Detect all common size exceptions from Tomcat and Commons FileUpload 2.x

Closes gh-36317

spring-web/src/test/java/org/springframework/web/multipart/support/StandardMultipartHttpServletRequestTests.java

@@ -123,6 +123,47 @@ class StandardMultipartHttpServletRequestTests {
 				.isThrownBy(() -> requestWithException(ex)).withCause(ex);
 	}
 
+	@Test  // gh-32549
+	void undertowRequestTooBigException() {
+		IOException ex = new IOException("Connection terminated as request was larger than 10000");
+
+		assertThatExceptionOfType(MaxUploadSizeExceededException.class)
+				.isThrownBy(() -> requestWithException(ex)).withCause(ex);
+	}
+
+	@Test  // gh-36317: Tomcat's Commons FileUpload
+	void commonsFileSizeLimitExceededException() {
+		IOException ex = new FileSizeLimitExceededException();
+
+		assertThatExceptionOfType(MaxUploadSizeExceededException.class)
+				.isThrownBy(() -> requestWithException(ex)).withCause(ex);
+	}
+
+	@Test  // gh-36317: Tomcat's Commons FileUpload
+	void commonsFileCountLimitExceededException() {
+		IOException ex = new FileCountLimitExceededException();
+
+		assertThatExceptionOfType(MaxUploadSizeExceededException.class)
+				.isThrownBy(() -> requestWithException(ex)).withCause(ex);
+	}
+
+	@Test  // gh-36317: Commons FileUpload 2.x
+	void commonsFileUploadByteCountLimitException() {
+		IOException ex = new FileUploadByteCountLimitException();
+
+		assertThatExceptionOfType(MaxUploadSizeExceededException.class)
+				.isThrownBy(() -> requestWithException(ex)).withCause(ex);
+	}
+
+	@Test  // gh-36317: Commons FileUpload 2.x
+	void commonsFileUploadFileCountLimitException() {
+		IOException ex = new FileUploadFileCountLimitException();
+
+		assertThatExceptionOfType(MaxUploadSizeExceededException.class)
+				.isThrownBy(() -> requestWithException(ex)).withCause(ex);
+	}
+
+
 	private static StandardMultipartHttpServletRequest requestWithPart(String name, String disposition, String content) {
 		MockHttpServletRequest request = new MockHttpServletRequest();
 		MockPart part = new MockPart(name, null, content.getBytes(StandardCharsets.UTF_8));
@@ -141,4 +182,31 @@ class StandardMultipartHttpServletRequestTests {
 		return new StandardMultipartHttpServletRequest(request);
 	}
 
+	private static StandardMultipartHttpServletRequest requestWithException(IOException ex) {
+		MockHttpServletRequest request = new MockHttpServletRequest() {
+			@Override
+			public Collection<Part> getParts() throws IOException {
+				throw ex;
+			}
+		};
+		return new StandardMultipartHttpServletRequest(request);
+	}
+
+
+	@SuppressWarnings("serial")
+	private static class FileSizeLimitExceededException extends IOException {
+	}
+
+	@SuppressWarnings("serial")
+	private static class FileCountLimitExceededException  extends IOException {
+	}
+
+	@SuppressWarnings("serial")
+	private static class FileUploadByteCountLimitException  extends IOException {
+	}
+
+	@SuppressWarnings("serial")
+	private static class FileUploadFileCountLimitException  extends IOException {
+	}
+
 }