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-rw-r--r--src/tools/clippy/tests/ui-toml/duplicated_keys_deprecated/clippy.toml3
-rw-r--r--src/tools/clippy/tests/ui-toml/duplicated_keys_deprecated/duplicated_keys.rs1
-rw-r--r--src/tools/clippy/tests/ui-toml/duplicated_keys_deprecated/duplicated_keys.stderr14
3 files changed, 18 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui-toml/duplicated_keys_deprecated/clippy.toml b/src/tools/clippy/tests/ui-toml/duplicated_keys_deprecated/clippy.toml
new file mode 100644
index 000000000..7932c43eb
--- /dev/null
+++ b/src/tools/clippy/tests/ui-toml/duplicated_keys_deprecated/clippy.toml
@@ -0,0 +1,3 @@
+cognitive-complexity-threshold = 2
+# This is the deprecated name for the same key
+cyclomatic-complexity-threshold = 3
diff --git a/src/tools/clippy/tests/ui-toml/duplicated_keys_deprecated/duplicated_keys.rs b/src/tools/clippy/tests/ui-toml/duplicated_keys_deprecated/duplicated_keys.rs
new file mode 100644
index 000000000..f328e4d9d
--- /dev/null
+++ b/src/tools/clippy/tests/ui-toml/duplicated_keys_deprecated/duplicated_keys.rs
@@ -0,0 +1 @@
+fn main() {}
diff --git a/src/tools/clippy/tests/ui-toml/duplicated_keys_deprecated/duplicated_keys.stderr b/src/tools/clippy/tests/ui-toml/duplicated_keys_deprecated/duplicated_keys.stderr
new file mode 100644
index 000000000..0af8c0add
--- /dev/null
+++ b/src/tools/clippy/tests/ui-toml/duplicated_keys_deprecated/duplicated_keys.stderr
@@ -0,0 +1,14 @@
+error: error reading Clippy's configuration file: duplicate field `cognitive_complexity_threshold` (provided as `cyclomatic_complexity_threshold`)
+ --> $DIR/$DIR/clippy.toml:3:1
+ |
+LL | cyclomatic-complexity-threshold = 3
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+warning: error reading Clippy's configuration file: deprecated field `cyclomatic-complexity-threshold`. Please use `cognitive-complexity-threshold` instead
+ --> $DIR/$DIR/clippy.toml:3:1
+ |
+LL | cyclomatic-complexity-threshold = 3
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error; 1 warning emitted
+