WIP: Adds a test case to trigger the elt bug in the GIPSL code gen

gipsl.all.build.eltbug/.classpath

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src-gen"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

gipsl.all.build.eltbug/.project

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>gipsl.all.build.eltbug</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.emoflon.gips.gipsl.ui.gipsNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
+	</natures>
+</projectDescription>

gipsl.all.build.eltbug/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,7 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
+org.eclipse.jdt.core.compiler.compliance=21
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=21

gipsl.all.build.eltbug/META-INF/MANIFEST.MF

@@ -0,0 +1,17 @@
+Manifest-Version: 1.0
+Automatic-Module-Name: gipsl.all.build.eltbug
+Bundle-ManifestVersion: 2
+Bundle-Name: gipsl.all.build.eltbug
+Bundle-Vendor: My Company
+Bundle-Version: 1.0.0.qualifier
+Export-Package: gipsl.all.build.eltbug.connector
+Bundle-SymbolicName: gipsl.all.build.eltbug; singleton:=true
+Bundle-ActivationPolicy: lazy
+Bundle-RequiredExecutionEnvironment: JavaSE-21
+Require-Bundle: org.emoflon.ibex.common,
+ org.emoflon.ibex.gt,
+ org.emoflon.gips.core,
+ org.emoflon.ibex.gt.democles,
+ org.emoflon.ibex.gt.hipe,
+ gipsl.all.build.model,
+ test.suite.utils

gipsl.all.build.eltbug/build.properties

@@ -0,0 +1,5 @@
+source.. = src/,\
+		src-gen/
+bin.includes = META-INF/,\
+		.,\
+		plugin.xml

gipsl.all.build.eltbug/src/gipsl/all/build/eltbug/Model.gipsl

@@ -0,0 +1,58 @@
+package "gipsl.all.build.eltbug"
+import "platform:/resource/gipsl.all.build.model/model/Model.ecore"
+
+config {  
+	solver := GUROBI;
+	timeLimit := true [value := 10.0];
+	randomSeed := true [value := 0];
+	presolve := true;
+	debugOutput := false;
+}
+
+rule mapVnode {
+	root: Root {
+		-containers -> substrateContainer
+		-containers -> virtualContainer
+	}
+
+	substrateContainer: SubstrateContainer {
+		-substrateNodes -> snode
+	}
+
+	virtualContainer: VirtualContainer {
+		-virtualNodes -> vnode
+	}
+
+	snode: SubstrateResourceNode
+
+	vnode: VirtualResourceNode {
+		++ -host -> snode
+	}
+}
+
+pattern findRoot {
+	root : Root
+}
+
+//
+// GIPSL starts here!
+//
+
+mapping n2n to mapVnode;
+
+// Every node must be mapped exactly once
+constraint with VirtualNode {
+	mappings.n2n->filter(element.nodes.vnode == context)->sum(element.value) == 1
+}
+
+// This function triggers the bug within the code generation
+function dummy with Root {
+	mappings.n2n->sum(element.value)
+	*
+	patterns.findRoot->sum(1)
+	// ^this does also trigger the bug when access uses `rules.xy`
+}
+
+objective : min {
+	functions.dummy
+}

gipsl.all.build.eltbug/src/gipsl/all/build/eltbug/connector/EltBugConnector.java

@@ -0,0 +1,25 @@
+package gipsl.all.build.eltbug.connector;
+
+import org.emoflon.gips.core.milp.SolverOutput;
+
+import gipsl.all.build.eltbug.api.gips.EltbugGipsAPI;
+import test.suite.gips.utils.AConnector;
+import test.suite.gips.utils.GipsTestUtils;
+import test.suite.gips.utils.GlobalTestConfig;
+
+public class EltBugConnector extends AConnector {
+
+	public EltBugConnector(final String modelPath) {
+		api = new EltbugGipsAPI();
+		api.init(GipsTestUtils.pathToAbsUri(modelPath));
+		GlobalTestConfig.overrideSolver(api);
+	}
+
+	@Override
+	public SolverOutput run(final String outputPath) {
+		final SolverOutput output = solve();
+		((EltbugGipsAPI) api).getN2n().applyNonZeroMappings();
+		return output;
+	}
+
+}

test.suite.gips/META-INF/MANIFEST.MF

@@ -41,6 +41,7 @@ Import-Package: gips.enumequals.connector,
  gipsl.all.build.and.connector,
  gipsl.all.build.booleanbrackets.connector,
  gipsl.all.build.count.connector,
+ gipsl.all.build.eltbug.connector,
  gipsl.all.build.equals.fxeqctrafo.connector,
  gipsl.all.build.filter.connector,
  gipsl.all.build.implication.connector,

test.suite.gips/src/test/suite/gipsl/all/build/GipslAllBuildEltBugTest.java

@@ -0,0 +1,41 @@
+package test.suite.gipsl.all.build;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.emoflon.gips.core.milp.SolverOutput;
+import org.emoflon.gips.core.milp.SolverStatus;
+import org.junit.jupiter.api.Test;
+
+import gipsl.all.build.eltbug.connector.EltBugConnector;
+
+public class GipslAllBuildEltBugTest extends AGipslAllBuildTest {
+
+	// Setup method
+
+	public void callableSetUp() {
+		gen.persistModel(MODEL_PATH);
+		con = new EltBugConnector(MODEL_PATH);
+	}
+
+	// Actual tests
+	// Positive tests
+
+	@Test
+	public void testMap2to1() {
+		gen.genSubstrateNode("s1", 10);
+		gen.genVirtualNode("v1", 1);
+		gen.genVirtualNode("v2", 1);
+		callableSetUp();
+
+		final SolverOutput ret = con.run(OUTPUT_PATH);
+
+		assertEquals(SolverStatus.OPTIMAL, ret.status());
+		assertEquals(2, ret.objectiveValue());
+	}
+
+	@Override
+	public Class<?> getConnectorClass() {
+		return EltBugConnector.class;
+	}
+
+}