142 lines
2.9 KiB
Rust
142 lines
2.9 KiB
Rust
#![warn(clippy::match_overlapping_arm)]
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#![allow(clippy::redundant_pattern_matching)]
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#![allow(clippy::if_same_then_else, clippy::equatable_if_let, clippy::needless_if)]
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/// Tests for match_overlapping_arm
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fn overlapping() {
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const FOO: u64 = 2;
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match 42 {
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0..=10 => println!("0..=10"),
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//~^ ERROR: some ranges overlap
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0..=11 => println!("0..=11"),
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_ => (),
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}
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match 42 {
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0..=5 => println!("0..=5"),
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//~^ ERROR: some ranges overlap
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6..=7 => println!("6..=7"),
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FOO..=11 => println!("FOO..=11"),
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_ => (),
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}
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match 42 {
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2 => println!("2"),
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0..=5 => println!("0..=5"),
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_ => (),
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}
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match 42 {
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2 => println!("2"),
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0..=2 => println!("0..=2"),
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_ => (),
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}
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match 42 {
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0..=10 => println!("0..=10"),
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11..=50 => println!("11..=50"),
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_ => (),
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}
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match 42 {
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2 => println!("2"),
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0..2 => println!("0..2"),
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_ => (),
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}
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match 42 {
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0..10 => println!("0..10"),
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10..50 => println!("10..50"),
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_ => (),
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}
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match 42 {
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0..11 => println!("0..11"),
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//~^ ERROR: some ranges overlap
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0..=11 => println!("0..=11"),
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_ => (),
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}
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match 42 {
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5..7 => println!("5..7"),
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0..10 => println!("0..10"),
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_ => (),
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}
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match 42 {
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5..10 => println!("5..10"),
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0..=10 => println!("0..=10"),
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_ => (),
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}
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match 42 {
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0..14 => println!("0..14"),
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5..10 => println!("5..10"),
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_ => (),
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}
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match 42 {
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5..14 => println!("5..14"),
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0..=10 => println!("0..=10"),
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//~^ ERROR: some ranges overlap
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_ => (),
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}
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match 42 {
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0..7 => println!("0..7"),
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//~^ ERROR: some ranges overlap
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0..=10 => println!("0..=10"),
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_ => (),
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}
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match 42 {
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3.. => println!("3.."),
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0.. => println!("0.."),
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_ => (),
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}
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match 42 {
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..=23 => println!("..=23"),
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//~^ ERROR: some ranges overlap
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..26 => println!("..26"),
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_ => (),
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}
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// Issue #7816 - overlap after included range
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match 42 {
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5..=10 => (),
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0..=20 => (),
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21..=30 => (),
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//~^ ERROR: some ranges overlap
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21..=40 => (),
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_ => (),
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}
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// Issue #7829
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match 0 {
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-1..=1 => (),
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-2..=2 => (),
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_ => (),
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}
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// Only warn about the first if there are multiple overlaps
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match 42u128 {
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0..=0x0000_0000_0000_00ff => (),
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//~^ ERROR: some ranges overlap
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0..=0x0000_0000_0000_ffff => (),
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0..=0x0000_0000_ffff_ffff => (),
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0..=0xffff_ffff_ffff_ffff => (),
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_ => (),
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}
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if let None = Some(42) {
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// nothing
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} else if let None = Some(42) {
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// another nothing :-)
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}
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}
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fn main() {}
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