blob: f3a343bcc1f425588ad28ff4a1e56cf52bc2f379 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#![allow(unused_assignments, unused_variables, while_true)]
// This test confirms that (1) unexecuted infinite loops are handled correctly by the
// InstrumentCoverage MIR pass; and (2) Counter Expressions that subtract from zero can be dropped.
struct DebugTest;
impl std::fmt::Debug for DebugTest {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
if true {
if false {
while true {}
}
write!(f, "cool")?;
} else {
}
for i in 0..10 {
if true {
if false {
while true {}
}
write!(f, "cool")?;
} else {
}
}
Ok(())
}
}
struct DisplayTest;
impl std::fmt::Display for DisplayTest {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
if false {
} else {
if false {
while true {}
}
write!(f, "cool")?;
}
for i in 0..10 {
if false {
} else {
if false {
while true {}
}
write!(f, "cool")?;
}
}
Ok(())
}
}
fn main() {
let debug_test = DebugTest;
println!("{:?}", debug_test);
let display_test = DisplayTest;
println!("{}", display_test);
}
|
