Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1075 insertions, 0 deletions

diff --git a/docshell/test/unit/test_URIFixup_info.js b/docshell/test/unit/test_URIFixup_info.js
new file mode 100644
index 0000000000..89514cb00c
--- /dev/null
+++ b/docshell/test/unit/test_URIFixup_info.js
@@ -0,0 +1,1075 @@
+const { AppConstants } = ChromeUtils.importESModule(
+  "resource://gre/modules/AppConstants.sys.mjs"
+);
+
+const kForceDNSLookup = "browser.fixup.dns_first_for_single_words";
+const kFixupEnabled = "browser.fixup.alternate.enabled";
+
+// TODO(bug 1522134), this test should also use
+// combinations of the following flags.
+var flagInputs = [
+  Services.uriFixup.FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP,
+  Services.uriFixup.FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP |
+    Services.uriFixup.FIXUP_FLAG_PRIVATE_CONTEXT,
+  Services.uriFixup.FIXUP_FLAGS_MAKE_ALTERNATE_URI,
+  Services.uriFixup.FIXUP_FLAG_FORCE_ALTERNATE_URI,
+  Services.uriFixup.FIXUP_FLAG_FIX_SCHEME_TYPOS,
+  // This should not really generate a search, but it does, see Bug 1588118.
+  Services.uriFixup.FIXUP_FLAG_FIX_SCHEME_TYPOS |
+    Services.uriFixup.FIXUP_FLAG_PRIVATE_CONTEXT,
+];
+
+/*
+  The following properties are supported for these test cases:
+  {
+    input: "", // Input string, required
+    fixedURI: "", // Expected fixedURI
+    alternateURI: "", // Expected alternateURI
+    keywordLookup: false, // Whether a keyword lookup is expected
+    protocolChange: false, // Whether a protocol change is expected
+    inWhitelist: false, // Whether the input host is in the whitelist
+    affectedByDNSForSingleWordHosts: false, // Whether the input host could be a host, but is normally assumed to be a keyword query
+  }
+*/
+var testcases = [
+  {
+    input: "about:home",
+    fixedURI: "about:home",
+  },
+  {
+    input: "http://www.mozilla.org",
+    fixedURI: "http://www.mozilla.org/",
+  },
+  {
+    input: "http://127.0.0.1/",
+    fixedURI: "http://127.0.0.1/",
+  },
+  {
+    input: "file:///foo/bar",
+    fixedURI: "file:///foo/bar",
+  },
+  {
+    input: "://www.mozilla.org",
+    fixedURI: "http://www.mozilla.org/",
+    protocolChange: true,
+  },
+  {
+    input: "www.mozilla.org",
+    fixedURI: "http://www.mozilla.org/",
+    protocolChange: true,
+  },
+  {
+    input: "http://mozilla/",
+    fixedURI: "http://mozilla/",
+    alternateURI: "https://www.mozilla.com/",
+  },
+  {
+    input: "http://test./",
+    fixedURI: "http://test./",
+    alternateURI: "https://www.test./",
+  },
+  {
+    input: "127.0.0.1",
+    fixedURI: "http://127.0.0.1/",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3.4/",
+    fixedURI: "http://1.2.3.4/",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3.4/foo",
+    fixedURI: "http://1.2.3.4/foo",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3.4:8000",
+    fixedURI: "http://1.2.3.4:8000/",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3.4:8000/",
+    fixedURI: "http://1.2.3.4:8000/",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3.4:8000/foo",
+    fixedURI: "http://1.2.3.4:8000/foo",
+    protocolChange: true,
+  },
+  {
+    input: "192.168.10.110",
+    fixedURI: "http://192.168.10.110/",
+    protocolChange: true,
+  },
+  {
+    input: "192.168.10.110/123",
+    fixedURI: "http://192.168.10.110/123",
+    protocolChange: true,
+  },
+  {
+    input: "192.168.10.110/123foo",
+    fixedURI: "http://192.168.10.110/123foo",
+    protocolChange: true,
+  },
+  {
+    input: "192.168.10.110:1234/123",
+    fixedURI: "http://192.168.10.110:1234/123",
+    protocolChange: true,
+  },
+  {
+    input: "192.168.10.110:1234/123foo",
+    fixedURI: "http://192.168.10.110:1234/123foo",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3",
+    fixedURI: "http://1.2.0.3/",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3/",
+    fixedURI: "http://1.2.0.3/",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3/foo",
+    fixedURI: "http://1.2.0.3/foo",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3/123",
+    fixedURI: "http://1.2.0.3/123",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3:8000",
+    fixedURI: "http://1.2.0.3:8000/",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3:8000/",
+    fixedURI: "http://1.2.0.3:8000/",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3:8000/foo",
+    fixedURI: "http://1.2.0.3:8000/foo",
+    protocolChange: true,
+  },
+  {
+    input: "1.2.3:8000/123",
+    fixedURI: "http://1.2.0.3:8000/123",
+    protocolChange: true,
+  },
+  {
+    input: "http://1.2.3",
+    fixedURI: "http://1.2.0.3/",
+  },
+  {
+    input: "http://1.2.3/",
+    fixedURI: "http://1.2.0.3/",
+  },
+  {
+    input: "http://1.2.3/foo",
+    fixedURI: "http://1.2.0.3/foo",
+  },
+  {
+    input: "[::1]",
+    fixedURI: "http://[::1]/",
+    protocolChange: true,
+  },
+  {
+    input: "[::1]/",
+    fixedURI: "http://[::1]/",
+    protocolChange: true,
+  },
+  {
+    input: "[::1]:8000",
+    fixedURI: "http://[::1]:8000/",
+    protocolChange: true,
+  },
+  {
+    input: "[::1]:8000/",
+    fixedURI: "http://[::1]:8000/",
+    protocolChange: true,
+  },
+  {
+    input: "[[::1]]/",
+    keywordLookup: true,
+  },
+  {
+    input: "[fe80:cd00:0:cde:1257:0:211e:729c]",
+    fixedURI: "http://[fe80:cd00:0:cde:1257:0:211e:729c]/",
+    protocolChange: true,
+  },
+  {
+    input: "[64:ff9b::8.8.8.8]",
+    fixedURI: "http://[64:ff9b::808:808]/",
+    protocolChange: true,
+  },
+  {
+    input: "[64:ff9b::8.8.8.8]/~moz",
+    fixedURI: "http://[64:ff9b::808:808]/~moz",
+    protocolChange: true,
+  },
+  {
+    input: "[::1][::1]",
+    keywordLookup: true,
+  },
+  {
+    input: "[::1][100",
+    keywordLookup: true,
+  },
+  {
+    input: "[::1]]",
+    keywordLookup: true,
+  },
+  {
+    input: "1234",
+    fixedURI: "http://0.0.4.210/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "whitelisted/foo.txt",
+    fixedURI: "http://whitelisted/foo.txt",
+    alternateURI: "https://www.whitelisted.com/foo.txt",
+    protocolChange: true,
+  },
+  {
+    input: "mozilla",
+    fixedURI: "http://mozilla/",
+    alternateURI: "https://www.mozilla.com/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "test.",
+    fixedURI: "http://test./",
+    alternateURI: "https://www.test./",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: ".test",
+    fixedURI: "http://.test/",
+    alternateURI: "https://www.test/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "mozilla is amazing",
+    keywordLookup: true,
+  },
+  {
+    input: "search ?mozilla",
+    keywordLookup: true,
+  },
+  {
+    input: "mozilla .com",
+    keywordLookup: true,
+  },
+  {
+    input: "what if firefox?",
+    keywordLookup: true,
+  },
+  {
+    input: "london's map",
+    keywordLookup: true,
+  },
+  {
+    input: "mozilla ",
+    fixedURI: "http://mozilla/",
+    alternateURI: "https://www.mozilla.com/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "   mozilla  ",
+    fixedURI: "http://mozilla/",
+    alternateURI: "https://www.mozilla.com/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "mozilla \\",
+    keywordLookup: true,
+  },
+  {
+    input: "mozilla \\ foo.txt",
+    keywordLookup: true,
+  },
+  {
+    input: "mozilla \\\r foo.txt",
+    keywordLookup: true,
+  },
+  {
+    input: "mozilla\n",
+    fixedURI: "http://mozilla/",
+    alternateURI: "https://www.mozilla.com/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "mozilla \r\n",
+    fixedURI: "http://mozilla/",
+    alternateURI: "https://www.mozilla.com/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "moz\r\nfirefox\nos\r",
+    fixedURI: "http://mozfirefoxos/",
+    alternateURI: "https://www.mozfirefoxos.com/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "moz\r\n firefox\n",
+    keywordLookup: true,
+  },
+  {
+    input: "",
+    keywordLookup: true,
+  },
+  {
+    input: "[]",
+    keywordLookup: true,
+  },
+  {
+    input: "http://whitelisted/",
+    fixedURI: "http://whitelisted/",
+    alternateURI: "https://www.whitelisted.com/",
+    inWhitelist: true,
+  },
+  {
+    input: "whitelisted",
+    fixedURI: "http://whitelisted/",
+    alternateURI: "https://www.whitelisted.com/",
+    protocolChange: true,
+    inWhitelist: true,
+  },
+  {
+    input: "whitelisted.",
+    fixedURI: "http://whitelisted./",
+    alternateURI: "https://www.whitelisted./",
+    protocolChange: true,
+    inWhitelist: true,
+  },
+  {
+    input: "mochi.test",
+    fixedURI: "http://mochi.test/",
+    alternateURI: "https://www.mochi.test/",
+    protocolChange: true,
+    inWhitelist: true,
+  },
+  // local.domain is a whitelisted suffix...
+  {
+    input: "some.local.domain",
+    fixedURI: "http://some.local.domain/",
+    protocolChange: true,
+    inWhitelist: true,
+  },
+  // ...but .domain is not.
+  {
+    input: "some.domain",
+    fixedURI: "http://some.domain/",
+    alternateURI: "https://www.some.domain/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "café.com",
+    fixedURI: "http://xn--caf-dma.com/",
+    alternateURI: "https://www.xn--caf-dma.com/",
+    protocolChange: true,
+  },
+  {
+    input: "mozilla.nonexistent",
+    fixedURI: "http://mozilla.nonexistent/",
+    alternateURI: "https://www.mozilla.nonexistent/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "mochi.ocm",
+    fixedURI: "http://mochi.com/",
+    alternateURI: "https://www.mochi.com/",
+    protocolChange: true,
+  },
+  {
+    input: "47.6182,-122.830",
+    fixedURI: "http://47.6182,-122.830/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "-47.6182,-23.51",
+    fixedURI: "http://-47.6182,-23.51/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "-22.14,23.51-",
+    fixedURI: "http://-22.14,23.51-/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "32.7",
+    fixedURI: "http://32.0.0.7/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "5+2",
+    fixedURI: "http://5+2/",
+    alternateURI: "https://www.5+2.com/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "5/2",
+    fixedURI: "http://0.0.0.5/2",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "moz ?.::%27",
+    keywordLookup: true,
+  },
+  {
+    input: "mozilla.com/?q=search",
+    fixedURI: "http://mozilla.com/?q=search",
+    alternateURI: "https://www.mozilla.com/?q=search",
+    protocolChange: true,
+  },
+  {
+    input: "mozilla.com?q=search",
+    fixedURI: "http://mozilla.com/?q=search",
+    alternateURI: "https://www.mozilla.com/?q=search",
+    protocolChange: true,
+  },
+  {
+    input: "mozilla.com ?q=search",
+    keywordLookup: true,
+  },
+  {
+    input: "mozilla.com.?q=search",
+    fixedURI: "http://mozilla.com./?q=search",
+    protocolChange: true,
+  },
+  {
+    input: "mozilla.com'?q=search",
+    fixedURI: "http://mozilla.com/?q=search",
+    alternateURI: "https://www.mozilla.com/?q=search",
+    protocolChange: true,
+  },
+  {
+    input: "mozilla.com':search",
+    keywordLookup: true,
+  },
+  {
+    input: "[mozilla]",
+    keywordLookup: true,
+  },
+  {
+    input: "':?",
+    fixedURI: "http://'/?",
+    alternateURI: "https://www.'.com/?",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "whitelisted?.com",
+    fixedURI: "http://whitelisted/?.com",
+    alternateURI: "https://www.whitelisted.com/?.com",
+    protocolChange: true,
+  },
+  {
+    input: "?'.com",
+    keywordLookup: true,
+  },
+  {
+    input: ".com",
+    keywordLookup: true,
+    affectedByDNSForSingleWordHosts: true,
+    fixedURI: "http://.com/",
+    alternateURI: "https://www.com/",
+    protocolChange: true,
+  },
+  {
+    input: "' ?.com",
+    keywordLookup: true,
+  },
+  {
+    input: "?mozilla",
+    keywordLookup: true,
+  },
+  {
+    input: "??mozilla",
+    keywordLookup: true,
+  },
+  {
+    input: "mozilla/",
+    fixedURI: "http://mozilla/",
+    alternateURI: "https://www.mozilla.com/",
+    protocolChange: true,
+  },
+  {
+    input: "mozilla",
+    fixedURI: "http://mozilla/",
+    alternateURI: "https://www.mozilla.com/",
+    protocolChange: true,
+    keywordLookup: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "mozilla5/2",
+    fixedURI: "http://mozilla5/2",
+    alternateURI: "https://www.mozilla5.com/2",
+    protocolChange: true,
+    keywordLookup: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "mozilla/foo",
+    fixedURI: "http://mozilla/foo",
+    alternateURI: "https://www.mozilla.com/foo",
+    protocolChange: true,
+    keywordLookup: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "mozilla\\",
+    fixedURI: "http://mozilla/",
+    alternateURI: "https://www.mozilla.com/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "localhost",
+    fixedURI: "http://localhost/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "http",
+    fixedURI: "http://http/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "https",
+    fixedURI: "http://https/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "localhost:8080",
+    fixedURI: "http://localhost:8080/",
+    protocolChange: true,
+  },
+  {
+    input: "plonk:8080",
+    fixedURI: "http://plonk:8080/",
+    protocolChange: true,
+  },
+  {
+    input: "plonk:8080?test",
+    fixedURI: "http://plonk:8080/?test",
+    protocolChange: true,
+  },
+  {
+    input: "plonk:8080#test",
+    fixedURI: "http://plonk:8080/#test",
+    protocolChange: true,
+  },
+  {
+    input: "plonk/ #",
+    fixedURI: "http://plonk/%20#",
+    alternateURI: "https://www.plonk.com/%20#",
+    protocolChange: true,
+    keywordLookup: false,
+  },
+  {
+    input: "blah.com.",
+    fixedURI: "http://blah.com./",
+    protocolChange: true,
+  },
+  {
+    input:
+      "\u10E0\u10D4\u10D2\u10D8\u10E1\u10E2\u10E0\u10D0\u10EA\u10D8\u10D0.\u10D2\u10D4",
+    fixedURI: "http://xn--lodaehvb5cdik4g.xn--node/",
+    alternateURI: "https://www.xn--lodaehvb5cdik4g.xn--node/",
+    protocolChange: true,
+  },
+  {
+    input: " \t mozilla.org/\t \t ",
+    fixedURI: "http://mozilla.org/",
+    alternateURI: "https://www.mozilla.org/",
+    protocolChange: true,
+  },
+  {
+    input: " moz\ti\tlla.org ",
+    keywordLookup: true,
+  },
+  {
+    input: "mozilla/",
+    fixedURI: "http://mozilla/",
+    alternateURI: "https://www.mozilla.com/",
+    protocolChange: true,
+  },
+  {
+    input: "mozilla/ test /",
+    fixedURI: "http://mozilla/%20test%20/",
+    alternateURI: "https://www.mozilla.com/%20test%20/",
+    protocolChange: true,
+  },
+  {
+    input: "mozilla /test/",
+    keywordLookup: true,
+  },
+  {
+    input: "pserver:8080",
+    fixedURI: "http://pserver:8080/",
+    protocolChange: true,
+  },
+  {
+    input: "http;mozilla",
+    fixedURI: "http://http;mozilla/",
+    alternateURI: "https://www.http;mozilla.com/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  },
+  {
+    input: "http//mozilla.org",
+    fixedURI: "http://mozilla.org/",
+    shouldRunTest: flags =>
+      flags & Services.uriFixup.FIXUP_FLAG_FIX_SCHEME_TYPOS,
+  },
+  {
+    input: "http//mozilla.org",
+    fixedURI: "http://http//mozilla.org",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+    shouldRunTest: flags =>
+      !(flags & Services.uriFixup.FIXUP_FLAG_FIX_SCHEME_TYPOS),
+  },
+  {
+    input: "www.mozilla",
+    fixedURI: "http://www.mozilla/",
+    protocolChange: true,
+  },
+  {
+    input: "https://sub.www..mozilla...org/",
+    fixedURI: "https://sub.www.mozilla.org/",
+  },
+  {
+    input: "sub.www..mozilla...org/",
+    fixedURI: "http://sub.www.mozilla.org/",
+    protocolChange: true,
+  },
+  {
+    input: "sub.www..mozilla...org",
+    fixedURI: "http://sub.www.mozilla.org/",
+    protocolChange: true,
+  },
+  {
+    input: "www...mozilla",
+    fixedURI: "http://www.mozilla/",
+    keywordLookup: true,
+    protocolChange: true,
+    shouldRunTest: flags =>
+      !gSingleWordDNSLookup &&
+      flags & Services.uriFixup.FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP,
+  },
+  {
+    input: "www...mozilla",
+    fixedURI: "http://www.mozilla/",
+    protocolChange: true,
+    shouldRunTest: flags =>
+      gSingleWordDNSLookup ||
+      !(flags & Services.uriFixup.FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP),
+  },
+  {
+    input: "mozilla...org",
+    fixedURI: "http://mozilla.org/",
+    protocolChange: true,
+  },
+  {
+    input: "モジラ...org",
+    fixedURI: "http://xn--yck6dwa.org/",
+    protocolChange: true,
+  },
+  {
+    input: "user@localhost",
+    fixedURI: "http://user@localhost/",
+    protocolChange: true,
+    shouldRunTest: () => gSingleWordDNSLookup,
+  },
+  {
+    input: "user@localhost",
+    fixedURI: "http://user@localhost/",
+    keywordLookup: true,
+    protocolChange: true,
+    shouldRunTest: () => !gSingleWordDNSLookup,
+  },
+  {
+    input: "user@192.168.0.1",
+    fixedURI: "http://user@192.168.0.1/",
+    protocolChange: true,
+  },
+  {
+    input: "user@dummy-host",
+    fixedURI: "http://user@dummy-host/",
+    protocolChange: true,
+    shouldRunTest: () => gSingleWordDNSLookup,
+  },
+  {
+    input: "user@dummy-host",
+    fixedURI: "http://user@dummy-host/",
+    keywordLookup: true,
+    protocolChange: true,
+    shouldRunTest: () => !gSingleWordDNSLookup,
+  },
+  {
+    input: "user:pass@dummy-host",
+    fixedURI: "http://user:pass@dummy-host/",
+    protocolChange: true,
+  },
+  {
+    input: ":pass@dummy-host",
+    fixedURI: "http://:pass@dummy-host/",
+    protocolChange: true,
+  },
+  {
+    input: "user@dummy-host/path",
+    fixedURI: "http://user@dummy-host/path",
+    protocolChange: true,
+    shouldRunTest: () => gSingleWordDNSLookup,
+  },
+  {
+    input: "jar:file:///omni.ja!/",
+    fixedURI: "jar:file:///omni.ja!/",
+  },
+];
+
+if (AppConstants.platform == "win") {
+  testcases.push({
+    input: "C:\\some\\file.txt",
+    fixedURI: "file:///C:/some/file.txt",
+    protocolChange: true,
+  });
+  testcases.push({
+    input: "//mozilla",
+    fixedURI: "http://mozilla/",
+    alternateURI: "https://www.mozilla.com/",
+    protocolChange: true,
+  });
+  testcases.push({
+    input: "/a",
+    fixedURI: "http://a/",
+    alternateURI: "https://www.a.com/",
+    keywordLookup: true,
+    protocolChange: true,
+    affectedByDNSForSingleWordHosts: true,
+  });
+} else {
+  testcases.push({
+    input: "/some/file.txt",
+    fixedURI: "file:///some/file.txt",
+    protocolChange: true,
+  });
+  testcases.push({
+    input: "//mozilla",
+    fixedURI: "file:////mozilla",
+    protocolChange: true,
+  });
+  testcases.push({
+    input: "/a",
+    fixedURI: "file:///a",
+    protocolChange: true,
+  });
+}
+
+function sanitize(input) {
+  return input.replace(/\r|\n/g, "").trim();
+}
+
+add_task(async function setup() {
+  var prefList = [
+    "browser.fixup.typo.scheme",
+    "keyword.enabled",
+    "browser.fixup.domainwhitelist.whitelisted",
+    "browser.fixup.domainsuffixwhitelist.test",
+    "browser.fixup.domainsuffixwhitelist.local.domain",
+    "browser.search.separatePrivateDefault",
+    "browser.search.separatePrivateDefault.ui.enabled",
+  ];
+  for (let pref of prefList) {
+    Services.prefs.setBoolPref(pref, true);
+  }
+
+  await setupSearchService();
+  await addTestEngines();
+
+  await Services.search.setDefault(
+    Services.search.getEngineByName(kSearchEngineID),
+    Ci.nsISearchService.CHANGE_REASON_UNKNOWN
+  );
+  await Services.search.setDefaultPrivate(
+    Services.search.getEngineByName(kPrivateSearchEngineID),
+    Ci.nsISearchService.CHANGE_REASON_UNKNOWN
+  );
+});
+
+var gSingleWordDNSLookup = false;
+add_task(async function run_test() {
+  // Only keywordlookup things should be affected by requiring a DNS lookup for single-word hosts:
+  info(
+    "Check only keyword lookup testcases should be affected by requiring DNS for single hosts"
+  );
+  let affectedTests = testcases.filter(
+    t => !t.keywordLookup && t.affectedByDNSForSingleWordHosts
+  );
+  if (affectedTests.length) {
+    for (let testcase of affectedTests) {
+      info("Affected: " + testcase.input);
+    }
+  }
+  Assert.equal(affectedTests.length, 0);
+  await do_single_test_run();
+  await do_single_test_run(true);
+  gSingleWordDNSLookup = true;
+  await do_single_test_run();
+  await do_single_test_run(true);
+  gSingleWordDNSLookup = false;
+  await Services.search.setDefault(
+    Services.search.getEngineByName(kPostSearchEngineID),
+    Ci.nsISearchService.CHANGE_REASON_UNKNOWN
+  );
+  await do_single_test_run();
+  await do_single_test_run(true);
+});
+
+async function do_single_test_run(browserFixupAlternateEnabled = false) {
+  Services.prefs.setBoolPref(kForceDNSLookup, gSingleWordDNSLookup);
+  Services.prefs.setBoolPref(kFixupEnabled, browserFixupAlternateEnabled);
+  let relevantTests = gSingleWordDNSLookup
+    ? testcases.filter(t => t.keywordLookup)
+    : testcases;
+
+  let engine = await Services.search.getDefault();
+  let engineUrl =
+    engine.name == kPostSearchEngineID
+      ? kPostSearchEngineURL
+      : kSearchEngineURL;
+  let privateEngine = await Services.search.getDefaultPrivate();
+  let privateEngineUrl = kPrivateSearchEngineURL;
+
+  for (let {
+    input: testInput,
+    fixedURI: expectedFixedURI,
+    alternateURI: alternativeURI,
+    keywordLookup: expectKeywordLookup,
+    protocolChange: expectProtocolChange,
+    inWhitelist: inWhitelist,
+    affectedByDNSForSingleWordHosts: affectedByDNSForSingleWordHosts,
+    shouldRunTest,
+  } of relevantTests) {
+    // Explicitly force these into a boolean
+    expectKeywordLookup = !!expectKeywordLookup;
+    expectProtocolChange = !!expectProtocolChange;
+    inWhitelist = !!inWhitelist;
+    affectedByDNSForSingleWordHosts = !!affectedByDNSForSingleWordHosts;
+
+    expectKeywordLookup =
+      expectKeywordLookup &&
+      (!affectedByDNSForSingleWordHosts || !gSingleWordDNSLookup);
+
+    for (let flags of flagInputs) {
+      info(
+        'Checking "' +
+          testInput +
+          '" with flags ' +
+          flags +
+          " (DNS lookup for single words: " +
+          (gSingleWordDNSLookup ? "yes" : "no") +
+          "," +
+          " browser fixup alt enabled: " +
+          (browserFixupAlternateEnabled ? "yes" : "no") +
+          ")"
+      );
+
+      if (shouldRunTest && !shouldRunTest(flags)) {
+        continue;
+      }
+
+      let URIInfo;
+      try {
+        URIInfo = Services.uriFixup.getFixupURIInfo(testInput, flags);
+      } catch (ex) {
+        // Both APIs should return an error in the same cases.
+        info("Caught exception: " + ex);
+        Assert.equal(expectedFixedURI, null);
+        continue;
+      }
+
+      // Check the fixedURI:
+      let fixupFlag = browserFixupAlternateEnabled
+        ? Services.uriFixup.FIXUP_FLAGS_MAKE_ALTERNATE_URI
+        : Services.uriFixup.FIXUP_FLAG_NONE;
+      let forceAlternativeURI =
+        flags & Services.uriFixup.FIXUP_FLAG_FORCE_ALTERNATE_URI;
+      let makeAlternativeURI = flags & fixupFlag || forceAlternativeURI;
+
+      if (makeAlternativeURI && alternativeURI != null) {
+        Assert.equal(
+          URIInfo.fixedURI.spec,
+          alternativeURI,
+          "should have gotten alternate URI"
+        );
+      } else {
+        Assert.equal(
+          URIInfo.fixedURI && URIInfo.fixedURI.spec,
+          expectedFixedURI,
+          "should get correct fixed URI"
+        );
+      }
+
+      // Check booleans on input:
+      let couldDoKeywordLookup =
+        flags & Services.uriFixup.FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP;
+      Assert.equal(
+        !!URIInfo.keywordProviderName,
+        couldDoKeywordLookup && expectKeywordLookup,
+        "keyword lookup as expected"
+      );
+
+      let expectProtocolChangeAfterAlternate = false;
+      // If alternativeURI was created, the protocol of the URI
+      // might have been changed to browser.fixup.alternate.protocol
+      // If the protocol is not the same as what was in expectedFixedURI,
+      // the protocol must've changed in the fixup process.
+      if (
+        makeAlternativeURI &&
+        alternativeURI != null &&
+        !expectedFixedURI.startsWith(URIInfo.fixedURI.scheme)
+      ) {
+        expectProtocolChangeAfterAlternate = true;
+      }
+
+      Assert.equal(
+        URIInfo.fixupChangedProtocol,
+        expectProtocolChange || expectProtocolChangeAfterAlternate,
+        "protocol change as expected"
+      );
+      Assert.equal(
+        URIInfo.fixupCreatedAlternateURI,
+        makeAlternativeURI && alternativeURI != null,
+        "alternative URI as expected"
+      );
+
+      // Check the preferred URI
+      if (couldDoKeywordLookup) {
+        if (expectKeywordLookup) {
+          if (!inWhitelist) {
+            let urlparamInput = encodeURIComponent(sanitize(testInput)).replace(
+              /%20/g,
+              "+"
+            );
+            // If the input starts with `?`, then URIInfo.preferredURI.spec will omit it
+            // In order to test this behaviour, remove `?` only if it is the first character
+            if (urlparamInput.startsWith("%3F")) {
+              urlparamInput = urlparamInput.replace("%3F", "");
+            }
+            let isPrivate =
+              flags & Services.uriFixup.FIXUP_FLAG_PRIVATE_CONTEXT;
+            let searchEngineUrl = isPrivate ? privateEngineUrl : engineUrl;
+            let searchURL = searchEngineUrl.replace(
+              "{searchTerms}",
+              urlparamInput
+            );
+            let spec = URIInfo.preferredURI.spec.replace(/%27/g, "'");
+            Assert.equal(spec, searchURL, "should get correct search URI");
+            let providerName = isPrivate ? privateEngine.name : engine.name;
+            Assert.equal(
+              URIInfo.keywordProviderName,
+              providerName,
+              "should get correct provider name"
+            );
+            // Also check keywordToURI() uses the right engine.
+            let kwInfo = Services.uriFixup.keywordToURI(
+              urlparamInput,
+              isPrivate
+            );
+            Assert.equal(kwInfo.providerName, URIInfo.providerName);
+            if (providerName == kPostSearchEngineID) {
+              Assert.ok(kwInfo.postData);
+              let submission = engine.getSubmission(urlparamInput);
+              let enginePostData = NetUtil.readInputStreamToString(
+                submission.postData,
+                submission.postData.available()
+              );
+              let postData = NetUtil.readInputStreamToString(
+                kwInfo.postData,
+                kwInfo.postData.available()
+              );
+              Assert.equal(postData, enginePostData);
+            }
+          } else {
+            Assert.equal(
+              URIInfo.preferredURI,
+              null,
+              "not expecting a preferred URI"
+            );
+          }
+        } else {
+          Assert.equal(
+            URIInfo.preferredURI.spec,
+            URIInfo.fixedURI.spec,
+            "fixed URI should match"
+          );
+        }
+      } else {
+        // In these cases, we should never be doing a keyword lookup and
+        // the fixed URI should be preferred:
+        let prefURI = URIInfo.preferredURI && URIInfo.preferredURI.spec;
+        let fixedURI = URIInfo.fixedURI && URIInfo.fixedURI.spec;
+        Assert.equal(prefURI, fixedURI, "fixed URI should be same as expected");
+      }
+      Assert.equal(
+        sanitize(testInput),
+        URIInfo.originalInput,
+        "should mirror original input"
+      );
+    }
+  }
+}