diff --git a/third_party/src/test/java/com/jetbrains/lang/dart/DartTokenTypesSetsTest.java b/third_party/src/test/java/com/jetbrains/lang/dart/DartTokenTypesSetsTest.java
new file mode 100644
index 000000000..a648f8b23
--- /dev/null
+++ b/third_party/src/test/java/com/jetbrains/lang/dart/DartTokenTypesSetsTest.java
@@ -0,0 +1,40 @@
+package com.jetbrains.lang.dart;
+
+import com.intellij.testFramework.fixtures.BasePlatformTestCase;
+
+public class DartTokenTypesSetsTest extends BasePlatformTestCase {
+  public void testStrings() {
+    assertTrue(DartTokenTypesSets.STRINGS.contains(DartTokenTypes.RAW_SINGLE_QUOTED_STRING));
+    assertTrue(DartTokenTypesSets.STRINGS.contains(DartTokenTypes.RAW_TRIPLE_QUOTED_STRING));
+    assertTrue(DartTokenTypesSets.STRINGS.contains(DartTokenTypes.OPEN_QUOTE));
+    assertTrue(DartTokenTypesSets.STRINGS.contains(DartTokenTypes.CLOSING_QUOTE));
+    assertTrue(DartTokenTypesSets.STRINGS.contains(DartTokenTypes.REGULAR_STRING_PART));
+  }
+
+  public void testReservedWords() {
+    assertTrue(DartTokenTypesSets.RESERVED_WORDS.contains(DartTokenTypes.ASSERT));
+    assertTrue(DartTokenTypesSets.RESERVED_WORDS.contains(DartTokenTypes.CLASS));
+    assertTrue(DartTokenTypesSets.RESERVED_WORDS.contains(DartTokenTypes.IF));
+    assertTrue(DartTokenTypesSets.RESERVED_WORDS.contains(DartTokenTypes.VOID));
+  }
+
+  public void testComments() {
+    assertTrue(DartTokenTypesSets.COMMENTS.contains(DartTokenTypesSets.SINGLE_LINE_COMMENT));
+    assertTrue(DartTokenTypesSets.COMMENTS.contains(DartTokenTypesSets.MULTI_LINE_COMMENT));
+    assertTrue(DartTokenTypesSets.COMMENTS.contains(DartTokenTypesSets.SINGLE_LINE_DOC_COMMENT));
+    assertTrue(DartTokenTypesSets.COMMENTS.contains(DartTokenTypesSets.MULTI_LINE_DOC_COMMENT));
+  }
+
+  public void testBuiltInIdentifiers() {
+    assertTrue(DartTokenTypesSets.BUILT_IN_IDENTIFIERS.contains(DartTokenTypes.ABSTRACT));
+    assertTrue(DartTokenTypesSets.BUILT_IN_IDENTIFIERS.contains(DartTokenTypes.GET));
+    assertTrue(DartTokenTypesSets.BUILT_IN_IDENTIFIERS.contains(DartTokenTypes.SET));
+    assertTrue(DartTokenTypesSets.BUILT_IN_IDENTIFIERS.contains(DartTokenTypes.AWAIT));
+  }
+
+  public void testOperators() {
+    assertTrue(DartTokenTypesSets.OPERATORS.contains(DartTokenTypes.PLUS));
+    assertTrue(DartTokenTypesSets.OPERATORS.contains(DartTokenTypes.MINUS));
+    assertTrue(DartTokenTypesSets.OPERATORS.contains(DartTokenTypes.EQ_EQ));
+  }
+}