mirror of https://github.com/rust-lang/rust
68 lines
2.4 KiB
Plaintext
68 lines
2.4 KiB
Plaintext
LL| |#![allow(unused_assignments, unused_variables, while_true)]
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LL| |
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LL| |// This test confirms that (1) unexecuted infinite loops are handled correctly by the
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LL| |// InstrumentCoverage MIR pass; and (2) Counter Expressions that subtract from zero can be dropped.
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LL| |
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LL| |struct DebugTest;
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LL| |
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LL| |impl std::fmt::Debug for DebugTest {
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LL| 1| fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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LL| 1| if true {
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LL| 1| if false {
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LL| 0| while true {}
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LL| 1| }
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LL| 1| write!(f, "cool")?;
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^0
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LL| 0| } else {
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LL| 0| }
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LL| |
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LL| 11| for i in 0..10 {
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^10
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LL| 10| if true {
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LL| 10| if false {
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LL| 0| while true {}
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LL| 10| }
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LL| 10| write!(f, "cool")?;
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^0
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LL| 0| } else {
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LL| 0| }
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LL| | }
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LL| 1| Ok(())
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LL| 1| }
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LL| |}
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LL| |
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LL| |struct DisplayTest;
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LL| |
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LL| |impl std::fmt::Display for DisplayTest {
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LL| 1| fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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LL| 1| if false {
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LL| 0| } else {
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LL| 1| if false {
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LL| 0| while true {}
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LL| 1| }
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LL| 1| write!(f, "cool")?;
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^0
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LL| | }
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LL| 11| for i in 0..10 {
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^10
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LL| 10| if false {
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LL| 0| } else {
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LL| 10| if false {
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LL| 0| while true {}
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LL| 10| }
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LL| 10| write!(f, "cool")?;
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^0
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LL| | }
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LL| | }
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LL| 1| Ok(())
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LL| 1| }
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LL| |}
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LL| |
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LL| 1|fn main() {
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LL| 1| let debug_test = DebugTest;
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LL| 1| println!("{:?}", debug_test);
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LL| 1| let display_test = DisplayTest;
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LL| 1| println!("{}", display_test);
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LL| 1|}
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