Another fix for AssertThatStringIsEmpty, added support for CharSequences, added hasSize(0) case, refactored stuff. Added missing html.

src/test/resources/inspections/StringIsEmpty/StringIsEmptyAfter.java

@@ -4,9 +4,16 @@ public class StringIsEmpty {
 
     private void stringIsEmpty() {
         String string = "string";
+        StringBuilder stringBuilder = new StringBuilder();
 
         assertThat(string).isEqualTo("foo");
         assertThat(string).as("foo").isEmpty();
+        assertThat(string).as("bar").isEmpty();
+
+        assertThat(stringBuilder).isEqualTo("foo");
+        assertThat(stringBuilder).as("foo").isEmpty();
+        assertThat(stringBuilder).as("bar").isEmpty();
+
         assertThat(new Object()).isEqualTo("");
     }
 }

src/test/resources/inspections/StringIsEmpty/StringIsEmptyBefore.java

@@ -4,9 +4,16 @@ public class StringIsEmpty {
 
     private void stringIsEmpty() {
         String string = "string";
+        StringBuilder stringBuilder = new StringBuilder();
 
         assertThat(string).isEqualTo("foo");
         assertThat(string).as("foo").isEqualTo("");
+        assertThat(string).as("bar").hasSize(0);
+
+        assertThat(stringBuilder).isEqualTo("foo");
+        assertThat(stringBuilder).as("foo").isEqualTo("");
+        assertThat(stringBuilder).as("bar").hasSize(0);
+
         assertThat(new Object()).isEqualTo("");
     }
 }