add extra legacy_numeric_constants test cases

Author: samueltardieu

tests/ui/legacy_numeric_constants.fixed

@@ -97,6 +97,13 @@ fn main() {
     u32::MAX;
     //~^ ERROR: usage of a legacy numeric method
     //~| HELP: use the associated constant instead
+    i32::MAX;
+    //~^ ERROR: usage of a legacy numeric method
+    //~| HELP: use the associated constant instead
+    type Ω = i32;
+    Ω::MAX;
+    //~^ ERROR: usage of a legacy numeric method
+    //~| HELP: use the associated constant instead
 }
 
 #[warn(clippy::legacy_numeric_constants)]

tests/ui/legacy_numeric_constants.rs

@@ -97,6 +97,13 @@ fn main() {
     (<u32>::max_value());
     //~^ ERROR: usage of a legacy numeric method
     //~| HELP: use the associated constant instead
+    ((i32::max_value)());
+    //~^ ERROR: usage of a legacy numeric method
+    //~| HELP: use the associated constant instead
+    type Ω = i32;
+    Ω::max_value();
+    //~^ ERROR: usage of a legacy numeric method
+    //~| HELP: use the associated constant instead
 }
 
 #[warn(clippy::legacy_numeric_constants)]

tests/ui/legacy_numeric_constants.stderr

@@ -243,8 +243,32 @@ LL -     (<u32>::max_value());
 LL +     u32::MAX;
    |
 
+error: usage of a legacy numeric method
+  --> tests/ui/legacy_numeric_constants.rs:100:5
+   |
+LL |     ((i32::max_value)());
+   |     ^^^^^^^^^^^^^^^^^^^^
+   |
+help: use the associated constant instead
+   |
+LL -     ((i32::max_value)());
+LL +     i32::MAX;
+   |
+
+error: usage of a legacy numeric method
+  --> tests/ui/legacy_numeric_constants.rs:104:5
+   |
+LL |     Ω::max_value();
+   |     ^^^^^^^^^^^^^^
+   |
+help: use the associated constant instead
+   |
+LL -     Ω::max_value();
+LL +     Ω::MAX;
+   |
+
 error: usage of a legacy numeric constant
-  --> tests/ui/legacy_numeric_constants.rs:131:5
+  --> tests/ui/legacy_numeric_constants.rs:138:5
    |
 LL |     std::u32::MAX;
    |     ^^^^^^^^^^^^^
@@ -255,5 +279,5 @@ LL -     std::u32::MAX;
 LL +     u32::MAX;
    |
 
-error: aborting due to 21 previous errors
+error: aborting due to 23 previous errors