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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /testing/web-platform/tests/XMLHttpRequest/progress-events-response-data-gzip.htm | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'testing/web-platform/tests/XMLHttpRequest/progress-events-response-data-gzip.htm')
| -rw-r--r-- | testing/web-platform/tests/XMLHttpRequest/progress-events-response-data-gzip.htm | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/testing/web-platform/tests/XMLHttpRequest/progress-events-response-data-gzip.htm b/testing/web-platform/tests/XMLHttpRequest/progress-events-response-data-gzip.htm new file mode 100644 index 000000000..058064636 --- /dev/null +++ b/testing/web-platform/tests/XMLHttpRequest/progress-events-response-data-gzip.htm @@ -0,0 +1,83 @@ +<!doctype html> +<html> + <head> + <title>XMLHttpRequest: progress events and GZIP encoding</title> + <meta name="timeout" content="long"> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <link rel="help" href="https://xhr.spec.whatwg.org/#firing-events-using-the-progressevent-interface-for-http" data-tested-assertations="following::p[contains(text(),'content-encodings')]" /> + <!-- TODO: find better spec reference when https://www.w3.org/Bugs/Public/show_bug.cgi?id=25587 is fixed --> + </head> + <body> + <div id="log"></div> + <script> + var test = async_test() + test.step(function() { + var client = new XMLHttpRequest() + /* + + Two behaviours are considered acceptable, so there are two ways to + pass this test + + a) Set data for the compressed resource: + * event.total reflects the Content-length of the gzipp'ed resource + * event.loaded how many gzipped bytes have arrived over the wire so far + * lengthComputable is true + + or + + b) If the implementation does not provide progress details for the compressed + resource, set + * lengthComputable to false + * event.total to 0 + * event.loaded to the number of bytes available so far after gzip decoding + + Implications of this are tested here as follows: + + * If lengthComputable is true: + * Event.total must match Content-length header + * event.loaded must only ever increase in progress events + (and may never repeat its value). + * event.loaded must never exceed the Content-length. + + * If lengthComputable is false: + * event.total should be 0 + * event.loaded must only ever increase in progress events + (and may never repeat its value). + * event.loaded should be the length of the decompressed content, i.e. + bigger than Content-length header value when finished loading + + */ + var lastTotal; + var lastLoaded = -1; + client.addEventListener('loadend', test.step_func(function(e){ + var len = parseInt(client.getResponseHeader('content-length'), 10) + if(e.lengthComputable){ + assert_equals(e.total, len, 'event.total is content-length') + assert_equals(e.loaded, len, 'event.loaded should be content-length at loadend') + }else{ + assert_equals(e.total, 0, 'if implementation can\'t compute event.total for gzipped content it is 0') + assert_true(e.loaded >= len, 'event.loaded should be set even if total is not computable') + } + test.done(); + }), false) + client.addEventListener('progress', test.step_func(function(e){ + if(lastTotal === undefined){ + lastTotal = e.total; + } + if(e.lengthComputable && e.total && e.loaded){ + assert_equals(e.total, lastTotal, 'event.total should remain invariant') + assert_less_than_equal(e.loaded, lastTotal, 'event.loaded should not exceed content-length') + }else{ + assert_equals(e.total, 0, 'event.total should be 0') + } + assert_greater_than(e.loaded, lastLoaded, 'event.loaded should only ever increase') + lastLoaded = e.loaded; + }), false) + // image.gif is 165375 bytes compressed. Sending 45000 bytes at a time with 1 second delay will load it in 4 seconds + client.open("GET", "resources/image.gif?pipe=gzip|trickle(45000:d1:r2)", true) + client.send() + }) + </script> + </body> +</html> |