Add test case for issue 1868 Symbol solver with MethodCallExpr exception

javaparser-symbol-solver-testing/src/test/java/com/github/javaparser/symbolsolver/Issue1868Test.java

@@ -0,0 +1,55 @@
+package com.github.javaparser.symbolsolver;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.nio.file.Path;
+import java.util.List;
+
+import org.junit.jupiter.api.Test;
+
+import com.github.javaparser.ParserConfiguration;
+import com.github.javaparser.StaticJavaParser;
+import com.github.javaparser.ast.CompilationUnit;
+import com.github.javaparser.ast.expr.MethodCallExpr;
+import com.github.javaparser.symbolsolver.resolution.typesolvers.CombinedTypeSolver;
+import com.github.javaparser.symbolsolver.resolution.typesolvers.JavaParserTypeSolver;
+import com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver;
+
+
+public class Issue1868Test extends AbstractSymbolResolutionTest {
+
+    @Test
+    public void test() {
+
+        Path testResources= adaptPath("src/test/resources/issue1868");
+
+        CombinedTypeSolver typeSolver = new CombinedTypeSolver();
+        typeSolver.add(new ReflectionTypeSolver());
+        typeSolver.add(new JavaParserTypeSolver(testResources));
+
+        StaticJavaParser.setConfiguration(new ParserConfiguration().setSymbolResolver(new JavaSymbolSolver(typeSolver)));
+
+        String s = 
+                "class A {\n" + 
+                "    public void foo() {\n" + 
+                "        toArray(new String[0]);\n" + 
+                "    }\n" + 
+                "    public void bar() {\n" + 
+                "        B b = null;\n" + 
+                "        b.toArray(new String[0]);\n" + 
+                "    }\n" + 
+                "    public <T> T[] toArray(T[] tArray) {\n" + 
+                "        // ...\n" + 
+                "    }\n" + 
+                "}";
+
+        CompilationUnit cu = StaticJavaParser.parse(s);
+
+        List<MethodCallExpr> mces = cu.findAll(MethodCallExpr.class);
+
+        assertEquals("toArray(new String[0]) resolved to A.toArray",String.format("%s resolved to %s", mces.get(0), mces.get(0).resolve().getQualifiedName()));
+        assertEquals("b.toArray(new String[0]) resolved to B.toArray",String.format("%s resolved to %s", mces.get(1), mces.get(1).resolve().getQualifiedName()));
+
+    }
+
+}

javaparser-symbol-solver-testing/src/test/resources/issue1868/B.java

@@ -0,0 +1,5 @@
+class B {
+    public <T> T[] toArray(T[] tArray) {
+        // ...
+    }
+}