public async Task MockFile_AppendAllTextAsync_ShouldPersistNewTextWithCustomEncoding() { // Arrange string path = XFS.Path(@"c:\something\demo.txt"); var fileSystem = new MockFileSystem(new Dictionary <string, MockFileData> { { path, new MockFileData("Demo text content") } }); var file = new MockFile(fileSystem); // Act await file.AppendAllTextAsync(path, "+ some text", Encoding.BigEndianUnicode); // Assert var expected = new byte[] { 68, 101, 109, 111, 32, 116, 101, 120, 116, 32, 99, 111, 110, 116, 101, 110, 116, 0, 43, 0, 32, 0, 115, 0, 111, 0, 109, 0, 101, 0, 32, 0, 116, 0, 101, 0, 120, 0, 116 }; CollectionAssert.AreEqual( expected, file.ReadAllBytes(path)); }
public async Task MockFile_AppendAllTextAsync_ShouldPersistNewTextWithDifferentEncoding() { // Arrange const string Path = @"c:\something\demo.txt"; var fileSystem = new MockFileSystem(new Dictionary <string, MockFileData> { { Path, new MockFileData("AA", Encoding.UTF32) } }); var file = new MockFile(fileSystem); // Act await file.AppendAllTextAsync(Path, "BB", Encoding.UTF8); // Assert CollectionAssert.AreEqual( new byte[] { 255, 254, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 66, 66 }, fileSystem.GetFile(Path).Contents); }
public async Task MockFile_AppendAllTextAsync_ShouldPersistNewText() { // Arrange string path = XFS.Path(@"c:\something\demo.txt"); var fileSystem = new MockFileSystem(new Dictionary <string, MockFileData> { { path, new MockFileData("Demo text content") } }); var file = new MockFile(fileSystem); // Act await file.AppendAllTextAsync(path, "+ some text"); // Assert Assert.AreEqual( "Demo text content+ some text", file.ReadAllText(path)); }