RedundantCollectionOperation: more tests (IDEA-CR-28150)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/redundantCollectionOperation/afterContainsAdd.java

@@ -0,0 +1,8 @@
+// "Remove the 'contains' check" "true"
+import java.util.*;
+
+class Test {
+  void test(Set<String> set, String key) {
+      set.add(key);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/redundantCollectionOperation/beforeContainsAdd.java

@@ -0,0 +1,10 @@
+// "Remove the 'contains' check" "true"
+import java.util.*;
+
+class Test {
+  void test(Set<String> set, String key) {
+    if(!set.co<caret>ntains(key)) {
+      set.add(key);
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/redundantCollectionOperation/beforeContainsAddNoNegation.java

@@ -0,0 +1,10 @@
+// "Remove the 'contains' check" "false"
+import java.util.*;
+
+class Test {
+  void test(Set<String> set, String key) {
+    if(set.co<caret>ntains(key)) {
+      set.add(key);
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/redundantCollectionOperation/beforeContainsAddNotSet.java

@@ -0,0 +1,10 @@
+// "Remove the 'contains' check" "false"
+import java.util.*;
+
+class Test {
+  void test(Collection<String> set, String key) {
+    if(!set.co<caret>ntains(key)) {
+      set.add(key);
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/redundantCollectionOperation/beforeContainsRemoveNegation.java

@@ -0,0 +1,10 @@
+// "Remove the 'contains' check" "false"
+import java.util.List;
+
+class Test {
+  void test(List<String> list, String key) {
+    if(!list.co<caret>ntains(/*contains!!!*/key)) {
+      list.remove(/*remove!!!*/key);
+    }
+  }
+}