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Added in API level 1

Summary: Protected Ctors | Methods | Inherited Methods | [Expand All]

Assert

public class Assert
extends Object

java.lang.Object
↳	junit.framework.Assert

Known Direct Subclasses

TestCase

Known Indirect Subclasses

ActivityInstrumentationTestCase<T extends Activity>, ActivityInstrumentationTestCase2<T extends Activity>, ActivityTestCase, ActivityUnitTestCase<T extends Activity>, AndroidTestCase, ApplicationTestCase<T extends Application>, InstrumentationTestCase, LoaderTestCase, ProviderTestCase<T extends ContentProvider>, ProviderTestCase2<T extends ContentProvider>, ServiceTestCase<T extends Service>, SingleLaunchActivityTestCase<T extends Activity>, SyncBaseInstrumentation, TestSuiteBuilder.FailedToCreateTests

A set of assert methods. Messages are only displayed when an assert fails.

Summary

Protected constructors
`Assert()` Protect constructor since it is a static only class

Public methods
`static void`	`assertEquals(boolean expected, boolean actual)` Asserts that two booleans are equal.
`static void`	`assertEquals(String message, long expected, long actual)` Asserts that two longs are equal.
`static void`	`assertEquals(short expected, short actual)` Asserts that two shorts are equal.
`static void`	`assertEquals(String message, String expected, String actual)` Asserts that two Strings are equal.
`static void`	`assertEquals(String message, int expected, int actual)` Asserts that two ints are equal.
`static void`	`assertEquals(Object expected, Object actual)` Asserts that two objects are equal.
`static void`	`assertEquals(String message, boolean expected, boolean actual)` Asserts that two booleans are equal.
`static void`	`assertEquals(String expected, String actual)` Asserts that two Strings are equal.
`static void`	`assertEquals(String message, short expected, short actual)` Asserts that two shorts are equal.
`static void`	`assertEquals(String message, Object expected, Object actual)` Asserts that two objects are equal.
`static void`	`assertEquals(char expected, char actual)` Asserts that two chars are equal.
`static void`	`assertEquals(byte expected, byte actual)` Asserts that two bytes are equal.
`static void`	`assertEquals(double expected, double actual, double delta)` Asserts that two doubles are equal concerning a delta.
`static void`	`assertEquals(String message, char expected, char actual)` Asserts that two chars are equal.
`static void`	`assertEquals(float expected, float actual, float delta)` Asserts that two floats are equal concerning a delta.
`static void`	`assertEquals(String message, double expected, double actual, double delta)` Asserts that two doubles are equal concerning a delta.
`static void`	`assertEquals(String message, byte expected, byte actual)` Asserts that two bytes are equal.
`static void`	`assertEquals(String message, float expected, float actual, float delta)` Asserts that two floats are equal concerning a positive delta.
`static void`	`assertEquals(long expected, long actual)` Asserts that two longs are equal.
`static void`	`assertEquals(int expected, int actual)` Asserts that two ints are equal.
`static void`	`assertFalse(String message, boolean condition)` Asserts that a condition is false.
`static void`	`assertFalse(boolean condition)` Asserts that a condition is false.
`static void`	`assertNotNull(Object object)` Asserts that an object isn't null.
`static void`	`assertNotNull(String message, Object object)` Asserts that an object isn't null.
`static void`	`assertNotSame(String message, Object expected, Object actual)` Asserts that two objects do not refer to the same object.
`static void`	`assertNotSame(Object expected, Object actual)` Asserts that two objects do not refer to the same object.
`static void`	`assertNull(String message, Object object)` Asserts that an object is null.
`static void`	`assertNull(Object object)` Asserts that an object is null.
`static void`	`assertSame(String message, Object expected, Object actual)` Asserts that two objects refer to the same object.
`static void`	`assertSame(Object expected, Object actual)` Asserts that two objects refer to the same object.
`static void`	`assertTrue(String message, boolean condition)` Asserts that a condition is true.
`static void`	`assertTrue(boolean condition)` Asserts that a condition is true.
`static void`	`fail(String message)` Fails a test with the given message.
`static void`	`fail()` Fails a test with no message.
`static void`	`failNotEquals(String message, Object expected, Object actual)`
`static void`	`failNotSame(String message, Object expected, Object actual)`
`static void`	`failSame(String message)`
`static String`	`format(String message, Object expected, Object actual)`

Inherited methods

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Protected constructors

Assert

Added in API level 1

Assert ()

Protect constructor since it is a static only class

Public methods

assertEquals

Added in API level 1

void assertEquals (boolean expected, 
                boolean actual)

Asserts that two booleans are equal.

Parameters
`expected`	`boolean`
`actual`	`boolean`

assertEquals

Added in API level 1

void assertEquals (String message, 
                long expected, 
                long actual)

Asserts that two longs are equal. If they are not an AssertionFailedError is thrown with the given message.

Parameters
`message`	`String`
`expected`	`long`
`actual`	`long`

assertEquals

Added in API level 1

void assertEquals (short expected, 
                short actual)

Asserts that two shorts are equal.

Parameters
`expected`	`short`
`actual`	`short`

assertEquals

Added in API level 1

void assertEquals (String message, 
                String expected, 
                String actual)

Asserts that two Strings are equal.

Parameters
`message`	`String`
`expected`	`String`
`actual`	`String`

assertEquals

Added in API level 1

void assertEquals (String message, 
                int expected, 
                int actual)

Asserts that two ints are equal. If they are not an AssertionFailedError is thrown with the given message.

Parameters
`message`	`String`
`expected`	`int`
`actual`	`int`

assertEquals

Added in API level 1

void assertEquals (Object expected, 
                Object actual)

Asserts that two objects are equal. If they are not an AssertionFailedError is thrown.

Parameters
`expected`	`Object`
`actual`	`Object`

assertEquals

Added in API level 1

void assertEquals (String message, 
                boolean expected, 
                boolean actual)

Asserts that two booleans are equal. If they are not an AssertionFailedError is thrown with the given message.

Parameters
`message`	`String`
`expected`	`boolean`
`actual`	`boolean`

assertEquals

Added in API level 1

void assertEquals (String expected, 
                String actual)

Asserts that two Strings are equal.

Parameters
`expected`	`String`
`actual`	`String`

assertEquals

Added in API level 1

void assertEquals (String message, 
                short expected, 
                short actual)

Asserts that two shorts are equal. If they are not an AssertionFailedError is thrown with the given message.

Parameters
`message`	`String`
`expected`	`short`
`actual`	`short`

assertEquals

Added in API level 1

void assertEquals (String message, 
                Object expected, 
                Object actual)

Asserts that two objects are equal. If they are not an AssertionFailedError is thrown with the given message.

Parameters
`message`	`String`
`expected`	`Object`
`actual`	`Object`

assertEquals

Added in API level 1

void assertEquals (char expected, 
                char actual)

Asserts that two chars are equal.

Parameters
`expected`	`char`
`actual`	`char`

assertEquals

Added in API level 1

void assertEquals (byte expected, 
                byte actual)

Asserts that two bytes are equal.

Parameters
`expected`	`byte`
`actual`	`byte`

assertEquals

Added in API level 1

void assertEquals (double expected, 
                double actual, 
                double delta)

Asserts that two doubles are equal concerning a delta. If the expected value is infinity then the delta value is ignored.

Parameters
`expected`	`double`
`actual`	`double`
`delta`	`double`

assertEquals

Added in API level 1

void assertEquals (String message, 
                char expected, 
                char actual)

Asserts that two chars are equal. If they are not an AssertionFailedError is thrown with the given message.

Parameters
`message`	`String`
`expected`	`char`
`actual`	`char`

assertEquals

Added in API level 1

void assertEquals (float expected, 
                float actual, 
                float delta)

Asserts that two floats are equal concerning a delta. If the expected value is infinity then the delta value is ignored.

Parameters
`expected`	`float`
`actual`	`float`
`delta`	`float`

assertEquals

Added in API level 1

void assertEquals (String message, 
                double expected, 
                double actual, 
                double delta)

Asserts that two doubles are equal concerning a delta. If they are not an AssertionFailedError is thrown with the given message. If the expected value is infinity then the delta value is ignored.

Parameters
`message`	`String`
`expected`	`double`
`actual`	`double`
`delta`	`double`

assertEquals

Added in API level 1

void assertEquals (String message, 
                byte expected, 
                byte actual)

Asserts that two bytes are equal. If they are not an AssertionFailedError is thrown with the given message.

Parameters
`message`	`String`
`expected`	`byte`
`actual`	`byte`

assertEquals

Added in API level 1

void assertEquals (String message, 
                float expected, 
                float actual, 
                float delta)

Asserts that two floats are equal concerning a positive delta. If they are not an AssertionFailedError is thrown with the given message. If the expected value is infinity then the delta value is ignored.

Parameters
`message`	`String`
`expected`	`float`
`actual`	`float`
`delta`	`float`

assertEquals

Added in API level 1

void assertEquals (long expected, 
                long actual)

Asserts that two longs are equal.

Parameters
`expected`	`long`
`actual`	`long`

assertEquals

Added in API level 1

void assertEquals (int expected, 
                int actual)

Asserts that two ints are equal.

Parameters
`expected`	`int`
`actual`	`int`

assertFalse

Added in API level 1

void assertFalse (String message, 
                boolean condition)

Asserts that a condition is false. If it isn't it throws an AssertionFailedError with the given message.

Parameters
`message`	`String`
`condition`	`boolean`

assertFalse

Added in API level 1

void assertFalse (boolean condition)

Asserts that a condition is false. If it isn't it throws an AssertionFailedError.

Parameters
`condition`	`boolean`

assertNotNull

Added in API level 1

void assertNotNull (Object object)

Asserts that an object isn't null.

Parameters
`object`	`Object`

assertNotNull

Added in API level 1

void assertNotNull (String message, 
                Object object)

Asserts that an object isn't null. If it is an AssertionFailedError is thrown with the given message.

Parameters
`message`	`String`
`object`	`Object`

assertNotSame

Added in API level 1

void assertNotSame (String message, 
                Object expected, 
                Object actual)

Asserts that two objects do not refer to the same object. If they do refer to the same object an AssertionFailedError is thrown with the given message.

Parameters
`message`	`String`
`expected`	`Object`
`actual`	`Object`

assertNotSame

Added in API level 1

void assertNotSame (Object expected, 
                Object actual)

Asserts that two objects do not refer to the same object. If they do refer to the same object an AssertionFailedError is thrown.

Parameters
`expected`	`Object`
`actual`	`Object`

assertNull

Added in API level 1

void assertNull (String message, 
                Object object)

Asserts that an object is null. If it is not an AssertionFailedError is thrown with the given message.

Parameters
`message`	`String`
`object`	`Object`

assertNull

Added in API level 1

void assertNull (Object object)

Asserts that an object is null. If it isn't an AssertionError is thrown. Message contains: Expected: but was: object

Parameters
`object`	`Object`: Object to check or `null`

assertSame

Added in API level 1

void assertSame (String message, 
                Object expected, 
                Object actual)

Asserts that two objects refer to the same object. If they are not an AssertionFailedError is thrown with the given message.

Parameters
`message`	`String`
`expected`	`Object`
`actual`	`Object`

assertSame

Added in API level 1

void assertSame (Object expected, 
                Object actual)

Asserts that two objects refer to the same object. If they are not the same an AssertionFailedError is thrown.

Parameters
`expected`	`Object`
`actual`	`Object`

assertTrue

Added in API level 1

void assertTrue (String message, 
                boolean condition)

Asserts that a condition is true. If it isn't it throws an AssertionFailedError with the given message.

Parameters
`message`	`String`
`condition`	`boolean`

assertTrue

Added in API level 1

void assertTrue (boolean condition)

Asserts that a condition is true. If it isn't it throws an AssertionFailedError.

Parameters
`condition`	`boolean`

fail

Added in API level 1

void fail (String message)

Fails a test with the given message.

Parameters
`message`	`String`

fail

Added in API level 1

void fail ()

Fails a test with no message.

failNotEquals

Added in API level 16

void failNotEquals (String message, 
                Object expected, 
                Object actual)

Parameters
`message`	`String`
`expected`	`Object`
`actual`	`Object`

failNotSame

Added in API level 16

void failNotSame (String message, 
                Object expected, 
                Object actual)

Parameters
`message`	`String`
`expected`	`Object`
`actual`	`Object`

failSame

Added in API level 16

void failSame (String message)

Parameters
`message`	`String`

format

Added in API level 16

String format (String message, 
                Object expected, 
                Object actual)

Parameters
`message`	`String`
`expected`	`Object`
`actual`	`Object`

Returns
`String`