LayoutElementMatcher

Artifact: androidx.wear.protolayout:protolayout-testing

Added in 1.3.0

Kotlin |Java

public final class LayoutElementMatcher

Wrapper for element matcher lambdas that allows to build string explaining to the developer what conditions are being tested.

Summary

Public constructors
`LayoutElementMatcher( @NonNull String description, @NonNull Function1<@NonNull LayoutElementBuilders.LayoutElement, @NonNull Boolean> matcher )` Constructor for the Wrapper of element matcher lambdas that allows to build string explaining to the developer what conditions are being tested.
`LayoutElementMatcher( @NonNull String description, @NonNull Function2<@NonNull LayoutElementBuilders.LayoutElement, @NonNull TestContext, @NonNull Boolean> matcher )`

Public methods
`final @NonNull LayoutElementMatcher`	`and(@NonNull LayoutElementMatcher other)` Returns whether the given element is matched by both this and the other mather.
`final @NonNull LayoutElementMatcher`	`not()` Returns whether the given element does not match the matcher.
`final @NonNull LayoutElementMatcher`	`or(@NonNull LayoutElementMatcher other)` Returns whether the given element is matched by this or the other mather.

Public constructors

LayoutElementMatcher

Added in 1.3.0

public LayoutElementMatcher(
    @NonNull String description,
    @NonNull Function1<@NonNull LayoutElementBuilders.LayoutElement, @NonNull Boolean> matcher
)

Constructor for the Wrapper of element matcher lambdas that allows to build string explaining to the developer what conditions are being tested.

Parameters
`@NonNull String description`	a string explaining to the developer what conditions were being tested.
`@NonNull Function1<@NonNull LayoutElementBuilders.LayoutElement, @NonNull Boolean> matcher`	a lambda performing the actual logic of matching on the layout element.

LayoutElementMatcher

Added in 1.3.0

public LayoutElementMatcher(
    @NonNull String description,
    @NonNull Function2<@NonNull LayoutElementBuilders.LayoutElement, @NonNull TestContext, @NonNull Boolean> matcher
)

Parameters
`@NonNull String description`	a string explaining to the developer what conditions were being tested.
`@NonNull Function2<@NonNull LayoutElementBuilders.LayoutElement, @NonNull TestContext, @NonNull Boolean> matcher`	a lambda performing the actual logic of matching on the layout element, with a TextContext accessible for retrieving context data such as the dynamic data map for evaluating the dynamic values.

Public methods

and

Added in 1.3.0

public final @NonNull LayoutElementMatcher and(@NonNull LayoutElementMatcher other)

Returns whether the given element is matched by both this and the other mather.

Parameters
`@NonNull LayoutElementMatcher other`	mather that should also match in addition to current matcher.

not

Added in 1.3.0

public final @NonNull LayoutElementMatcher not()

Returns whether the given element does not match the matcher.

or

Added in 1.3.0

public final @NonNull LayoutElementMatcher or(@NonNull LayoutElementMatcher other)

Returns whether the given element is matched by this or the other mather.

Parameters
`@NonNull LayoutElementMatcher other`	mather that can be tested to match if the current matcher does not.