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#![allow(dead_code)]
mod test_lazy_block_in_eager_is_lazy {
use eager2::eager;
/*
Tests that a non-eager!-enabled macro can be used inside a 'lazy!' block
*/
macro_rules! lazy_macro {
() => {
1 + 1
};
}
#[test]
fn test() {
let x = eager! {
lazy!{
lazy_macro!{}
}
};
assert_eq!(2, x);
}
}
mod test_lazy_block_without_eager {
use eager2::lazy;
/*
Tests that can invoke `lazy!` without `eager!`.
*/
macro_rules! lazy_macro {
() => {
1 + 1
};
}
#[test]
fn test() {
let x = lazy! {
lazy_macro!{}
};
assert_eq!(2, x);
}
}
mod test_multiple_lazy_blocks {
use eager2::eager;
/*
Tests that can use multiple lazy blocks in eager.
*/
macro_rules! lazy_macro {
() => {
1
};
}
#[test]
fn test() {
let x = eager! {
lazy!{lazy_macro!{}}
+
lazy!{lazy_macro!{}}
+
lazy!{lazy_macro!{}}
};
assert_eq!(3, x);
}
}
mod test_nested_lazy {
use eager2::eager;
/*
Tests that a lazy blocks can be nested without having an effect.
*/
macro_rules! lazy_macro {
() => {
1 + 1
};
}
#[test]
fn test() {
let x = eager! {
lazy!{
lazy!{
lazy!{
lazy_macro!{}
}
}
}
};
assert_eq!(2, x);
}
}
mod test_eager_in_lazy {
use eager2::{eager, eager_macro_rules};
/*
Tests that an eager block can be inserted in a lazy block, and the it is eagerly expanded.
*/
eager_macro_rules! { $eager_1
macro_rules! eager_macro{
()=> {success}
}
}
macro_rules! lazy_macro {
(success) => {
1
};
}
#[test]
fn test() {
let x = eager! {
lazy!{
lazy_macro!{
eager!{
eager_macro!{}
}
}
}
};
assert_eq!(1, x);
}
}
mod test_deep_nested_eager_and_lazy {
use eager2::{eager, eager_macro_rules};
/*
Tests that eager and lazy blocks can be deeply nested
*/
eager_macro_rules! { $eager_1
macro_rules! eager_macro{
()=> {1}
}
}
macro_rules! lazy_macro {
// We use the rule grammar to confirm lazy/eager expansions of the test
(1 uncallable_macro !{} 1) => {
1
};
}
#[test]
fn test() {
let x = eager! {
lazy!{
lazy_macro!{
eager!{
eager_macro!{}
lazy!{
uncallable_macro!{} // Shouldn't be called, since its in lazy mode
eager!{eager_macro!{}}
}
}
}
}
};
assert_eq!(1, x);
}
}
// Same tests as above, but with the '()' block type
mod paren_test_lazy_block_in_eager_is_lazy {
use eager2::eager;
/*
Tests that a non-eager!-enabled macro can be used inside a 'lazy!' block
*/
macro_rules! lazy_macro {
() => {
1 + 1
};
}
#[test]
fn test() {
let x = eager! {
lazy!(
lazy_macro!()
)
};
assert_eq!(2, x);
}
}
mod paren_test_lazy_block_without_eager {
use eager2::lazy;
/*
Tests that can invoke `lazy!` without `eager!`.
*/
macro_rules! lazy_macro {
() => {
1 + 1
};
}
#[test]
fn test() {
let x = lazy! {
lazy_macro!()
};
assert_eq!(2, x);
}
}
mod paren_test_multiple_lazy_blocks {
use eager2::eager;
/*
Tests that can use multiple lazy blocks in eager.
*/
macro_rules! lazy_macro {
() => {
1
};
}
#[test]
fn test() {
let x = eager! {
lazy!(lazy_macro!())
+
lazy!(lazy_macro!())
+
lazy!(lazy_macro!())
};
assert_eq!(3, x);
}
}
mod paren_test_nested_lazy {
use eager2::eager;
/*
Tests that a lazy blocks can be nested without having an effect.
*/
macro_rules! lazy_macro {
() => {
1 + 1
};
}
#[test]
fn test() {
let x = eager! {
lazy!(
lazy!(
lazy!(
lazy_macro!()
)
)
)
};
assert_eq!(2, x);
}
}
mod paren_test_eager_in_lazy {
use eager2::{eager, eager_macro_rules};
/*
Tests that an eager block can be inserted in a lazy block, and the it is eagerly expanded.
*/
eager_macro_rules! { $eager_1
macro_rules! eager_macro{
()=> {success}
}
}
macro_rules! lazy_macro {
(success) => {
1
};
}
#[test]
fn test() {
let x = eager! {
lazy!(
lazy_macro!(
eager!(
eager_macro!()
)
)
)
};
assert_eq!(1, x);
}
}
mod paren_test_deep_nested_eager_and_lazy {
use eager2::{eager, eager_macro_rules};
/*
Tests that eager and lazy blocks can be deeply nested
*/
eager_macro_rules! { $eager_1
macro_rules! eager_macro{
()=> {1}
}
}
macro_rules! lazy_macro {
// We use the rule grammar to confirm lazy/eager expansions of the test
(1 uncallable_macro !() 1) => {
1
};
}
#[test]
fn test() {
let x = eager! {
lazy!(
lazy_macro!(
eager!(
eager_macro!()
lazy!(
uncallable_macro!() // Shouldn't be called, since its in lazy mode
eager!(eager_macro!())
)
)
)
)
};
assert_eq!(1, x);
}
}