False positive warning "Function ... is never used" #214 : more tests

src/main/java/intellij_awk/psi/AwkElementFactory.java

@@ -18,6 +18,11 @@ public static AwkFunctionName createFunctionName(Project project, String name) {
     return createAwkPsiElement(project, "function " + name + "(){}", AwkFunctionName.class);
   }
 
+  public static AwkStr createString(Project project, String str) {
+    return createAwkPsiElement(
+        project, "{ a = \"" + str.replace("\"", "\\\"") + "\" }", AwkStr.class);
+  }
+
   public static AwkItem createFunctionItem(Project project, String name) {
     return createAwkPsiElement(project, "function " + name + "(){}", AwkItem.class);
   }

src/main/java/intellij_awk/psi/AwkStringMixin.java

@@ -37,7 +37,7 @@ static boolean canBeFunctionName(String s) {
   }
 
   public PsiElement setName(String newName) {
-    return replaceNameNode(AwkElementFactory.createFunctionCallName(getProject(), newName));
+    return replaceNameNode(AwkElementFactory.createString(getProject(), newName));
   }
 
   @Override

src/test/java/intellij_awk/AwkRenameTests.java

@@ -12,6 +12,7 @@ public class AwkRenameTests extends BasePlatformTestCase {
   public void testVars6() { checkByFile(); }
   public void testVars7() { checkByFile(); }
   public void testFunc1() { checkByFile(); }
+  public void testFuncRef() { checkByFile(); }
   public void testIndirect1() { checkByFile(); }
 
   @Override

src/test/testData/rename/funcRef.awk

@@ -0,0 +1,8 @@
+BEGIN {
+    a = "fname"
+    b("fname")
+    substr("fname")
+    print "fname"
+}
+function b() {}
+function fname<caret>() {}

src/test/testData/rename/funcRefAfter.awk

@@ -0,0 +1,8 @@
+BEGIN {
+    a = "newName"
+    b("newName")
+    substr("fname")
+    print "fname"
+}
+function b() {}
+function newName<caret>() {}