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fix insertBefore #1130

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fix insertBefore #1130

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32 changes: 32 additions & 0 deletions sootup.core/src/test/java/sootup/core/graph/MutableBlockStmtGraphTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,10 +15,13 @@
import sootup.core.jimple.common.expr.JNeExpr;
import sootup.core.jimple.common.ref.JCaughtExceptionRef;
import sootup.core.jimple.common.stmt.*;
import sootup.core.model.Body;
import sootup.core.signatures.MethodSignature;
import sootup.core.signatures.PackageName;
import sootup.core.types.ClassType;
import sootup.core.types.PrimitiveType;
import sootup.core.types.UnknownType;
import sootup.core.util.ImmutableUtils;

@Tag("Java8")
public class MutableBlockStmtGraphTest {
Expand Down Expand Up @@ -1148,4 +1151,33 @@ public void testGetEntrypoints() {
assertTrue(entrypoints.contains(handlerStmt1));
assertTrue(entrypoints.contains(handlerStmt2));
}

@Test
public void testInsertBefore1(){

MutableBlockStmtGraph graph = new MutableBlockStmtGraph();

Local l0 = new Local("l0", PrimitiveType.IntType.getInstance());
Local l1 = new Local("l1", PrimitiveType.IntType.getInstance());
Local l2 = new Local("l2", PrimitiveType.IntType.getInstance());
StmtPositionInfo noPosInfo = StmtPositionInfo.getNoStmtPositionInfo();

JAssignStmt assignl0e1 = new JAssignStmt(l0, IntConstant.getInstance(1), noPosInfo);
JAssignStmt assignl1e1 = new JAssignStmt(l1, IntConstant.getInstance(2), noPosInfo);
JAssignStmt assignl2e0 = new JAssignStmt(l2, IntConstant.getInstance(0), noPosInfo);
JGotoStmt gotoStmt = new JGotoStmt(noPosInfo);

JReturnStmt returnl2 = new JReturnStmt(l2, noPosInfo);

graph.setStartingStmt(assignl0e1);
graph.putEdge(assignl0e1, assignl1e1);
graph.putEdge(assignl1e1, gotoStmt);
graph.putEdge(gotoStmt,JGotoStmt.BRANCH_IDX, assignl2e0);
graph.putEdge(assignl2e0, returnl2);

FallsThroughStmt nop = new JNopStmt(StmtPositionInfo.getNoStmtPositionInfo());
FallsThroughStmt nop2 = new JNopStmt(StmtPositionInfo.getNoStmtPositionInfo());
graph.insertBefore(assignl2e0, Arrays.asList(nop, nop2), Collections.emptyMap());
System.out.println(graph);
}
}
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