1 files changed, 62 insertions, 0 deletions
diff --git a/testing/web-platform/tests/xhr/open-during-abort-processing.htm b/testing/web-platform/tests/xhr/open-during-abort-processing.htm
new file mode 100644
index 0000000000..706eb32a20
--- /dev/null
+++ b/testing/web-platform/tests/xhr/open-during-abort-processing.htm
@@ -0,0 +1,62 @@
+<!doctype html>
+<title>XMLHttpRequest: open() during abort processing - abort() called from onloadstart</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<script>
+async_test(t => {
+  let client = new XMLHttpRequest(),
+      test_state = 1,
+      log = [],
+      expected = [
+        "onloadstart readyState before abort() 1",
+        "onreadystatechange readyState before open() 4",
+        "onreadystatechange readyState after open() 1",
+        "onloadstart readyState 1",
+        "client.onabort 1",
+        "readyState after abort() 1",
+        "client.onload 4"
+      ]
+
+  client.onreadystatechange = t.step_func(() => {
+    if(test_state === 2){
+      test_state = 3
+      log.push('onreadystatechange readyState before open() ' + client.readyState)
+      client.open("GET", "resources/content.py")
+      log.push('onreadystatechange readyState after open() ' + client.readyState)
+      client.send(null)
+    }
+  })
+
+  client.onloadstart = t.step_func(() => {
+    if(test_state === 1){
+      test_state = 2
+      log.push('onloadstart readyState before abort() ' + client.readyState)
+      client.abort()
+      log.push('readyState after abort() ' + client.readyState)
+    }else{
+      log.push('onloadstart readyState ' + client.readyState)
+    }
+  })
+
+  client.upload.onabort = t.step_func(() => {
+    log.push('upload.onabort ' + client.readyState)
+  })
+
+  client.onabort = t.step_func(() => {
+    log.push('client.onabort ' + client.readyState)
+  })
+
+  client.upload.onloadend = t.step_func(() => {
+    log.push('upload.onloadend ' + client.readyState)
+  })
+
+  client.onload = t.step_func_done(() => {
+    log.push('client.onload ' + client.readyState)
+    assert_array_equals(log, expected)
+  })
+
+  client.open("POST", "resources/content.py")
+  client.send('abcd')
+})
+</script>