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January 30, 2020 07:18
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| using Xunit; | |
| namespace System.PrivateUri.Functional.Tests | |
| { | |
| public static class KnownSchemeTests | |
| { | |
| [Theory] | |
| [InlineData("https")] | |
| [InlineData("ws")] | |
| [InlineData("wss")] | |
| [InlineData("ftp")] | |
| [InlineData("file")] | |
| [InlineData("gopher")] | |
| [InlineData("nntp")] | |
| [InlineData("news")] | |
| [InlineData("mailto")] | |
| [InlineData("uuid")] | |
| [InlineData("telnet")] | |
| [InlineData("ldap")] | |
| [InlineData("net.tcp")] | |
| [InlineData("net.pipe")] | |
| [InlineData("vsmacros")] | |
| public static void KnownSchemes_DoNotAllocateForSchemeLookup(string scheme) | |
| { | |
| string uriString = scheme + "://foo.bar"; | |
| // Cache this to save on test execution time | |
| double allocatedForHttp = s_allocatedForHttp ??= MeasureAllocations(() => new Uri("http://foo.bar")); | |
| double allocatedForTestScheme = MeasureAllocations(() => new Uri(uriString)); | |
| Assert.InRange(allocatedForTestScheme, allocatedForHttp - 4, allocatedForHttp + 4); | |
| } | |
| private static double? s_allocatedForHttp = null; | |
| private static double MeasureAllocations(Action action) | |
| { | |
| GC.Collect(); | |
| GC.WaitForPendingFinalizers(); | |
| GC.Collect(); | |
| const long iterations = 10_000; | |
| long before = GC.GetAllocatedBytesForCurrentThread(); | |
| for (long i = 0; i < iterations; i++) | |
| action(); | |
| long after = GC.GetAllocatedBytesForCurrentThread(); | |
| return (after - before) / (double)iterations; | |
| } | |
| } | |
| } |
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