Add additional mutatation to > (resp. <)

sourcefrog · Feb 17, 2025 · be96ac3 · be96ac3
1 parent 7e3fa09
commit be96ac3
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Showing 4 changed files with 13 additions and 4 deletions.
diff --git a/.idea/.gitignore b/.idea/.gitignore
diff --git a/src/mutant.rs b/src/mutant.rs
@@ -348,6 +348,7 @@ mod test {
                 "replace controlled_loop with ()",
                 "replace > with == in controlled_loop",
                 "replace > with < in controlled_loop",
+                "replace > with => in controlled_loop",
                 "replace * with + in controlled_loop",
                 "replace * with / in controlled_loop",
             ]

diff --git a/src/visit.rs b/src/visit.rs
@@ -540,8 +540,8 @@ impl<'ast> Visit<'ast> for DiscoveryVisitor<'_> {
             BinOp::Ne(_) => vec![quote! { == }],
             BinOp::And(_) => vec![quote! { || }],
             BinOp::Or(_) => vec![quote! { && }],
-            BinOp::Lt(_) => vec![quote! { == }, quote! {>}],
-            BinOp::Gt(_) => vec![quote! { == }, quote! {<}],
+            BinOp::Lt(_) => vec![quote! { == }, quote! {>}, quote! { <= }],
+            BinOp::Gt(_) => vec![quote! { == }, quote! {<}, quote! { => }],
             BinOp::Le(_) => vec![quote! {>}],
             BinOp::Ge(_) => vec![quote! {<}],
             BinOp::Add(_) => vec![quote! {-}, quote! {*}],

diff --git a/tests/snapshots/main__check_tree_with_mutants_skip.snap b/tests/snapshots/main__check_tree_with_mutants_skip.snap
@@ -2,12 +2,12 @@
 source: tests/main.rs
 expression: stdout
 ---
-Found 5 mutants to test
+Found 6 mutants to test
 ok       Unmutated baseline
 ok       src/lib.rs:15:5: replace controlled_loop with ()
 ok       src/lib.rs:21:28: replace > with == in controlled_loop
 ok       src/lib.rs:21:28: replace > with < in controlled_loop
 ok       src/lib.rs:21:53: replace * with + in controlled_loop
 ok       src/lib.rs:21:53: replace * with / in controlled_loop
-5 mutants tested: 5 succeeded
+6 mutants tested: 1 unviable, 5 succeeded