garydgregory commented on code in PR #510:
URL:
https://github.com/apache/httpcomponents-core/pull/510#discussion_r1894412006
##########
httpcore5-h2/src/test/java/org/apache/hc/core5/http2/impl/nio/TestAbstractH2StreamMultiplexer.java:
##########
@@ -270,5 +271,87 @@ void testInputHeaderContinuationFrame() throws
IOException, HttpException {
Mockito.verify(streamHandler).consumeHeader(headersCaptor.capture(),
ArgumentMatchers.eq(false));
Assertions.assertFalse(headersCaptor.getValue().isEmpty());
}
+
+
+ @Test
+ void testUpdateWindowBehaviorComparison() {
+ AtomicInteger window = new AtomicInteger(1); // Start with window at 1
+
+ // Test with new implementation where overflow should be capped at
Integer.MAX_VALUE
+ int resultNew = updateWindowNew(window, Integer.MAX_VALUE);
+ System.out.println("New implementation: Current window size after
attempted overflow: " + resultNew);
+ Assertions.assertEquals(Integer.MAX_VALUE, resultNew, "New
implementation should cap at Integer.MAX_VALUE");
+
+ // Reset for old implementation test
+ window = new AtomicInteger(1);
+
+ // Test with old implementation where an overflow should throw an
ArithmeticException
+ try {
+ updateWindowOld(window, Integer.MAX_VALUE);
+ Assertions.fail("Old implementation should throw
ArithmeticException for overflow");
+ } catch (final ArithmeticException e) {
+ System.out.println("Old implementation: ArithmeticException
caught: " + e.getMessage());
+ }
+
+ // Test non-overflow scenario for both implementations
+ window = new AtomicInteger(1);
+ final int resultNewSafe = updateWindowNew(window, Integer.MAX_VALUE /
2 - 1);
+ System.out.println("New safe update result: " + resultNewSafe);
Review Comment:
I don't think we should write to the console.
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