public void PreprocessBook_ThrowsArgumentNullException_WhenBookIsNull() { // Act void action() => Question16_2.PreprocessBook(null); // Assert TestHelpers.AssertExceptionThrown(action, typeof(ArgumentNullException)); }
public void WordFrequency_ThrowsArgumentNullException_WhenBookIsNull() { // Act void action() => Question16_2.WordFrequency(null, "foo"); // Assert TestHelpers.AssertExceptionThrown(action, typeof(ArgumentNullException)); }
public void WordFrequency_ThrowsArgumentNullException_WhenTargetWordIsNull() { // Arrange var book = new[] { "foo" }; // Act void action() => Question16_2.WordFrequency(book, null); // Assert TestHelpers.AssertExceptionThrown(action, typeof(ArgumentNullException)); }
public void WordFrequency_ReturnsZero_WithNoOccurrences() { // Arrange var book = new[] { "foo" }; // Act var result = Question16_2.WordFrequency(book, "bar"); // Assert Assert.AreEqual(0, result); }
public void WordFrequency_ReturnsFrequency_WithTwoWords() { // Arrange var book = new[] { "foo", "bar" }; // Act var result = Question16_2.WordFrequency(book, "foo"); // Assert Assert.AreEqual(1, result); }
public void WordFrequency_ReturnsFrequency_WithMultipleOccurrences() { // Arrange var book = new[] { "foo", "foo" }; // Act var result = Question16_2.WordFrequency(book, "foo"); // Assert Assert.AreEqual(2, result); }
public void WordFrequencyPreprocessed_ReturnsFrequency_WithOneWord() { // Arrange var book = new[] { "foo" }; Question16_2.PreprocessBook(book); // Act var result = Question16_2.WordFrequencyPreprocessed("foo"); // Assert Assert.AreEqual(1, result); }