@Test
public void analyzingLambdaClosingOverEffectivelyFinalArgument() throws Exception {
class C {
void m(int i) {
λ(i);
}
}
LambdaAnalyzer lambda = lambdaIn(C.class);
assertEquals(1, lambda.locals.size());
assertTrue(lambda.getMutableLocals().isEmpty());
assertEquals(list("i"), list(lambda.locals.keySet()));
assertEquals(INT_TYPE, lambda.getLocalVariableType("i"));
}
@Test
public void analyzingLambdaClosingOverVariableInitialziedInLambda() throws Exception {
class C {
void m() {
int i;
λ(i = 2);
}
}
LambdaAnalyzer lambda = lambdaIn(C.class);
assertEquals(1, lambda.locals.size());
assertEquals(1, lambda.getMutableLocals().size());
assertEquals(list("i"), list(lambda.getMutableLocals().keySet()));
assertEquals(INT_TYPE, lambda.getLocalVariableType("i"));
}
@Test
public void analyzingLambdaClosingOverIncreasedVariableOutsideLambda() throws Exception {
class C {
void m() {
int i = 1;
λ(i++);
}
}
LambdaAnalyzer lambda = lambdaIn(C.class);
assertEquals(1, lambda.locals.size());
assertEquals(1, lambda.getMutableLocals().size());
assertEquals(list("i"), list(lambda.getMutableLocals().keySet()));
assertEquals(INT_TYPE, lambda.getLocalVariableType("i"));
}
@Test
public void analyzingLambdaClosingOverMutableArgument() throws Exception {
class C {
void m(int i) {
i = 2;
i = 4;
λ(i);
}
}
LambdaAnalyzer lambda = lambdaIn(C.class);
assertEquals(1, lambda.locals.size());
assertEquals(1, lambda.getMutableLocals().size());
assertEquals(list("i"), list(lambda.getMutableLocals().keySet()));
assertEquals(INT_TYPE, lambda.getLocalVariableType("i"));
}