --
 src/test/java/TestComplete.java                | 18 ++++++++++++++++++
 4 files changed, 46 insertions(+), 2 deletions(-)
 create mode 100644 resources/bytecode/javFiles/Chain.jav
 create mode 100644 resources/bytecode/javFiles/FunctionalInterface.jav

diff --git a/resources/bytecode/javFiles/Chain.jav b/resources/bytecode/javFiles/Chain.jav
new file mode 100644
index 00000000..c6b034a3
--- /dev/null
+++ b/resources/bytecode/javFiles/Chain.jav
@@ -0,0 +1,13 @@
+import java.lang.Integer;
+
+public class Chain {
+    x = 5;
+
+    chain() {
+        return this;
+    }
+
+    m() {
+        return this.chain().chain().chain().x;
+    }
+}
\ No newline at end of file
diff --git a/resources/bytecode/javFiles/FunctionalInterface.jav b/resources/bytecode/javFiles/FunctionalInterface.jav
new file mode 100644
index 00000000..62120fa2
--- /dev/null
+++ b/resources/bytecode/javFiles/FunctionalInterface.jav
@@ -0,0 +1,15 @@
+import java.lang.Integer;
+import java.util.function.Function;
+
+public class FunctionalInterface {
+    Integer accept(Function<Integer, Integer> f) {
+        return f.apply(20);
+    }
+
+    Integer m() {
+        var v = accept(i -> {
+            return i * 10;
+        });
+        return v;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/de/dhbwstuttgart/target/tree/expression/TargetForEach.java b/src/main/java/de/dhbwstuttgart/target/tree/expression/TargetForEach.java
index ce50403c..ce4fa10b 100644
--- a/src/main/java/de/dhbwstuttgart/target/tree/expression/TargetForEach.java
+++ b/src/main/java/de/dhbwstuttgart/target/tree/expression/TargetForEach.java
@@ -1,6 +1,4 @@
 package de.dhbwstuttgart.target.tree.expression;
 
-import de.dhbwstuttgart.target.tree.type.TargetType;
-
 public record TargetForEach(TargetExpression vardecl, TargetExpression list) implements TargetExpression {
 }
diff --git a/src/test/java/TestComplete.java b/src/test/java/TestComplete.java
index dbdfff2d..e4e5849b 100644
--- a/src/test/java/TestComplete.java
+++ b/src/test/java/TestComplete.java
@@ -736,4 +736,22 @@ public class TestComplete {
         var m = clazz.getDeclaredMethod("m", Integer.class);
         assertEquals(m.invoke(instance, 10), 60);
     }
+
+    @Test
+    public void testFunctionalInterface() throws Exception {
+        var classFiles = generateClassFiles(new ByteArrayClassLoader(), "FunctionalInterface.jav");
+        var clazz = classFiles.get("FunctionalInterface");
+        var instance = clazz.getDeclaredConstructor().newInstance();
+        var m = clazz.getDeclaredMethod("m", Integer.class);
+        assertEquals(m.invoke(instance, 20), 400);
+    }
+
+    @Test
+    public void testChain() throws Exception {
+        var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Chain.jav");
+        var clazz = classFiles.get("Chain");
+        var instance = clazz.getDeclaredConstructor().newInstance();
+        var m = clazz.getDeclaredMethod("m");
+        assertEquals(m.invoke(instance), 5);
+    }
 }