public async Task ContainsPrefixAsync_WithNonEmptyCollection_ReturnsTrueForKnownPrefixes()
{
// Arrange
var valueProvider = new ReadableStringCollectionValueProvider <TestValueProviderMetadata>(_backingStore, null);
// Act & Assert
Assert.True(await valueProvider.ContainsPrefixAsync("foo"));
Assert.True(await valueProvider.ContainsPrefixAsync("bar"));
Assert.True(await valueProvider.ContainsPrefixAsync("bar.baz"));
}
public async Task ContainsPrefixAsync_WithNonEmptyCollection_ReturnsTrueForKnownPrefixes()
{
// Arrange
var valueProvider = new ReadableStringCollectionValueProvider(BindingSource.Query, _backingStore, null);
// Act & Assert
Assert.True(await valueProvider.ContainsPrefixAsync("foo"));
Assert.True(await valueProvider.ContainsPrefixAsync("bar"));
Assert.True(await valueProvider.ContainsPrefixAsync("bar.baz"));
}
public async Task ContainsPrefixAsync_WithNonEmptyCollection_ReturnsFalseForUnknownPrefix()
{
// Arrange
var valueProvider = new ReadableStringCollectionValueProvider(BindingSource.Query, _backingStore, null);
// Act
var result = await valueProvider.ContainsPrefixAsync("biff");
// Assert
Assert.False(result);
}
public async Task ContainsPrefixAsync_WithNonEmptyCollection_ReturnsTrueForEmptyPrefix()
{
// Arrange
var valueProvider = new ReadableStringCollectionValueProvider(_backingStore, null);
// Act
var result = await valueProvider.ContainsPrefixAsync("");
// Assert
Assert.True(result);
}
public async Task ContainsPrefixAsync_WithNonEmptyCollection_ReturnsFalseForUnknownPrefix()
{
// Arrange
var valueProvider = new ReadableStringCollectionValueProvider <TestValueProviderMetadata>(_backingStore, null);
// Act
var result = await valueProvider.ContainsPrefixAsync("biff");
// Assert
Assert.False(result);
}
public async Task ContainsPrefixAsync_WithNonEmptyCollection_ReturnsTrueForEmptyPrefix()
{
// Arrange
var valueProvider = new ReadableStringCollectionValueProvider(BindingSource.Query, _backingStore, null);
// Act
var result = await valueProvider.ContainsPrefixAsync("");
// Assert
Assert.True(result);
}
public async Task ContainsPrefixAsync_WithEmptyCollection_ReturnsFalseForEmptyPrefix()
{
// Arrange
var backingStore = new ReadableStringCollection(new Dictionary<string, string[]>());
var valueProvider = new ReadableStringCollectionValueProvider(BindingSource.Query, backingStore, null);
// Act
var result = await valueProvider.ContainsPrefixAsync("");
// Assert
Assert.False(result);
}
public async Task ContainsPrefixAsync_WithEmptyCollection_ReturnsFalseForEmptyPrefix()
{
// Arrange
var backingStore = new ReadableStringCollection(new Dictionary <string, string[]>());
var valueProvider = new ReadableStringCollectionValueProvider <TestValueProviderMetadata>(backingStore, null);
// Act
var result = await valueProvider.ContainsPrefixAsync("");
// Assert
Assert.False(result);
}