177 lines
2.8 KiB
Rust
177 lines
2.8 KiB
Rust
#![feature(custom_attribute)]
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#![allow(dead_code, unused_attributes)]
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#[miri_run(expected = "Int(1)")]
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fn ret() -> i32 {
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1
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}
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#[miri_run(expected = "Int(-1)")]
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fn neg() -> i32 {
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-1
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}
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#[miri_run(expected = "Int(3)")]
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fn add() -> i32 {
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1 + 2
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}
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#[miri_run(expected = "Int(3)")]
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fn indirect_add() -> i32 {
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let x = 1;
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let y = 2;
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x + y
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}
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#[miri_run(expected = "Int(25)")]
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fn arith() -> i32 {
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3*3 + 4*4
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}
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#[miri_run(expected = "Int(0)")]
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fn if_false() -> i32 {
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if false { 1 } else { 0 }
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}
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#[miri_run(expected = "Int(1)")]
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fn if_true() -> i32 {
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if true { 1 } else { 0 }
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}
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#[miri_run(expected = "Int(2)")]
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fn call() -> i32 {
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fn increment(x: i32) -> i32 {
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x + 1
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}
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increment(1)
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}
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#[miri_run(expected = "Int(3628800)")]
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fn factorial_loop() -> i32 {
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let mut product = 1;
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let mut i = 1;
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while i <= 10 {
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product *= i;
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i += 1;
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}
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product
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}
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#[miri_run(expected = "Int(3628800)")]
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fn factorial_recursive() -> i32 {
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fn fact(n: i32) -> i32 {
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if n == 0 {
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1
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} else {
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n * fact(n - 1)
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}
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}
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fact(10)
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}
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#[miri_run(expected = "Int(1)")]
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fn match_bool() -> i32 {
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let b = true;
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match b {
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true => 1,
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false => 0,
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}
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}
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#[miri_run(expected = "Int(20)")]
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fn match_int() -> i32 {
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let n = 2;
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match n {
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0 => 0,
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1 => 10,
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2 => 20,
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3 => 30,
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_ => 100,
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}
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}
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#[miri_run(expected = "Int(1)")]
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fn one_line_ref() -> i32 {
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*&1
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}
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#[miri_run(expected = "Int(1)")]
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fn basic_ref() -> i32 {
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let x = &1;
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*x
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}
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#[miri_run(expected = "Int(3)")]
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fn basic_ref_mut() -> i32 {
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let x = &mut 1;
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*x += 2;
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*x
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}
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#[miri_run(expected = "Int(3)")]
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fn basic_ref_mut_var() -> i32 {
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let mut a = 1;
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{
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let x = &mut a;
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*x += 2;
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}
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a
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}
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#[miri_run(expected = "Int(4)")]
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fn match_int_range() -> i32 {
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let n = 42;
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match n {
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0...9 => 0,
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10...19 => 1,
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20...29 => 2,
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30...39 => 3,
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40...49 => 4,
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_ => 5,
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}
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}
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enum MyOption<T> {
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Some { data: T },
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None,
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}
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#[miri_run(expected = "Int(13)")]
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fn match_my_opt_some() -> i32 {
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let x = MyOption::Some { data: 13 };
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match x {
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MyOption::Some { data } => data,
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MyOption::None => 42,
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}
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}
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#[miri_run(expected = "Int(42)")]
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fn match_my_opt_none() -> i32 {
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let x = MyOption::None;
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match x {
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MyOption::Some { data } => data,
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MyOption::None => 42,
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}
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}
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// #[miri_run(expected = "Int(13)")]
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// fn match_opt_some() -> i32 {
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// let x = Some(13);
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// match x {
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// Some(data) => data,
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// None => 42,
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// }
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// }
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/// Test calling a very simple function from the standard library.
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#[miri_run(expected = "Int(1)")]
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fn cross_crate_fn_call() -> i32 {
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if 1i32.is_positive() { 1 } else { 0 }
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}
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fn main() {}
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