diff --git a/quiche/balsa/balsa_frame_test.cc b/quiche/balsa/balsa_frame_test.cc
index 5ad9d37..36a8bf8 100644
--- a/quiche/balsa/balsa_frame_test.cc
+++ b/quiche/balsa/balsa_frame_test.cc
@@ -4468,16 +4468,24 @@
 }
 
 TEST_F(HTTPBalsaFrameTest, ContinuationAllowed) {
+  // See RFC7230 Section 3.2 for the definition of obs-fold:
+  // https://httpwg.org/specs/rfc7230.html#header.fields.
   const std::string message =
       "GET / HTTP/1.1\r\n"
-      "key: value\n includes continuation\r\n"
+      "key1: \n value starts with obs-fold\r\n"
+      "key2: value\n includes obs-fold\r\n"
+      "key3: value ends in obs-fold \n \r\n"
       "\r\n";
 
   // TODO(b/314138604): RFC9110 Section 5.5 requires received CR, LF and NUL
   // characters to be replaced with SP, see
   // https://www.rfc-editor.org/rfc/rfc9110.html#name-field-values.
+  // BalsaFrame currently strips (instead of replacing) CR and LF if the value
+  // starts or ends with obs-fold, and keeps them if they occur in the middle.
   FakeHeaders fake_headers;
-  fake_headers.AddKeyValue("key", "value\n includes continuation");
+  fake_headers.AddKeyValue("key1", "value starts with obs-fold");
+  fake_headers.AddKeyValue("key2", "value\n includes obs-fold");
+  fake_headers.AddKeyValue("key3", "value ends in obs-fold");
   EXPECT_CALL(visitor_mock_, ProcessHeaders(fake_headers));
 
   EXPECT_EQ(message.size(),
@@ -4492,7 +4500,7 @@
 
   const std::string message =
       "GET / HTTP/1.1\r\n"
-      "key: value\n includes continuation\r\n"
+      "key: value\n includes obs-fold\r\n"
       "\r\n";
   EXPECT_EQ(message.size(),
             balsa_frame_.ProcessInput(message.data(), message.size()));
@@ -4500,6 +4508,32 @@
   EXPECT_EQ(BalsaFrameEnums::INVALID_HEADER_FORMAT, balsa_frame_.ErrorCode());
 }
 
+TEST_F(HTTPBalsaFrameTest, NullInValue) {
+  constexpr absl::string_view null_string("\0", 1);
+  const std::string message =
+      absl::StrCat("GET / HTTP/1.1\r\n",                                 //
+                   "key1: ", null_string, "value starts with null\r\n",  //
+                   "key2: value ", null_string, "includes null\r\n",     //
+                   "key3: value ends in null", null_string, "\r\n",      //
+                   "\r\n");
+
+  // TODO(b/314138604): RFC9110 Section 5.5 requires received CR, LF and NUL
+  // characters to be replaced with SP, see
+  // https://www.rfc-editor.org/rfc/rfc9110.html#name-field-values.
+  // BalsaFrame currently strips (instead of replacing) NUL at the beginning or
+  // end of the header value, but keeps it if it occurs in the middle.
+  FakeHeaders fake_headers;
+  fake_headers.AddKeyValue("key1", "value starts with null");
+  fake_headers.AddKeyValue(
+      "key2", absl::StrCat("value ", null_string, "includes null"));
+  fake_headers.AddKeyValue("key3", "value ends in null");
+  EXPECT_CALL(visitor_mock_, ProcessHeaders(fake_headers));
+
+  EXPECT_EQ(message.size(),
+            balsa_frame_.ProcessInput(message.data(), message.size()));
+  EXPECT_FALSE(balsa_frame_.Error());
+}
+
 }  // namespace
 
 }  // namespace test