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[Gecko Bug 1771423] Add test for fetching empty blobs. #35469

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merged 1 commit into from
Aug 15, 2022
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[Gecko Bug 1771423] Add test for fetching empty blobs. #35469

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40 changes: 40 additions & 0 deletions fetch/api/basic/scheme-blob.sub.any.js
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,47 @@ invalidRequestMethods.forEach(function(method) {
checkKoUrl(URL.createObjectURL(blob2), method, "Fetching [" + method + "] URL.createObjectURL(blob) is KO");
});

var empty_blob = new Blob([]);
checkFetchResponse(URL.createObjectURL(empty_blob), "", "", 0,
"Fetching URL.createObjectURL(empty_blob) is OK");

var empty_type_blob = new Blob([], {type: ""});
checkFetchResponse(URL.createObjectURL(empty_type_blob), "", "", 0,
"Fetching URL.createObjectURL(empty_type_blob) is OK");

var empty_data_blob = new Blob([], {type: "text/plain"});
checkFetchResponse(URL.createObjectURL(empty_data_blob), "", "text/plain", 0,
"Fetching URL.createObjectURL(empty_data_blob) is OK");

checkKoUrl("blob:not-backed-by-a-blob/", "GET",
"Fetching [GET] blob:not-backed-by-a-blob/ is KO");

promise_test(function(test) {
var blob = new Blob(["content type with invalid character"], {"type": "text/plain"});
let slice = blob.slice(8, 25, "\0");
return fetch(URL.createObjectURL(slice)).then(function (resp) {
assert_equals(resp.status, 200, "HTTP status is 200");
assert_equals(resp.type, "basic", "response type is basic");
assert_equals(resp.headers.get("Content-Type"), "");
assert_equals(resp.headers.get("Content-Length"), "17");
return resp.text();
}).then(function(bodyAsText) {
assert_equals(bodyAsText, "type with invalid");
});
}, "Set content type to the empty string for slice with invalid content type");

promise_test(function(test) {
var blob = new Blob(["content type that is empty"], {"type": "text/plain"});
let slice = blob.slice(8, 20);
return fetch(URL.createObjectURL(slice)).then(function (resp) {
assert_equals(resp.status, 200, "HTTP status is 200");
assert_equals(resp.type, "basic", "response type is basic");
assert_equals(resp.headers.get("Content-Type"), "");
assert_equals(resp.headers.get("Content-Length"), "12");
return resp.text();
}).then(function(bodyAsText) {
assert_equals(bodyAsText, "type that is");
});
}, "Set content type to the empty string for slice with no content type ");

done();