UI test cleanup: Extract ifs_same_cond tests

tests/ui/copies.rs

@@ -348,50 +348,6 @@ fn if_same_then_else() -> Result<&'static str, ()> {
     }
 }
 
-#[warn(clippy::ifs_same_cond)]
-#[allow(clippy::if_same_then_else)] // all empty blocks
-fn ifs_same_cond() {
-    let a = 0;
-    let b = false;
-
-    if b {
-    } else if b {
-        //~ ERROR ifs same condition
-    }
-
-    if a == 1 {
-    } else if a == 1 {
-        //~ ERROR ifs same condition
-    }
-
-    if 2 * a == 1 {
-    } else if 2 * a == 2 {
-    } else if 2 * a == 1 {
-        //~ ERROR ifs same condition
-    } else if a == 1 {
-    }
-
-    // See #659
-    if cfg!(feature = "feature1-659") {
-        1
-    } else if cfg!(feature = "feature2-659") {
-        2
-    } else {
-        3
-    };
-
-    let mut v = vec![1];
-    if v.pop() == None {
-        // ok, functions
-    } else if v.pop() == None {
-    }
-
-    if v.len() == 42 {
-        // ok, functions
-    } else if v.len() == 42 {
-    }
-}
-
 fn main() {}
 
 // Issue #2423. This was causing an ICE

tests/ui/copies.stderr

@@ -351,42 +351,5 @@ LL | |         try!(Ok("foo"));
 LL | |     } else {
    | |_____^
 
-error: this `if` has the same condition as a previous if
-  --> $DIR/copies.rs:358:15
-   |
-LL |     } else if b {
-   |               ^
-   |
-   = note: `-D clippy::ifs-same-cond` implied by `-D warnings`
-note: same as this
-  --> $DIR/copies.rs:357:8
-   |
-LL |     if b {
-   |        ^
-
-error: this `if` has the same condition as a previous if
-  --> $DIR/copies.rs:363:15
-   |
-LL |     } else if a == 1 {
-   |               ^^^^^^
-   |
-note: same as this
-  --> $DIR/copies.rs:362:8
-   |
-LL |     if a == 1 {
-   |        ^^^^^^
-
-error: this `if` has the same condition as a previous if
-  --> $DIR/copies.rs:369:15
-   |
-LL |     } else if 2 * a == 1 {
-   |               ^^^^^^^^^^
-   |
-note: same as this
-  --> $DIR/copies.rs:367:8
-   |
-LL |     if 2 * a == 1 {
-   |        ^^^^^^^^^^
-
-error: aborting due to 20 previous errors
+error: aborting due to 17 previous errors
 

tests/ui/ifs_same_cond.rs

@@ -0,0 +1,46 @@
+#![warn(clippy::ifs_same_cond)]
+#![allow(clippy::if_same_then_else)] // all empty blocks
+
+fn ifs_same_cond() {
+    let a = 0;
+    let b = false;
+
+    if b {
+    } else if b {
+        //~ ERROR ifs same condition
+    }
+
+    if a == 1 {
+    } else if a == 1 {
+        //~ ERROR ifs same condition
+    }
+
+    if 2 * a == 1 {
+    } else if 2 * a == 2 {
+    } else if 2 * a == 1 {
+        //~ ERROR ifs same condition
+    } else if a == 1 {
+    }
+
+    // See #659
+    if cfg!(feature = "feature1-659") {
+        1
+    } else if cfg!(feature = "feature2-659") {
+        2
+    } else {
+        3
+    };
+
+    let mut v = vec![1];
+    if v.pop() == None {
+        // ok, functions
+    } else if v.pop() == None {
+    }
+
+    if v.len() == 42 {
+        // ok, functions
+    } else if v.len() == 42 {
+    }
+}
+
+fn main() {}

tests/ui/ifs_same_cond.stderr

@@ -0,0 +1,39 @@
+error: this `if` has the same condition as a previous if
+  --> $DIR/ifs_same_cond.rs:9:15
+   |
+LL |     } else if b {
+   |               ^
+   |
+   = note: `-D clippy::ifs-same-cond` implied by `-D warnings`
+note: same as this
+  --> $DIR/ifs_same_cond.rs:8:8
+   |
+LL |     if b {
+   |        ^
+
+error: this `if` has the same condition as a previous if
+  --> $DIR/ifs_same_cond.rs:14:15
+   |
+LL |     } else if a == 1 {
+   |               ^^^^^^
+   |
+note: same as this
+  --> $DIR/ifs_same_cond.rs:13:8
+   |
+LL |     if a == 1 {
+   |        ^^^^^^
+
+error: this `if` has the same condition as a previous if
+  --> $DIR/ifs_same_cond.rs:20:15
+   |
+LL |     } else if 2 * a == 1 {
+   |               ^^^^^^^^^^
+   |
+note: same as this
+  --> $DIR/ifs_same_cond.rs:18:8
+   |
+LL |     if 2 * a == 1 {
+   |        ^^^^^^^^^^
+
+error: aborting due to 3 previous errors
+