Android APIs
public class

Assert

extends Object
java.lang.Object
   ↳ junit.framework.Assert
Known Direct Subclasses
Known Indirect Subclasses

Class Overview

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(short expected, short actual)
Asserts that two shorts are equal.
static void assertEquals(String message, int expected, int actual)
Asserts that two ints are equal.
static void assertEquals(String message, short expected, short actual)
Asserts that two shorts are equal.
static void assertEquals(char expected, char actual)
Asserts that two chars are equal.
static void assertEquals(String message, String expected, String actual)
Asserts that two Strings are equal.
static void assertEquals(int expected, int actual)
Asserts that two ints are equal.
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, long expected, long actual)
Asserts that two longs are equal.
static void assertEquals(byte expected, byte actual)
Asserts that two bytes are equal.
static void assertEquals(Object expected, Object actual)
Asserts that two objects are equal.
static void assertEquals(boolean expected, boolean actual)
Asserts that two booleans 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(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(float expected, float actual, float delta)
Asserts that two floats are equal concerning a delta.
static void assertEquals(String message, 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(String message, Object expected, Object actual)
Asserts that two objects are equal.
static void assertEquals(long expected, long actual)
Asserts that two longs 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(String message, Object object)
Asserts that an object isn't null.
static void assertNotNull(Object object)
Asserts that an object isn't null.
static void assertNotSame(Object expected, Object actual)
Asserts that two objects do not refer to the same object.
static void assertNotSame(String message, Object expected, Object actual)
Asserts that two objects do not refer to the same object.
static void assertNull(Object object)
Asserts that an object is null.
static void assertNull(String message, Object object)
Asserts that an object is null.
static void assertSame(Object expected, Object actual)
Asserts that two objects refer to the same object.
static void assertSame(String message, 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)
[Expand]
Inherited Methods
From class java.lang.Object

Protected Constructors

protected Assert ()

Added in API level 1

Protect constructor since it is a static only class

Public Methods

public static void assertEquals (short expected, short actual)

Added in API level 1

Asserts that two shorts are equal.

Parameters
expected short
actual short

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

Added in API level 1

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

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

Added in API level 1

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

public static void assertEquals (char expected, char actual)

Added in API level 1

Asserts that two chars are equal.

Parameters
expected char
actual char

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

Added in API level 1

Asserts that two Strings are equal.

Parameters
message String
expected String
actual String

public static void assertEquals (int expected, int actual)

Added in API level 1

Asserts that two ints are equal.

Parameters
expected int
actual int

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

Added in API level 1

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

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

Added in API level 1

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

public static void assertEquals (byte expected, byte actual)

Added in API level 1

Asserts that two bytes are equal.

Parameters
expected byte
actual byte

public static void assertEquals (Object expected, Object actual)

Added in API level 1

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

Parameters
expected Object
actual Object

public static void assertEquals (boolean expected, boolean actual)

Added in API level 1

Asserts that two booleans are equal.

Parameters
expected boolean
actual boolean

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

Added in API level 1

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

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

Added in API level 1

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

public static void assertEquals (String expected, String actual)

Added in API level 1

Asserts that two Strings are equal.

Parameters
expected String
actual String

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

Added in API level 1

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

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

Added in API level 1

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

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

Added in API level 1

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

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

Added in API level 1

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

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

Added in API level 1

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

public static void assertEquals (long expected, long actual)

Added in API level 1

Asserts that two longs are equal.

Parameters
expected long
actual long

public static void assertFalse (String message, boolean condition)

Added in API level 1

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

Parameters
message String
condition boolean

public static void assertFalse (boolean condition)

Added in API level 1

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

Parameters
condition boolean

public static void assertNotNull (String message, Object object)

Added in API level 1

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

Parameters
message String
object Object

public static void assertNotNull (Object object)

Added in API level 1

Asserts that an object isn't null.

Parameters
object Object

public static void assertNotSame (Object expected, Object actual)

Added in API level 1

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

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

Added in API level 1

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

public static void assertNull (Object object)

Added in API level 1

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

public static void assertNull (String message, Object object)

Added in API level 1

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

Parameters
message String
object Object

public static void assertSame (Object expected, Object actual)

Added in API level 1

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

Parameters
expected Object
actual Object

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

Added in API level 1

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

public static void assertTrue (String message, boolean condition)

Added in API level 1

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

Parameters
message String
condition boolean

public static void assertTrue (boolean condition)

Added in API level 1

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

Parameters
condition boolean

public static void fail (String message)

Added in API level 1

Fails a test with the given message.

Parameters
message String

public static void fail ()

Added in API level 1

Fails a test with no message.

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

Added in API level 16

Parameters
message String
expected Object
actual Object

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

Added in API level 16

Parameters
message String
expected Object
actual Object

public static void failSame (String message)

Added in API level 16

Parameters
message String

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

Added in API level 16

Parameters
message String
expected Object
actual Object
Returns
String