Add OnCommittedResponseWrapper.setContentLengthLong

Add setContentLengthLong tracking to OnCommittedResponseWrapper in
order to detect commits on servlets that use setContentLengthLong to
announce the entity size they are about to write (as used in the
Apache Tomcat's DefaultServlet).

Fixes gh-1489

spring-session-core/src/main/java/org/springframework/session/web/http/OnCommittedResponseWrapper.java

@@ -69,6 +69,12 @@ abstract class OnCommittedResponseWrapper extends HttpServletResponseWrapper {
 		super.addHeader(name, value);
 	}
 
+	@Override
+	public void setContentLengthLong(long len) {
+		setContentLength(len);
+		super.setContentLengthLong(len);
+	}
+
 	@Override
 	public void setContentLength(int len) {
 		setContentLength((long) len);

spring-session-core/src/test/java/org/springframework/session/web/http/OnCommittedResponseWrapperTests.java

@@ -1100,6 +1100,17 @@ class OnCommittedResponseWrapperTests {
 		assertThat(this.committed).isTrue();
 	}
 
+	// gh-7261
+	@Test
+	void contentLengthLongOutputStreamWriteStringCommits() throws IOException {
+		String body = "something";
+		this.response.setContentLengthLong(body.length());
+
+		this.response.getOutputStream().print(body);
+
+		assertThat(this.committed).isTrue();
+	}
+
 	@Test
 	void bufferSizeCommitsOnce() throws Exception {
 		String expected = "1234567890";