diff -r d59aec2ead21 -r d868727d8f0b test/langtools/jdk/jshell/CompletenessTest.java
--- a/test/langtools/jdk/jshell/CompletenessTest.java	Thu Jun 06 09:30:00 2019 +0200
+++ b/test/langtools/jdk/jshell/CompletenessTest.java	Fri Jun 07 10:09:41 2019 +0200
@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 8149524 8131024 8165211 8080071 8130454 8167343 8129559 8114842 8182268
+ * @bug 8149524 8131024 8165211 8080071 8130454 8167343 8129559 8114842 8182268 8223782
  * @summary Test SourceCodeAnalysis
  * @build KullaTesting TestingInputStream
  * @run testng CompletenessTest
@@ -328,6 +328,18 @@
         assertStatus("/**  test", DEFINITELY_INCOMPLETE, null);
     }
 
+    public void testTextBlocks() {
+        assertStatus("\"\"\"", DEFINITELY_INCOMPLETE, null);
+        assertStatus("\"\"\"broken", DEFINITELY_INCOMPLETE, null);
+        assertStatus("\"\"\"\ntext", DEFINITELY_INCOMPLETE, null);
+        assertStatus("\"\"\"\ntext\"\"", DEFINITELY_INCOMPLETE, "\"\"\"\ntext\"\"\"");
+        assertStatus("\"\"\"\ntext\"\"\"", COMPLETE, "\"\"\"\ntext\"\"\"");
+        assertStatus("\"\"\"\ntext\\\"\"\"\"", COMPLETE, "\"\"\"\ntext\\\"\"\"\"");
+        assertStatus("\"\"\"\ntext\\\"\"\"", DEFINITELY_INCOMPLETE, null);
+        assertStatus("\"\"\"\ntext\\\"\"\"\\\"\"\"", DEFINITELY_INCOMPLETE, null);
+        assertStatus("\"\"\"\ntext\\\"\"\"\\\"\"\"\"\"\"", COMPLETE, "\"\"\"\ntext\\\"\"\"\\\"\"\"\"\"\"");
+    }
+
     public void testMiscSource() {
         assertStatus("if (t) if ", DEFINITELY_INCOMPLETE, "if (t) if"); //Bug
         assertStatus("int m() {} dfd", COMPLETE, "int m() {}");