added a little test of showing how we can use the standard kotlin functions and standard library from Java

2012-03-17 17:00:32 +00:00
parent 78d3c7ef47
commit cfe39d4025
3 changed files with 99 additions and 0 deletions
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project
+        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+        xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.jetbrains.kotlin</groupId>
+        <artifactId>kotlin-project</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>kotlin-java</artifactId>
+
+    <dependencies>
+<!--
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>stdlib</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+-->
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-runtime</artifactId>
+            <version>${project.version}</version>
+            <scope>system</scope>
+            <systemPath>${kotlin-sdk}/lib/kotlin-runtime.jar</systemPath>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit-version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <sourceDirectory>src/main/java</sourceDirectory>
+        <testSourceDirectory>src/test/java</testSourceDirectory>
+
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
@@ -0,0 +1,34 @@
+package test.kotlin.jtests;
+
+import static kotlin.namespace.*;
+import static kotlin.util.namespace.*;
+
+import jet.Function1;
+import junit.framework.TestCase;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * Lets try using the Kotlin standard library from Java code
+ */
+public class CollectionTest extends TestCase {
+
+    public void testCollections() throws Exception {
+        List<String> list = arrayList("foo", "bar");
+
+        String text = join(list, ",", "(", ")");
+        System.out.println("Have text: " + text);
+        assertEquals("(foo,bar)", text);
+
+        Collection<String> actual = filter(list, new Function1<String, Boolean>() {
+            @Override
+            public Boolean invoke(String text) {
+                return text.startsWith("b");
+            }
+        });
+
+        System.out.println("Filtered list is " + actual);
+        assertEquals("(bar)", join(actual, ",", "(", ")"));
+    }
+}