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Diffstat (limited to 'tests/coverage/match_or_pattern.coverage')
| -rw-r--r-- | tests/coverage/match_or_pattern.coverage | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/tests/coverage/match_or_pattern.coverage b/tests/coverage/match_or_pattern.coverage new file mode 100644 index 00000000000..94c7967215c --- /dev/null +++ b/tests/coverage/match_or_pattern.coverage @@ -0,0 +1,48 @@ + LL| 1|fn main() { + LL| 1| // Initialize test constants in a way that cannot be determined at compile time, to ensure + LL| 1| // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from + LL| 1| // dependent conditions. + LL| 1| let is_true = std::env::args().len() == 1; + LL| 1| + LL| 1| let mut a: u8 = 0; + LL| 1| let mut b: u8 = 0; + LL| 1| if is_true { + LL| 1| a = 2; + LL| 1| b = 0; + LL| 1| } + ^0 + LL| 1| match (a, b) { + LL| | // Or patterns generate MIR `SwitchInt` with multiple targets to the same `BasicBlock`. + LL| | // This test confirms a fix for Issue #79569. + LL| 0| (0 | 1, 2 | 3) => {} + LL| 1| _ => {} + LL| | } + LL| 1| if is_true { + LL| 1| a = 0; + LL| 1| b = 0; + LL| 1| } + ^0 + LL| 1| match (a, b) { + LL| 0| (0 | 1, 2 | 3) => {} + LL| 1| _ => {} + LL| | } + LL| 1| if is_true { + LL| 1| a = 2; + LL| 1| b = 2; + LL| 1| } + ^0 + LL| 1| match (a, b) { + LL| 0| (0 | 1, 2 | 3) => {} + LL| 1| _ => {} + LL| | } + LL| 1| if is_true { + LL| 1| a = 0; + LL| 1| b = 2; + LL| 1| } + ^0 + LL| 1| match (a, b) { + LL| 1| (0 | 1, 2 | 3) => {} + LL| 0| _ => {} + LL| | } + LL| 1|} + |