Issue #3951: SeparatorWrap: add support for method reference operator

1 files changed, 20 insertions, 0 deletions

diff --git a/src/test/resources/com/puppycrawl/tools/checkstyle/checks/whitespace/separatorwrap/InputSeparatorWrapForTestMethodRef.java b/src/test/resources/com/puppycrawl/tools/checkstyle/checks/whitespace/separatorwrap/InputSeparatorWrapForTestMethodRef.java
new file mode 100644
index 000000000..fb1b8693f
--- /dev/null
+++ b/src/test/resources/com/puppycrawl/tools/checkstyle/checks/whitespace/separatorwrap/InputSeparatorWrapForTestMethodRef.java
@@ -0,0 +1,20 @@
+package com.puppycrawl.tools.checkstyle.checks.whitespace.separatorwrap;
+
+import java.util.Arrays;
+
+public class InputSeparatorWrapForTestMethodRef {
+
+    void goodCase() {
+        String[] stringArray = { "Barbara", "James", "Mary", "John",
+            "Patricia", "Robert", "Michael", "Linda" };
+        Arrays.sort(stringArray, String
+                ::compareToIgnoreCase);
+    }
+
+    void badCase() {
+        String[] stringArray = { "Barbara", "James", "Mary", "John",
+            "Patricia", "Robert", "Michael", "Linda" };
+        /* violation */ Arrays.sort(stringArray, String::
+                compareToIgnoreCase);
+    }
+}