public abstract class Assert extends Object
Modifier and Type | Method and Description |
---|---|
static <T,X extends Throwable> |
assertNonNull(T value,
Supplier<? extends X> exceptionSupplier)
Assert that the given
value is non null. |
static <T,X extends Throwable> |
assertThat(T value,
Predicate<T> assertion,
Supplier<? extends X> exceptionSupplier)
|
static void |
isFalse(boolean expression,
Supplier<String> messageSupplier)
Asserts that the given
expression is false. |
static void |
isTrue(boolean expression,
Supplier<String> messageSupplier)
Asserts that the given
expression is true. |
static <T> T |
nonNull(T value,
Supplier<String> messageSupplier)
Assert that the given
value is not null . |
static void |
notNull(Object value,
Supplier<String> messageSupplier)
Assert that the given
value is not null . |
static void |
state(boolean state,
Supplier<String> messageSupplier)
Asserts that the value of
state is true. |
public static void state(boolean state, Supplier<String> messageSupplier)
state
is true. If not, an IllegalStateException is thrown.state
- the state validation expressionmessageSupplier
- Supplier of the exception message if state evaluates to falsepublic static void isTrue(boolean expression, Supplier<String> messageSupplier)
expression
is true. If not, an IllegalArgumentException is thrown.expression
- the state validation expressionmessageSupplier
- Supplier of the exception message if the expression evaluates to falsepublic static void isFalse(boolean expression, Supplier<String> messageSupplier)
expression
is false. If not, an IllegalArgumentException is thrown.expression
- the state validation expressionmessageSupplier
- Supplier of the exception message if the expression evaluates to truepublic static void notNull(Object value, Supplier<String> messageSupplier)
value
is not null
. If not, an IllegalArgumentException is
thrown.value
- the value not to be null
messageSupplier
- Supplier of the exception message if the assertion failspublic static <T> T nonNull(T value, Supplier<String> messageSupplier)
value
is not null
. If not, an IllegalArgumentException is
thrown.value
- the value not to be null
messageSupplier
- Supplier of the exception message if the assertion failsvalue
public static <T,X extends Throwable> void assertThat(T value, Predicate<T> assertion, Supplier<? extends X> exceptionSupplier) throws X extends Throwable
value
will result to true
through the assertion
Predicate
.
If not, the exceptionSupplier
provides an exception
to be thrown.T
- a generic specifying the type of the value
, which is the input for the
assertion
X
- a generic extending Throwable
which will be provided by the
exceptionSupplier
value
- a T
specifying the value to assertassertion
- a Predicate
to test value
againstexceptionSupplier
- a Supplier
of the exception X
if assertion
evaluates to falseX
- if the value
asserts to false
by the assertion
X extends Throwable
public static <T,X extends Throwable> void assertNonNull(T value, Supplier<? extends X> exceptionSupplier) throws X extends Throwable
value
is non null. If not, the exceptionSupplier
provides an exception to
be thrown.T
- a generic specifying the type of the value
, which is the input for the
assertion
X
- a generic extending Throwable
which will be provided by the
exceptionSupplier
value
- a T
specifying the value to assertexceptionSupplier
- a Supplier
of the exception X
if value
equals nullX
- if the value
equals null
X extends Throwable
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