Error handling test library.

Author: Moderocky

src/test/java/mx/kenzie/skript/test/ErrorHandlingTest.java

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+package mx.kenzie.skript.test;
+
+import mx.kenzie.foundation.language.PostCompileClass;
+import mx.kenzie.skript.runtime.Script;
+import mx.kenzie.skript.runtime.Skript;
+import mx.kenzie.skript.runtime.internal.Member;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.io.ByteArrayInputStream;
+import java.nio.charset.StandardCharsets;
+
+public class ErrorHandlingTest extends SkriptTest {
+    
+    private static final Skript skript = new Skript();
+    private static Script script;
+    
+    @BeforeClass
+    public static void start() throws Throwable {
+        skript.registerLibrary(new TestingLibrary());
+        final PostCompileClass cls = skript.compileScript(new ByteArrayInputStream("""
+            function test_error:
+                trigger:
+                    set {var} to 1
+                    print "hello"
+                    throw exception
+            """.getBytes(StandardCharsets.UTF_8)), "skript.error_test");
+        script = skript.loadScript(cls);
+    }
+    
+    @Test
+    public void basic_use() throws Throwable {
+        final Member function = script.getFunction("test_error");
+        assert function != null;
+        function.invoke();
+    }
+    
+}

src/test/java/mx/kenzie/skript/test/TestingLibrary.java

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+package mx.kenzie.skript.test;
+
+import mx.kenzie.skript.api.LanguageElement;
+import mx.kenzie.skript.api.Library;
+import mx.kenzie.skript.api.ModifiableLibrary;
+import mx.kenzie.skript.api.syntax.Effect;
+import mx.kenzie.skript.compiler.CompileState;
+import mx.kenzie.skript.lang.element.StandardElements;
+import mx.kenzie.skript.lang.handler.StandardHandlers;
+
+public class TestingLibrary extends ModifiableLibrary {
+    public TestingLibrary() {
+        super("testing");
+        this.registerSyntax(CompileState.CODE_BODY, new ThrowException(this));
+    }
+    
+    public static class ThrowException extends Effect {
+    
+        public ThrowException(Library provider) {
+            super(provider, StandardElements.EFFECT, "throw exception");
+            handlers.put(StandardHandlers.RUN, findMethod(ThrowException.class, "error"));
+        }
+        
+        public static void error() {
+            throw new RuntimeException("Testing error.");
+        }
+    }
+    
+}