protected List<InputContext> getInputContexts(CtMethod method) {
List<InputContext> inputContexts = new ArrayList<>();
List<CtStatement> statements = getAssertStatement(method);
for (CtStatement stmt : statements) {
Set<CtVariableReference> varRefs = new HashSet<>();
for (CtLocalVariable var : getLocalVarInScope(stmt)) {
varRefs.add(method.getFactory().Code().createLocalVariableReference(var));
}
inputContexts.add(new InputContext(varRefs));
}
return inputContexts;
}
protected List<List<Statement>> buildStatements(InputContext inputContext) {
return coverageBycodeFragments
.keySet()
.stream()
.map(
cf -> {
List<Statement> list = new ArrayList<>(2);
list.add(cf.clone());
return list;
})
.flatMap(
list -> {
InputContext cloneInputContext = inputContext.clone();
return buildContext(cloneInputContext, list, list.size() - 1).stream();
})
.collect(Collectors.toList());
}
@Override
public List<CtMethod> apply(CtMethod method) {
currentMethod = method;
List<CtMethod> newMethods = new ArrayList<>();
if (!coverageBycodeFragments.isEmpty()) {
List<InputContext> inputContexts = getInputContexts(method);
if (!inputContexts.isEmpty()) {
int index = inputContexts.size() - 1;
List<List<Statement>> statements = buildStatements(inputContexts.get(index));
for (List<Statement> list : statements) {
try {
newMethods.add(apply(method, list, index));
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
}
return AmplificationHelper.updateAmpTestToParent(newMethods, method);
}
protected List<CtLocalVariable> getLocalVarInScope(CtStatement stmt) {
List<CtLocalVariable> vars = new ArrayList<>();
try {
CtBlock parentBlock = stmt.getParent(CtBlock.class);
if (parentBlock != null) {
boolean beforeCurrentStmt = true;
int i = 0;
List<CtStatement> stmts = parentBlock.getStatements();
while (beforeCurrentStmt && i < stmts.size()) {
CtStatement currentStatement = stmts.get(i);
i++;
beforeCurrentStmt = beforeCurrentStmt && currentStatement != stmt;
if (currentStatement instanceof CtLocalVariable) {
vars.add((CtLocalVariable) currentStatement);
}
}
vars.addAll(getLocalVarInScope(parentBlock));
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return vars;
}
