diff options
Diffstat (limited to 'src/test/run-make/coverage/simple_match.rs')
-rw-r--r-- | src/test/run-make/coverage/simple_match.rs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/test/run-make/coverage/simple_match.rs b/src/test/run-make/coverage/simple_match.rs new file mode 100644 index 000000000..be99e59a8 --- /dev/null +++ b/src/test/run-make/coverage/simple_match.rs @@ -0,0 +1,43 @@ +#![allow(unused_assignments, unused_variables)] + +fn main() { + // Initialize test constants in a way that cannot be determined at compile time, to ensure + // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from + // dependent conditions. + let is_true = std::env::args().len() == 1; + + let mut countdown = 1; + if is_true { + countdown = 0; + } + + for + _ + in + 0..2 + { + let z + ; + match + countdown + { + x + if + x + < + 1 + => + { + z = countdown + ; + let y = countdown + ; + countdown = 10 + ; + } + _ + => + {} + } + } +} |