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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/IndexedDB/writer-starvation.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/IndexedDB/writer-starvation.htm')
| -rw-r--r-- | testing/web-platform/tests/IndexedDB/writer-starvation.htm | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/testing/web-platform/tests/IndexedDB/writer-starvation.htm b/testing/web-platform/tests/IndexedDB/writer-starvation.htm new file mode 100644 index 000000000..ae6c90150 --- /dev/null +++ b/testing/web-platform/tests/IndexedDB/writer-starvation.htm @@ -0,0 +1,105 @@ +<!DOCTYPE html> +<meta charset=utf-8> +<title>Writer starvation</title> +<link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal"> +<meta name=timeout content=long> +<script src=/resources/testharness.js></script> +<script src=/resources/testharnessreport.js></script> +<script src=support.js></script> + +<script> + var db, read_request_count = 0, read_success_count = 0; + var write_request_count = 0, write_success_count = 0; + var RQ_COUNT = 25; + + var open_rq = createdb(async_test(undefined, {timeout: 20000})); + open_rq.onupgradeneeded = function(e) { + db = e.target.result; + db.createObjectStore("s") + .add("1", 1); + } + + open_rq.onsuccess = function(e) { + var i = 0, continue_reading = true; + + /* Pre-fill some read requests */ + for (i = 0; i < RQ_COUNT; i++) + { + read_request_count++; + + db.transaction("s") + .objectStore("s") + .get(1) + .onsuccess = this.step_func(function(e) { + read_success_count++; + assert_equals(e.target.transaction.mode, "readonly"); + }); + } + + this.step(loop); + + function loop() { + read_request_count++; + + db.transaction("s") + .objectStore("s") + .get(1) + .onsuccess = this.step_func(function(e) + { + read_success_count++; + assert_equals(e.target.transaction.mode, "readonly"); + + if (read_success_count >= RQ_COUNT && write_request_count == 0) + { + write_request_count++; + + db.transaction("s", "readwrite") + .objectStore("s") + .add("written", read_request_count) + .onsuccess = this.step_func(function(e) + { + write_success_count++; + assert_equals(e.target.transaction.mode, "readwrite"); + assert_equals(e.target.result, read_success_count, + "write cb came before later read cb's") + }); + + /* Reads done after the write */ + for (i = 0; i < 5; i++) + { + read_request_count++; + + db.transaction("s") + .objectStore("s") + .get(1) + .onsuccess = this.step_func(function(e) + { + read_success_count++; + }); + } + } + }); + + if (read_success_count < RQ_COUNT + 5) + setTimeout(this.step_func(loop), write_request_count ? 1000 : 100); + else + // This is merely a "nice" hack to run finish after the last request is done + db.transaction("s") + .objectStore("s") + .count() + .onsuccess = this.step_func(function() + { + setTimeout(this.step_func(finish), 100); + }); + } + } + + +function finish() { + assert_equals(read_request_count, read_success_count, "read counts"); + assert_equals(write_request_count, write_success_count, "write counts"); + this.done(); +} +</script> + +<div id=log></div> |