public final void testTrueNegationSimplification() {
True trueExp = new True();
trueExp.type = BooleanType.instance;
Not not = new Not(trueExp);
not.type = BooleanType.instance;
expressionSimplificationTester(not, False.class, BooleanType.instance, 0, false);
}
public final void testFalseNegationSimplification() {
False falseExp = new False();
falseExp.type = BooleanType.instance;
Not not = new Not(falseExp);
not.type = BooleanType.instance;
expressionSimplificationTester(not, True.class, BooleanType.instance, 0, false);
}
public final void testEvenConstantNegationSimplification() {
False falseExp = new False();
falseExp.type = BooleanType.instance;
Not not1 = new Not(falseExp);
not1.type = BooleanType.instance;
Not not2 = new Not(not1);
not2.type = BooleanType.instance;
expressionSimplificationTester(not2, False.class, BooleanType.instance, 0, false);
}
public final void testEvenExpressionNegationSimplification() {
MethodAccess callExp = new MethodAccess();
callExp.expression = new This();
callExp.type = BooleanType.instance;
Not not1 = new Not(callExp);
not1.type = BooleanType.instance;
Not not2 = new Not(not1);
not2.type = BooleanType.instance;
expressionSimplificationTester(not2, MethodAccess.class, BooleanType.instance, 0, false);
}
public final void testOddExpressionNegationSimplification() {
MethodAccess callExp = new MethodAccess();
callExp.expression = new This();
callExp.type = BooleanType.instance;
Not not1 = new Not(callExp);
not1.type = BooleanType.instance;
Not not2 = new Not(not1);
not2.type = BooleanType.instance;
Not not3 = new Not(not2);
not3.type = BooleanType.instance;
Expression resultExp =
expressionSimplificationTester(not3, Not.class, BooleanType.instance, 0, false);
assertEquals(((Not) resultExp).expression.getClass(), MethodAccess.class);
}