Restore enum_variant test

Author: dswij

tests/ui/enum_variants.rs

@@ -1,10 +1,154 @@
 #![warn(clippy::enum_variant_names)]
 #![allow(non_camel_case_types, clippy::upper_case_acronyms)]
 
-enum _E {
-    Nosrmal,
-    NosLeft,
-    NosRight,
+enum FakeCallType {
+    CALL,
+    CREATE,
+}
+
+enum FakeCallType2 {
+    CALL,
+    CREATELL,
+}
+
+enum Foo {
+    cFoo,
+    cBar,
+    cBaz,
+}
+
+enum Fooo {
+    cFoo, // no error, threshold is 3 variants by default
+    cBar,
+}
+
+enum Food {
+    FoodGood,
+    FoodMiddle,
+    FoodBad,
+}
+
+enum Stuff {
+    StuffBad, // no error
+}
+
+enum BadCallType {
+    CallTypeCall,
+    CallTypeCreate,
+    CallTypeDestroy,
+}
+
+enum TwoCallType {
+    // no error
+    CallTypeCall,
+    CallTypeCreate,
+}
+
+enum Consts {
+    ConstantInt,
+    ConstantCake,
+    ConstantLie,
+}
+
+enum Two {
+    // no error here
+    ConstantInt,
+    ConstantInfer,
+}
+
+enum Something {
+    CCall,
+    CCreate,
+    CCryogenize,
+}
+
+enum Seal {
+    With,
+    Without,
+}
+
+enum Seall {
+    With,
+    WithOut,
+    Withbroken,
+}
+
+enum Sealll {
+    With,
+    WithOut,
+}
+
+enum Seallll {
+    WithOutCake,
+    WithOutTea,
+    WithOut,
+}
+
+enum NonCaps {
+    Prefix的,
+    PrefixTea,
+    PrefixCake,
+}
+
+pub enum PubSeall {
+    WithOutCake,
+    WithOutTea,
+    WithOut,
+}
+
+#[allow(clippy::enum_variant_names)]
+pub mod allowed {
+    pub enum PubAllowed {
+        SomeThis,
+        SomeThat,
+        SomeOtherWhat,
+    }
+}
+
+// should not lint
+enum Pat {
+    Foo,
+    Bar,
+    Path,
+}
+
+// should not lint
+enum N {
+    Pos,
+    Neg,
+    Float,
+}
+
+// should not lint
+enum Peek {
+    Peek1,
+    Peek2,
+    Peek3,
+}
+
+// should not lint
+pub enum NetworkLayer {
+    Layer2,
+    Layer3,
+}
+
+// should lint suggesting `IData`, not only `Data` (see #4639)
+enum IDataRequest {
+    PutIData(String),
+    GetIData(String),
+    DeleteUnpubIData(String),
+}
+
+enum HIDataRequest {
+    PutHIData(String),
+    GetHIData(String),
+    DeleteUnpubHIData(String),
+}
+
+enum North {
+    Normal,
+    NoLeft,
+    NoRight,
 }
 
 fn main() {}