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Added in API level 1

Assert

public class Assert
extends Object

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


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

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
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