This is a testharness.js-based test.
PASS setRequestHeader("") sends a blank string
PASS setRequestHeader(" ") sends the string " "
PASS setRequestHeader(null) sends the string "null"
PASS setRequestHeader(undefined) sends the string "undefined"
PASS String request has correct default Content-Type of "text/plain;charset=UTF-8"
PASS String request keeps setRequestHeader() Content-Type, with charset adjusted to UTF-8
PASS XML Document request respects setRequestHeader("")
PASS XML Document request has correct default Content-Type of "application/xml;charset=UTF-8"
PASS XML Document request keeps setRequestHeader() Content-Type, with charset adjusted to UTF-8
PASS HTML Document request respects setRequestHeader("")
PASS HTML Document request has correct default Content-Type of "text/html;charset=UTF-8"
PASS HTML Document request keeps setRequestHeader() Content-Type, with charset adjusted to UTF-8
PASS Blob request respects setRequestHeader("") to be specified
PASS Blob request with unset type sends no Content-Type without setRequestHeader() call
PASS Blob request with unset type keeps setRequestHeader() Content-Type and charset
PASS Blob request with set type respects setRequestHeader("") to be specified
PASS Blob request with set type uses that it for Content-Type unless setRequestHeader()
PASS Blob request with set type keeps setRequestHeader() Content-Type and charset
PASS ArrayBuffer request respects setRequestHeader("")
PASS ArrayBuffer request sends no Content-Type without setRequestHeader() call
PASS ArrayBuffer request keeps setRequestHeader() Content-Type and charset
PASS ArrayBufferView request respects setRequestHeader("")
PASS ArrayBufferView request sends no Content-Type without setRequestHeader() call
PASS ArrayBufferView request keeps setRequestHeader() Content-Type and charset
PASS FormData request respects setRequestHeader("")
PASS FormData request has correct default Content-Type of "multipart/form-data; boundary=_"
PASS FormData request keeps setRequestHeader() Content-Type and charset
PASS URLSearchParams respects setRequestHeader("")
PASS URLSearchParams request has correct default Content-Type of "application/x-www-form-urlencoded;charset=UTF-8"
PASS URLSearchParams request keeps setRequestHeader() Content-Type, with charset adjusted to UTF-8
PASS ReadableStream request respects setRequestHeader("")
FAIL ReadableStream request with under type sends no Content-Type without setRequestHeader() call assert_equals: expected "" but got "Content-Type: text/plain;charset=UTF-8\n"
FAIL ReadableStream request keeps setRequestHeader() Content-Type and charset assert_equals: expected "Content-Type: application/xml;charset=ASCII\n" but got "Content-Type: application/xml;charset=UTF-8\n"
Harness: the test ran to completion.