Added test case for BigInteger

cpg-neo4j/src/test/kotlin/de/fraunhofer/aisec/cpg_vis_neo4j/ApplicationTest.kt

@@ -43,9 +43,9 @@ import kotlin.test.assertNotNull
 import org.neo4j.ogm.annotation.Relationship
 import picocli.CommandLine
 
-fun createTranslationResult(): Pair<Application, TranslationResult> {
+fun createTranslationResult(file: String = "client.cpp"): Pair<Application, TranslationResult> {
     val topLevel = Paths.get("src").resolve("test").resolve("resources").toAbsolutePath()
-    val path = topLevel.resolve("client.cpp").toAbsolutePath()
+    val path = topLevel.resolve(file).toAbsolutePath()
 
     val cmd = CommandLine(Application::class.java)
     cmd.parseArgs(path.toString())

cpg-neo4j/src/test/kotlin/de/fraunhofer/aisec/cpg_vis_neo4j/Neo4JTest.kt

@@ -25,15 +25,17 @@
  */
 package de.fraunhofer.aisec.cpg_vis_neo4j
 
-import de.fraunhofer.aisec.cpg.graph.functions
+import de.fraunhofer.aisec.cpg.graph.*
+import de.fraunhofer.aisec.cpg.graph.statements.expressions.Literal
+import java.math.BigInteger
 import kotlin.test.Test
 import kotlin.test.assertEquals
+import kotlin.test.assertIs
 import org.junit.jupiter.api.Tag
 
 @Tag("integration")
 class Neo4JTest {
     @Test
-    @Throws(InterruptedException::class)
     fun testPush() {
         val (application, translationResult) = createTranslationResult()
 
@@ -42,4 +44,17 @@ class Neo4JTest {
 
         application.pushToNeo4j(translationResult)
     }
+
+    @Test
+    fun testPushVeryLong() {
+        val (application, translationResult) = createTranslationResult("very_long.cpp")
+
+        assertEquals(1, translationResult.variables.size)
+
+        val lit = translationResult.variables["l"]?.initializer
+        assertIs<Literal<BigInteger>>(lit)
+        assertEquals(BigInteger("10958011617037158669"), lit.value)
+
+        application.pushToNeo4j(translationResult)
+    }
 }

cpg-neo4j/src/test/resources/very_long.cpp

@@ -0,0 +1 @@
+unsigned long long l = 10958011617037158669ull;