// getControlFlowGraph generates and returns the control-flow graph based on the array of basic blocks.
func getControlFlowGraph(basicBlocks []*bblock.BasicBlock) *ControlFlowGraph {
controlFlowGraph := New()
var lastBlockAdded *bblock.BasicBlock
startNode := &graph.Node{Value: bblock.NewBasicBlock(-1, bblock.START, 0)}
exitNode := &graph.Node{Value: bblock.NewBasicBlock(-1, bblock.EXIT, 0)}
for _, basicBlock := range basicBlocks {
lastBlockAdded = basicBlock
basicBlockNode := &graph.Node{Value: basicBlock}
controlFlowGraph.InsertNode(basicBlockNode)
if basicBlock.Type == bblock.RETURN_STMT {
// RETURN_STMT terminates functior and methods, should therefor always have a edge to EXIT.
controlFlowGraph.InsertEdge(&graph.Node{Value: basicBlock}, exitNode)
}
for _, successorBlock := range basicBlock.GetSuccessorBlocks() {
controlFlowGraph.InsertEdge(basicBlockNode, &graph.Node{Value: successorBlock})
lastBlockAdded = successorBlock
}
}
controlFlowGraph.InsertEdge(startNode, controlFlowGraph.Root)
if lastBlockAdded.Type != bblock.RETURN_STMT {
// Edge between RETURN_STMT and EXIT is already added higher up!
controlFlowGraph.InsertEdge(&graph.Node{Value: lastBlockAdded}, exitNode)
}
controlFlowGraph.InsertEdge(exitNode, startNode)
return controlFlowGraph
}
func TestLooperBasicBlock(t *testing.T) {
filePath := "./testcode/_looper.go"
srcFile, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatal(err)
}
expectedBasicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, srcFile)
if err != nil {
t.Fatal(err)
}
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 8)
BB1 := bblock.NewBasicBlock(1, bblock.FOR_STATEMENT, 11)
BB2 := bblock.NewBasicBlock(2, bblock.FOR_BODY, 14)
BB3 := bblock.NewBasicBlock(3, bblock.RETURN_STMT, 16)
BB0.AddSuccessorBlock(BB1)
BB1.AddSuccessorBlock(BB2, BB3)
BB2.AddSuccessorBlock(BB1)
correctBasicBlocks := []*bblock.BasicBlock{
BB0, BB1, BB2, BB3,
}
if err := verifyBasicBlocks(expectedBasicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
}
func TestIfElseBasicBlock(t *testing.T) {
filePath := "./testcode/_ifelse.go"
srcFile, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatal(err)
}
expectedBasicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, srcFile)
if err != nil {
t.Fatal(err)
}
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 8)
BB1 := bblock.NewBasicBlock(1, bblock.IF_CONDITION, 13)
BB2 := bblock.NewBasicBlock(2, bblock.ELSE_CONDITION, 16)
BB3 := bblock.NewBasicBlock(3, bblock.ELSE_BODY, 20)
BB4 := bblock.NewBasicBlock(4, bblock.RETURN_STMT, 24)
BB0.AddSuccessorBlock(BB1)
BB1.AddSuccessorBlock(BB2, BB3)
BB2.AddSuccessorBlock(BB4)
BB3.AddSuccessorBlock(BB4)
correctBasicBlocks := []*bblock.BasicBlock{
BB0, BB1, BB2, BB3, BB4,
}
if err := verifyBasicBlocks(expectedBasicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
}
func TestSelectBasicBlock(t *testing.T) {
filePath := "./testcode/_select.go"
srcFile, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatal(err)
}
expectedBasicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, srcFile)
if err != nil {
t.Fatal(err)
}
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 12)
BB1 := bblock.NewBasicBlock(1, bblock.GO_STATEMENT, 16)
BB2 := bblock.NewBasicBlock(2, bblock.FOR_STATEMENT, 24)
BB3 := bblock.NewBasicBlock(3, bblock.SELECT_STATEMENT, 26)
BB4 := bblock.NewBasicBlock(4, bblock.COMM_CLAUSE, 28)
BB5 := bblock.NewBasicBlock(5, bblock.RETURN_STMT, 31)
BB6 := bblock.NewBasicBlock(6, bblock.RETURN_STMT, 34)
BB0.AddSuccessorBlock(BB1)
BB1.AddSuccessorBlock(BB2)
BB2.AddSuccessorBlock(BB3, BB6)
BB3.AddSuccessorBlock(BB2, BB4, BB5)
BB4.AddSuccessorBlock(BB2)
correctBasicBlocks := []*bblock.BasicBlock{
BB0, BB1, BB2, BB3, BB4, BB5, BB6,
}
if err := verifyBasicBlocks(expectedBasicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
}
func TestSimpleSwitchBasicBlock(t *testing.T) {
filePath := "./testcode/_simpleswitch.go"
srcFile, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatal(err)
}
expectedBasicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, srcFile)
if err != nil {
t.Fatal(err)
}
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 8)
BB1 := bblock.NewBasicBlock(1, bblock.SWITCH_STATEMENT, 12)
BB2 := bblock.NewBasicBlock(2, bblock.CASE_CLAUSE, 15)
BB3 := bblock.NewBasicBlock(3, bblock.CASE_CLAUSE, 17)
BB4 := bblock.NewBasicBlock(4, bblock.CASE_CLAUSE, 19)
BB5 := bblock.NewBasicBlock(5, bblock.CASE_CLAUSE, 21)
BB6 := bblock.NewBasicBlock(6, bblock.RETURN_STMT, 23)
BB0.AddSuccessorBlock(BB1)
BB1.AddSuccessorBlock(BB2, BB3, BB4, BB5, BB6)
BB2.AddSuccessorBlock(BB6)
BB3.AddSuccessorBlock(BB6)
BB4.AddSuccessorBlock(BB6)
BB5.AddSuccessorBlock(BB6)
correctBasicBlocks := []*bblock.BasicBlock{
BB0, BB1, BB2, BB3, BB4, BB5, BB6,
}
if err := verifyBasicBlocks(expectedBasicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
}
func TestGreatestCommonDivisor(t *testing.T) {
filePath := "./testcode/_gcd.go"
srcFile, err := ioutil.ReadFile("./testcode/_gcd.go")
if err != nil {
t.Fatal(err)
}
expectedBasicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, srcFile)
if err != nil {
t.Fatal(err)
}
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 8)
BB1 := bblock.NewBasicBlock(1, bblock.RETURN_STMT, 12)
BB2 := bblock.NewBasicBlock(2, bblock.FUNCTION_ENTRY, 14)
BB3 := bblock.NewBasicBlock(3, bblock.FOR_STATEMENT, 16)
BB4 := bblock.NewBasicBlock(4, bblock.FOR_BODY, 19)
BB5 := bblock.NewBasicBlock(5, bblock.RETURN_STMT, 20)
BB0.AddSuccessorBlock(BB1)
BB2.AddSuccessorBlock(BB3)
BB3.AddSuccessorBlock(BB4)
BB3.AddSuccessorBlock(BB5)
BB4.AddSuccessorBlock(BB3)
correctBasicBlocks := []*bblock.BasicBlock{
BB0, BB1, BB2, BB3, BB4, BB5,
}
if err := verifyBasicBlocks(expectedBasicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
}
func TestSingleBasicBlock(t *testing.T) {
filePath := "./testcode/_simple.go"
sourceFile, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatal(err)
}
expectedBasicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, sourceFile)
if err != nil {
t.Fatal(err)
}
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 8)
BB1 := bblock.NewBasicBlock(1, bblock.RETURN_STMT, 11)
BB0.AddSuccessorBlock(BB1)
correctBasicBlocks := []*bblock.BasicBlock{BB0, BB1}
if err := verifyBasicBlocks(expectedBasicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
}
func TestSimpleControlFlowGraph(t *testing.T) {
filePath := "./testcode/_simple.go"
sourceFile, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatal(err)
}
basicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, sourceFile)
if err != nil {
t.Fatal(err)
}
expectedGraph := cfgraph.GetControlFlowGraph(basicBlocks)
correctGraph := graph.NewGraph()
START := bblock.NewBasicBlock(-1, bblock.START, 0)
EXIT := bblock.NewBasicBlock(-1, bblock.EXIT, 0)
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 8)
BB1 := bblock.NewBasicBlock(1, bblock.RETURN_STMT, 11)
BB0.AddSuccessorBlock(BB1)
correctBasicBlocks := []*bblock.BasicBlock{BB0, BB1}
//Test basic-blocks.
if err := VerifyBasicBlocks(basicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
correctGraph.InsertEdge(&graph.Node{Value: START}, &graph.Node{Value: BB0})
correctGraph.InsertEdge(&graph.Node{Value: BB0}, &graph.Node{Value: BB1})
correctGraph.InsertEdge(&graph.Node{Value: BB1}, &graph.Node{Value: EXIT})
correctGraph.InsertEdge(&graph.Node{Value: EXIT}, &graph.Node{Value: START})
if err := VerifyControlFlowGraphs(expectedGraph[0], correctGraph); err != nil {
t.Fatal(err)
}
}
func TestIfElseControlFlowGraph(t *testing.T) {
filePath := "./testcode/_ifelse.go"
sourceFile, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatal(err)
}
basicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, sourceFile)
if err != nil {
t.Fatal(err)
}
expectedGraph := cfgraph.GetControlFlowGraph(basicBlocks)
correctGraph := graph.NewGraph()
START := bblock.NewBasicBlock(-1, bblock.START, 0)
EXIT := bblock.NewBasicBlock(-1, bblock.EXIT, 0)
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 8)
BB1 := bblock.NewBasicBlock(1, bblock.IF_CONDITION, 13)
BB2 := bblock.NewBasicBlock(2, bblock.ELSE_CONDITION, 16)
BB3 := bblock.NewBasicBlock(3, bblock.ELSE_BODY, 20)
BB4 := bblock.NewBasicBlock(4, bblock.RETURN_STMT, 23)
BB0.AddSuccessorBlock(BB1)
BB1.AddSuccessorBlock(BB2, BB3)
BB2.AddSuccessorBlock(BB4)
BB3.AddSuccessorBlock(BB4)
correctBasicBlocks := []*bblock.BasicBlock{BB0, BB1, BB2, BB3, BB4}
//Test basic-blocks.
if err := VerifyBasicBlocks(basicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
correctGraph.InsertEdge(&graph.Node{Value: START}, &graph.Node{Value: BB0})
correctGraph.InsertEdge(&graph.Node{Value: BB0}, &graph.Node{Value: BB1})
correctGraph.InsertEdge(&graph.Node{Value: BB1}, &graph.Node{Value: BB2})
correctGraph.InsertEdge(&graph.Node{Value: BB1}, &graph.Node{Value: BB3})
correctGraph.InsertEdge(&graph.Node{Value: BB2}, &graph.Node{Value: BB4})
correctGraph.InsertEdge(&graph.Node{Value: BB3}, &graph.Node{Value: BB4})
correctGraph.InsertEdge(&graph.Node{Value: BB4}, &graph.Node{Value: EXIT})
correctGraph.InsertEdge(&graph.Node{Value: EXIT}, &graph.Node{Value: START})
if err := VerifyControlFlowGraphs(expectedGraph[0], correctGraph); err != nil {
t.Fatal(err)
}
}
func TestNestedIfElseBasicBlock(t *testing.T) {
filePath := "./testcode/_nestedifelse.go"
srcFile, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatal(err)
}
expectedBasicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, srcFile)
if err != nil {
t.Fatal(err)
}
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 11)
BB1 := bblock.NewBasicBlock(1, bblock.IF_CONDITION, 14)
BB2 := bblock.NewBasicBlock(2, bblock.IF_CONDITION, 18)
BB3 := bblock.NewBasicBlock(3, bblock.ELSE_CONDITION, 21)
BB4 := bblock.NewBasicBlock(4, bblock.ELSE_BODY, 25)
BB5 := bblock.NewBasicBlock(5, bblock.ELSE_CONDITION, 26)
BB6 := bblock.NewBasicBlock(6, bblock.ELSE_BODY, 30)
BB7 := bblock.NewBasicBlock(7, bblock.RETURN_STMT, 34)
BB0.AddSuccessorBlock(BB1)
BB1.AddSuccessorBlock(BB2, BB6)
BB2.AddSuccessorBlock(BB3, BB4)
BB3.AddSuccessorBlock(BB7)
BB4.AddSuccessorBlock(BB7)
BB5.AddSuccessorBlock(BB7)
BB6.AddSuccessorBlock(BB7)
correctBasicBlocks := []*bblock.BasicBlock{
BB0, BB1, BB2, BB3, BB4, BB5, BB6, BB7,
}
if err := verifyBasicBlocks(expectedBasicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
}
func TestNestedSwitchBasicBlock(t *testing.T) {
filePath := "./testcode/_nestedswitch.go"
srcFile, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatal(err)
}
expectedBasicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, srcFile)
if err != nil {
t.Fatal(err)
}
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 12)
BB1 := bblock.NewBasicBlock(1, bblock.SWITCH_STATEMENT, 17)
BB2 := bblock.NewBasicBlock(2, bblock.CASE_CLAUSE, 20)
BB3 := bblock.NewBasicBlock(3, bblock.SWITCH_STATEMENT, 23)
BB4 := bblock.NewBasicBlock(4, bblock.CASE_CLAUSE, 26)
BB5 := bblock.NewBasicBlock(5, bblock.CASE_CLAUSE, 28)
BB6 := bblock.NewBasicBlock(6, bblock.CASE_CLAUSE, 30)
BB7 := bblock.NewBasicBlock(7, bblock.CASE_CLAUSE, 33)
BB8 := bblock.NewBasicBlock(8, bblock.CASE_CLAUSE, 35)
BB9 := bblock.NewBasicBlock(9, bblock.CASE_CLAUSE, 37)
BB10 := bblock.NewBasicBlock(10, bblock.RETURN_STMT, 39)
correctBasicBlocks := []*bblock.BasicBlock{
BB0, BB1, BB2, BB3, BB4, BB5, BB6, BB7, BB8, BB9, BB10,
}
BB0.AddSuccessorBlock(BB1)
BB1.AddSuccessorBlock(BB2, BB3, BB7, BB8, BB9, BB10)
BB2.AddSuccessorBlock(BB10)
BB3.AddSuccessorBlock(BB4, BB5, BB6, BB10)
BB4.AddSuccessorBlock(BB10)
BB5.AddSuccessorBlock(BB10)
BB6.AddSuccessorBlock(BB10)
BB7.AddSuccessorBlock(BB10)
BB8.AddSuccessorBlock(BB10)
BB9.AddSuccessorBlock(BB10)
if err := verifyBasicBlocks(expectedBasicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
}
func TestReturnSwitcherBasicBlock(t *testing.T) {
filePath := "./testcode/_returnswitcher.go"
srcFile, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatal(err)
}
expectedBasicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, srcFile)
if err != nil {
t.Fatal(err)
}
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 8)
BB1 := bblock.NewBasicBlock(1, bblock.RETURN_STMT, 12)
BB2 := bblock.NewBasicBlock(2, bblock.FUNCTION_ENTRY, 14)
BB3 := bblock.NewBasicBlock(3, bblock.SWITCH_STATEMENT, 16)
BB4 := bblock.NewBasicBlock(4, bblock.RETURN_STMT, 18)
BB5 := bblock.NewBasicBlock(5, bblock.RETURN_STMT, 20)
BB6 := bblock.NewBasicBlock(6, bblock.RETURN_STMT, 22)
BB7 := bblock.NewBasicBlock(7, bblock.RETURN_STMT, 24)
BB8 := bblock.NewBasicBlock(8, bblock.RETURN_STMT, 26)
BB9 := bblock.NewBasicBlock(9, bblock.RETURN_STMT, 28)
BB10 := bblock.NewBasicBlock(10, bblock.RETURN_STMT, 30)
BB11 := bblock.NewBasicBlock(11, bblock.RETURN_STMT, 32)
BB12 := bblock.NewBasicBlock(12, bblock.RETURN_STMT, 34)
BB13 := bblock.NewBasicBlock(13, bblock.RETURN_STMT, 36)
BB14 := bblock.NewBasicBlock(14, bblock.RETURN_STMT, 38)
BB15 := bblock.NewBasicBlock(15, bblock.RETURN_STMT, 40)
BB16 := bblock.NewBasicBlock(16, bblock.RETURN_STMT, 42)
// Function main.
BB0.AddSuccessorBlock(BB1)
// Function monthNumberToString.
BB2.AddSuccessorBlock(BB3)
BB3.AddSuccessorBlock(BB4, BB5, BB6, BB7, BB8, BB9, BB10, BB11, BB12, BB13, BB14, BB15, BB16)
correctBasicBlocks := []*bblock.BasicBlock{
BB0, BB1, BB2, BB3, BB4, BB5, BB6, BB7, BB8, BB9, BB10, BB11, BB12, BB13, BB14, BB15, BB16,
}
if err := verifyBasicBlocks(expectedBasicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
}
func TestGreatestCommonDivisorControlFlowGraph(t *testing.T) {
filePath := "./testcode/_gcd.go"
sourceFile, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatal(err)
}
basicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, sourceFile)
if err != nil {
t.Fatal(err)
}
expectedGraphs := cfgraph.GetControlFlowGraph(basicBlocks)
correctGraph := []*graph.Graph{
graph.NewGraph(), // func 'gcd'
graph.NewGraph(), // func 'main'
}
// Function 'gcd'
START0 := bblock.NewBasicBlock(-1, bblock.START, 0)
EXIT0 := bblock.NewBasicBlock(-1, bblock.EXIT, 0)
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 8)
BB1 := bblock.NewBasicBlock(1, bblock.FOR_STATEMENT, 10)
BB2 := bblock.NewBasicBlock(2, bblock.FOR_BODY, 13)
BB3 := bblock.NewBasicBlock(3, bblock.RETURN_STMT, 14)
// Function 'main'
START1 := bblock.NewBasicBlock(-1, bblock.START, 0)
EXIT1 := bblock.NewBasicBlock(-1, bblock.EXIT, 0)
BB4 := bblock.NewBasicBlock(4, bblock.FUNCTION_ENTRY, 17)
BB5 := bblock.NewBasicBlock(5, bblock.RETURN_STMT, 21)
BB0.AddSuccessorBlock(BB1)
BB1.AddSuccessorBlock(BB2, BB3)
BB2.AddSuccessorBlock(BB1)
BB4.AddSuccessorBlock(BB5)
correctBasicBlocks := []*bblock.BasicBlock{BB0, BB1, BB2, BB3, BB4, BB5}
// Function 'gcd'
correctGraph[0].InsertEdge(&graph.Node{Value: START0}, &graph.Node{Value: BB0})
correctGraph[0].InsertEdge(&graph.Node{Value: BB0}, &graph.Node{Value: BB1})
correctGraph[0].InsertEdge(&graph.Node{Value: BB1}, &graph.Node{Value: BB2})
correctGraph[0].InsertEdge(&graph.Node{Value: BB2}, &graph.Node{Value: BB1})
correctGraph[0].InsertEdge(&graph.Node{Value: BB1}, &graph.Node{Value: BB3})
correctGraph[0].InsertEdge(&graph.Node{Value: BB3}, &graph.Node{Value: EXIT0})
correctGraph[0].InsertEdge(&graph.Node{Value: EXIT0}, &graph.Node{Value: START0})
// Function 'main'
correctGraph[1].InsertEdge(&graph.Node{Value: START1}, &graph.Node{Value: BB4})
correctGraph[1].InsertEdge(&graph.Node{Value: BB4}, &graph.Node{Value: BB5})
correctGraph[1].InsertEdge(&graph.Node{Value: BB5}, &graph.Node{Value: EXIT1})
correctGraph[1].InsertEdge(&graph.Node{Value: EXIT1}, &graph.Node{Value: START1})
// Test basic-blocks.
if err := VerifyBasicBlocks(basicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
// Test control-flow graph.
if err := VerifyControlFlowGraphs(expectedGraphs[0], correctGraph[0]); err != nil {
t.Fatal(err)
}
if err := VerifyControlFlowGraphs(expectedGraphs[1], correctGraph[1]); err != nil {
t.Fatal(err)
}
}
func TestSwitchControlFlowGraph(t *testing.T) {
filePath := "./testcode/_switcher.go"
sourceFile, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatal(err)
}
basicBlocks, err := bblock.GetBasicBlocksFromSourceCode(filePath, sourceFile)
if err != nil {
t.Fatal(err)
}
expectedGraphs := cfgraph.GetControlFlowGraph(basicBlocks)
correctGraph := []*graph.Graph{
graph.NewGraph(), // func 'main'
graph.NewGraph(), // func 'integerToString'
}
START := bblock.NewBasicBlock(-1, bblock.START, 0)
EXIT := bblock.NewBasicBlock(-1, bblock.EXIT, 0)
// Function 'main'
BB0 := bblock.NewBasicBlock(0, bblock.FUNCTION_ENTRY, 8)
BB1 := bblock.NewBasicBlock(1, bblock.RETURN_STMT, 11)
// Function 'integerToString'
BB2 := bblock.NewBasicBlock(2, bblock.FUNCTION_ENTRY, 13)
BB3 := bblock.NewBasicBlock(3, bblock.SWITCH_STATEMENT, 14)
BB4 := bblock.NewBasicBlock(4, bblock.RETURN_STMT, 16)
BB5 := bblock.NewBasicBlock(5, bblock.RETURN_STMT, 18)
BB6 := bblock.NewBasicBlock(6, bblock.RETURN_STMT, 20)
BB7 := bblock.NewBasicBlock(7, bblock.RETURN_STMT, 22)
BB8 := bblock.NewBasicBlock(8, bblock.RETURN_STMT, 24)
BB0.AddSuccessorBlock(BB1)
BB2.AddSuccessorBlock(BB3)
BB3.AddSuccessorBlock(BB4, BB5, BB6, BB7, BB8)
correctBasicBlocks := []*bblock.BasicBlock{BB0, BB1, BB2, BB3, BB4, BB5, BB6, BB7, BB8}
//Test basic-blocks.
if err := VerifyBasicBlocks(basicBlocks, correctBasicBlocks); err != nil {
t.Fatal(err)
}
// Control flow graph for function 'main'.
correctGraph[0].InsertEdge(&graph.Node{Value: START}, &graph.Node{Value: BB0})
correctGraph[0].InsertEdge(&graph.Node{Value: BB0}, &graph.Node{Value: BB1})
correctGraph[0].InsertEdge(&graph.Node{Value: BB1}, &graph.Node{Value: EXIT})
correctGraph[0].InsertEdge(&graph.Node{Value: EXIT}, &graph.Node{Value: START})
// Control flow graph for function 'integerToString'.
correctGraph[1].InsertEdge(&graph.Node{Value: START}, &graph.Node{Value: BB2})
correctGraph[1].InsertEdge(&graph.Node{Value: BB2}, &graph.Node{Value: BB3})
correctGraph[1].InsertEdge(&graph.Node{Value: BB3}, &graph.Node{Value: BB4})
correctGraph[1].InsertEdge(&graph.Node{Value: BB3}, &graph.Node{Value: BB5})
correctGraph[1].InsertEdge(&graph.Node{Value: BB3}, &graph.Node{Value: BB6})
correctGraph[1].InsertEdge(&graph.Node{Value: BB3}, &graph.Node{Value: BB7})
correctGraph[1].InsertEdge(&graph.Node{Value: BB3}, &graph.Node{Value: BB8})
correctGraph[1].InsertEdge(&graph.Node{Value: BB4}, &graph.Node{Value: EXIT})
correctGraph[1].InsertEdge(&graph.Node{Value: BB5}, &graph.Node{Value: EXIT})
correctGraph[1].InsertEdge(&graph.Node{Value: BB6}, &graph.Node{Value: EXIT})
correctGraph[1].InsertEdge(&graph.Node{Value: BB7}, &graph.Node{Value: EXIT})
correctGraph[1].InsertEdge(&graph.Node{Value: BB8}, &graph.Node{Value: EXIT})
correctGraph[1].InsertEdge(&graph.Node{Value: EXIT}, &graph.Node{Value: START})
if err := VerifyControlFlowGraphs(expectedGraphs[0], correctGraph[0]); err != nil {
t.Fatal(err)
}
if err := VerifyControlFlowGraphs(expectedGraphs[1], correctGraph[1]); err != nil {
t.Fatal(err)
}
}