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Bug 1454984 [wpt PR 10525] - Parsing Content-Type, a=testonly
Automatic update from web-platform-tests Fetch: Content-Type parsing See https://github.com/whatwg/fetch/pull/831 for context. -- wpt-commits: 62317fb983ca5687e4133d89f5523839fdab7f69 wpt-pr: 10525
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testing/web-platform/tests/fetch/content-type/README.md
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testing/web-platform/tests/fetch/content-type/README.md
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# `resources/content-types.json`
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An array of tests. Each test has these fields:
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* `contentType`: an array of values for the `Content-Type` header. A harness needs to run the test twice if there are multiple values. One time with the values concatenated with `,` followed by a space and one time with multiple `Content-Type` declarations, each on their own line with one of the values, in order.
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* `encoding`: the expected encoding, null for the default.
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* `mimeType`: the result of extracing a MIME type and serializing it.
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* `documentContentType`: the MIME type expected to be exposed in DOM documents.
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(These tests are currently somewhat geared towards browser use, but could be generalized easily enough if someone wanted to contribute tests for MIME types that would cause downloads in the browser or some such.)
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# `resources/script-content-types.json`
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An array of tests, surprise. Each test has these fields:
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* `contentType`: see above.
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* `executes`: whether the script is expected to execute.
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* `encoding`: how the script is expected to be decoded.
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These tests are expected to be loaded through `<script src>` and the server is expected to set `X-Content-Type-Options: nosniff`.
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def main(request, response):
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values = request.GET.get_list("value")
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content = request.GET.first("content", "<b>hi</b>\n")
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output = "HTTP/1.1 200 OK\r\n"
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output += "X-Content-Type-Options: nosniff\r\n"
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if "single_header" in request.GET:
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output += "Content-Type: " + ",".join(values) + "\r\n"
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else:
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for value in values:
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output += "Content-Type: " + value + "\r\n"
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output += "Content-Length: " + str(len(content)) + "\r\n"
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output += "\r\n"
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output += content
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response.writer.write(output)
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response.close_connection = True
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[
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{
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"contentType": ["", "text/plain"],
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"encoding": null,
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"mimeType": "text/plain",
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"documentContentType": "text/plain"
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},
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{
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"contentType": ["text/plain", ""],
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"encoding": null,
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"mimeType": "text/plain",
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"documentContentType": "text/plain"
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},
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{
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"contentType": ["text/html", "text/plain"],
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"encoding": null,
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"mimeType": "text/plain",
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"documentContentType": "text/plain"
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},
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{
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"contentType": ["text/plain;charset=gbk", "text/html"],
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"encoding": null,
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"mimeType": "text/html",
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"documentContentType": "text/html"
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},
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{
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"contentType": ["text/plain;charset=gbk", "text/html;charset=windows-1254"],
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"encoding": "windows-1254",
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"mimeType": "text/html;charset=windows-1254",
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"documentContentType": "text/html"
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},
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{
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"contentType": ["text/plain;charset=gbk", "text/plain"],
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"encoding": "GBK",
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"mimeType": "text/plain;charset=gbk",
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"documentContentType": "text/plain"
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},
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{
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"contentType": ["text/plain;charset=gbk", "text/plain;charset=windows-1252"],
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"encoding": "windows-1252",
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"mimeType": "text/plain;charset=windows-1252",
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"documentContentType": "text/plain"
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},
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{
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"contentType": ["text/html;charset=gbk", "text/html;x=\",text/plain"],
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"encoding": "GBK",
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"mimeType": "text/html;x=\",text/plain\";charset=gbk",
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"documentContentType": "text/html"
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},
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{
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"contentType": ["text/plain;charset=gbk;x=foo", "text/plain"],
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"encoding": "GBK",
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"mimeType": "text/plain;charset=gbk",
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"documentContentType": "text/plain"
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},
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{
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"contentType": ["text/html;charset=gbk", "text/plain", "text/html"],
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"encoding": null,
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"mimeType": "text/html",
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"documentContentType": "text/html"
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},
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{
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"contentType": ["text/plain", "*/*"],
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"encoding": null,
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"mimeType": "text/plain",
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"documentContentType": "text/plain"
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},
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{
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"contentType": ["text/html", "*/*"],
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"encoding": null,
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"mimeType": "text/html",
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"documentContentType": "text/html"
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},
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{
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"contentType": ["*/*", "text/html"],
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"encoding": null,
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"mimeType": "text/html",
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"documentContentType": "text/html"
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},
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{
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"contentType": ["text/plain", "*/*;charset=gbk"],
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"encoding": null,
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"mimeType": "text/plain",
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"documentContentType": "text/plain"
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},
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{
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"contentType": ["text/html", "*/*;charset=gbk"],
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"encoding": null,
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"mimeType": "text/html",
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"documentContentType": "text/html"
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},
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{
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"contentType": ["text/html;x=\"", "text/plain"],
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"encoding": null,
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"mimeType": "text/html;x=\", text/plain\"",
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"documentContentType": "text/html"
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},
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{
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"contentType": ["text/html;\"", "text/plain"],
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"encoding": null,
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"mimeType": "text/html",
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"documentContentType": "text/html"
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},
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{
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"contentType": ["text/html;\"", "\\\"", "text/plain"],
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"encoding": null,
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"mimeType": "text/html",
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"documentContentType": "text/html"
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},
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{
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"contentType": ["text/html;\"", "\\\"", "text/plain", "\";charset=GBK"],
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"encoding": "GBK",
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"mimeType": "text/html;charset=GBK",
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"documentContentType": "text/html"
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},
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{
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"contentType": ["text/html;\"", "\"", "text/plain"],
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"encoding": null,
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"mimeType": "text/plain",
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"documentContentType": "text/plain"
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}
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]
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[
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{
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"contentType": ["text/javascript;charset=windows-1252"],
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"executes": true,
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"encoding": "windows-1252"
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},
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{
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"contentType": ["text/javascript;\";charset=windows-1252"],
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"executes": true,
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"encoding": "windows-1252"
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},
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{
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"contentType": ["text/javascript\u000C"],
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"executes": false,
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"encoding": null
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},
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{
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"contentType": ["\"text/javascript\""],
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"executes": false,
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"encoding": null
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},
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{
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"contentType": ["text/ javascript"],
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"executes": false,
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"encoding": null
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},
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{
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"contentType": ["text /javascript"],
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"executes": false,
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"encoding": null
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},
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{
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"contentType": ["x/x", "text/javascript"],
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"executes": true,
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"encoding": null
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},
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{
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"contentType": ["x/x;charset=windows-1252", "text/javascript"],
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"executes": true,
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"encoding": null
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},
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{
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"contentType": ["text/javascript", "x/x"],
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"executes": false,
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"encoding": null
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},
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{
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"contentType": ["text/javascript; charset=windows-1252", "text/javascript"],
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"executes": true,
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"encoding": "windows-1252"
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},
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{
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"contentType": ["text/javascript;\"", "x/x"],
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"executes": true,
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"encoding": null
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},
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{
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"contentType": ["text/javascript", ""],
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"executes": true,
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"encoding": null
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},
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{
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"contentType": ["text/javascript", "error"],
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"executes": true,
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"encoding": null
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},
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{
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"contentType": ["text/javascript;charset=windows-1252", "x/x", "text/javascript"],
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"executes": true,
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"encoding": null
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},
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{
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"contentType": ["text/javascript;charset=windows-1252", "error", "text/javascript"],
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"executes": true,
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"encoding": "windows-1252"
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},
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{
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"contentType": ["text/javascript;charset=windows-1252", "", "text/javascript"],
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"executes": true,
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"encoding": "windows-1252"
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},
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{
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"contentType": ["text/javascript;charset=windows-1252;\"", "\\\"", "x/x"],
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"executes": true,
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"encoding": "windows-1252"
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},
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{
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"contentType": ["x/x;\"", "x/y;\\\"", "text/javascript;charset=windows-1252;\"", "text/javascript"],
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"executes": true,
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"encoding": null
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}
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]
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promise_test(() => {
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return fetch("resources/content-types.json").then(res => res.json()).then(runTests);
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}, "Loading JSON…");
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function runTests(tests) {
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tests.forEach(testUnit => {
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runFrameTest(testUnit, false);
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runFrameTest(testUnit, true);
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runFetchTest(testUnit, false);
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runFetchTest(testUnit, true);
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runRequestResponseTest(testUnit, "Request");
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runRequestResponseTest(testUnit, "Response");
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});
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}
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function runFrameTest(testUnit, singleHeader) {
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// Note: window.js is always UTF-8
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const encoding = testUnit.encoding !== null ? testUnit.encoding : "UTF-8";
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async_test(t => {
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const frame = document.body.appendChild(document.createElement("iframe"));
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t.add_cleanup(() => frame.remove());
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frame.src = getURL(testUnit.contentType, singleHeader);
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frame.onload = t.step_func_done(() => {
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// Edge requires toUpperCase()
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const doc = frame.contentDocument;
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assert_equals(doc.characterSet.toUpperCase(), encoding.toUpperCase());
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if (testUnit.documentContentType === "text/plain") {
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assert_equals(doc.body.textContent, "<b>hi</b>\n");
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} else if (testUnit.documentContentType === "text/html") {
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assert_equals(doc.body.firstChild.localName, "b");
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assert_equals(doc.body.firstChild.textContent, "hi");
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}
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assert_equals(doc.contentType, testUnit.documentContentType);
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});
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}, getDesc("<iframe>", testUnit.contentType, singleHeader));
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}
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function getDesc(type, input, singleHeader) {
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return type + ": " + (singleHeader ? "combined" : "separate") + " response Content-Type: " + input.join(" ");
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}
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function getURL(input, singleHeader) {
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// Edge does not support URLSearchParams
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let url = "resources/content-type.py?"
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if (singleHeader) {
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url += "single_header&"
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}
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input.forEach(val => {
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url += "value=" + encodeURIComponent(val) + "&";
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});
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return url;
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}
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function runFetchTest(testUnit, singleHeader) {
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promise_test(async t => {
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const blob = await (await fetch(getURL(testUnit.contentType, singleHeader))).blob();
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assert_equals(blob.type, testUnit.mimeType);
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}, getDesc("fetch()", testUnit.contentType, singleHeader));
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}
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function runRequestResponseTest(testUnit, stringConstructor) {
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promise_test(async t => {
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// Cannot give Response a body as that will set Content-Type, but Request needs a URL
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const constructorArgument = stringConstructor === "Request" ? "about:blank" : undefined;
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const r = new self[stringConstructor](constructorArgument);
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testUnit.contentType.forEach(val => {
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r.headers.append("Content-Type", val);
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});
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const blob = await r.blob();
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assert_equals(blob.type, testUnit.mimeType);
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}, getDesc(stringConstructor, testUnit.contentType, true));
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}
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promise_test(() => {
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return fetch("resources/script-content-types.json").then(res => res.json()).then(runTests);
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}, "Loading JSON…");
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self.stringFromExecutedScript = undefined;
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function runTests(allTestData) {
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allTestData.forEach(testData => {
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runScriptTest(testData, false);
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if (testData.contentType.length > 1) {
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runScriptTest(testData, true);
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}
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});
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}
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function runScriptTest(testData, singleHeader) {
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async_test(t => {
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const script = document.createElement("script");
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t.add_cleanup(() => {
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script.remove()
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self.stringFromExecutedScript = undefined;
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});
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script.src = getURL(testData.contentType, singleHeader);
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document.head.appendChild(script);
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if (testData.executes) {
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script.onload = t.step_func_done(() => {
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assert_equals(self.stringFromExecutedScript, testData.encoding === "windows-1252" ? "€" : "€");
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});
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script.onerror = t.unreached_func();
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} else {
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script.onerror = t.step_func_done();
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script.onload = t.unreached_func();
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}
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}, (singleHeader ? "combined" : "separate") + " " + testData.contentType.join(" "));
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}
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function getURL(input, singleHeader) {
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// Edge does not support URLSearchParams
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let url = "resources/content-type.py?"
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if (singleHeader) {
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url += "single_header&"
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}
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input.forEach(val => {
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url += "value=" + encodeURIComponent(val) + "&";
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});
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url += "&content=" + encodeURIComponent("self.stringFromExecutedScript = \"€\"");
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return url;
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}
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@ -367,5 +367,17 @@
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{
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"input": "\u0100/\u0100",
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"output": null
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},
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{
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"input": "text /html",
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"output": null
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},
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{
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"input": "text/ html",
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"output": null
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},
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{
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"input": "\"text/html\"",
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"output": null
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}
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]
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