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namespace NUnit.Framework {
using System;
/// <summary>A set of Assert methods.</summary>
public class Assertion {
/// <summary>Protect constructor since it is a static only class</summary>
protected Assertion() {
}
/// <summary>Asserts that a condition is true. If it isn't it throws
/// an <see cref="AssertionFailedError"/>.</summary>
static public void Assert(string message, bool condition) {
if (!condition)
Fail(message);
}
/// <summary>Asserts that a condition is true. If it isn't it throws
/// an <see cref="AssertionFailedError"/>.</summary>
static public void Assert(bool condition) {
Assert(null, condition);
}
/// <summary>Asserts that two booleans are equal.</summary>
static public void AssertEquals(bool expected, bool actual) {
AssertEquals(null, expected, actual);
}
/// <summary>Asserts that two bytes are equal.</summary>
static public void AssertEquals(byte expected, byte actual) {
AssertEquals(null, expected, actual);
}
/// <summary>Asserts that two chars are equal.</summary>
static public void AssertEquals(char expected, char actual) {
AssertEquals(null, expected, actual);
}
/// <summary>Asserts that two doubles are equal concerning a delta. If the expected
/// value is infinity then the delta value is ignored.</summary>
static public void AssertEquals(double expected, double actual, double delta) {
AssertEquals(null, expected, actual, delta);
}
/// <summary>Asserts that two floats are equal concerning a delta. If the expected
/// value is infinity then the delta value is ignored.</summary>
static public void AssertEquals(float expected, float actual, float delta) {
AssertEquals(null, expected, actual, delta);
}
/// <summary>Asserts that two ints are equal.</summary>
static public void AssertEquals(int expected, int actual) {
AssertEquals(null, expected, actual);
}
/// <summary>Asserts that two longs are equal.</summary>
static public void AssertEquals(long expected, long actual) {
AssertEquals(null, expected, actual);
}
/// <summary>Asserts that two objects are equal. If they are not
/// an <see cref="AssertionFailedError"/> is thrown.</summary>
static public void AssertEquals(Object expected, Object actual) {
AssertEquals(null, expected, actual);
}
/// <summary>Asserts that two shorts are equal.</summary>
static public void AssertEquals(short expected, short actual) {
AssertEquals(null, expected, actual);
}
/// <summary>Asserts that two bools are equal.</summary>
static public void AssertEquals(string message, bool expected, bool actual) {
AssertEquals(message, (object)expected, (object)actual);
}
/// <summary>Asserts that two bytes are equal.</summary>
static public void AssertEquals(string message, byte expected, byte actual) {
AssertEquals(message, (object)expected, (object)actual);
}
/// <summary>Asserts that two chars are equal.</summary>
static public void AssertEquals(string message, char expected, char actual) {
AssertEquals(message, (object)expected, (object)actual);
}
/// <summary>Asserts that two doubles are equal concerning a delta. If the expected
/// value is infinity then the delta value is ignored.</summary>
static public void AssertEquals(string message, double expected,
double actual, double delta) {
// handle infinity specially since subtracting two infinite values gives NaN and the
// following test fails
if (double.IsInfinity(expected)) {
if (!(expected == actual))
FailNotEquals(message, expected, actual);
} else if (!(Math.Abs(expected-actual) <= delta))
FailNotEquals(message, expected, actual);
}
/// <summary>Asserts that two floats are equal concerning a delta. If the expected
/// value is infinity then the delta value is ignored.</summary>
static public void AssertEquals(string message, float expected,
float actual, float delta) {
// handle infinity specially since subtracting two infinite values gives NaN and the
// following test fails
if (double.IsInfinity(expected)) {
if (!(expected == actual))
FailNotEquals(message, expected, actual);
} else if (!(Math.Abs(expected-actual) <= delta))
FailNotEquals(message, expected, actual);
}
/// <summary>Asserts that two ints are equal.</summary>
static public void AssertEquals(string message, int expected, int actual) {
AssertEquals(message, (object)expected, (object)actual);
}
/// <summary>Asserts that two longs are equal.</summary>
static public void AssertEquals(string message, long expected, long actual) {
AssertEquals(message, (object)expected, (object)actual);
}
/// <summary>Asserts that two objects are equal. If they are not
/// an <see cref="AssertionFailedError"/> is thrown.</summary>
static public void AssertEquals(string message, Object expected,
Object actual) {
if (expected == null && actual == null)
return;
if (expected != null && expected.Equals(actual))
return;
FailNotEquals(message, expected, actual);
}
/// <summary>Asserts that two shorts are equal.</summary>
static public void AssertEquals(string message, short expected, short actual) {
AssertEquals(message, (object)expected, (object)actual);
}
/// <summary>Asserts that an object isn't null.</summary>
static public void AssertNotNull(Object anObject) {
AssertNotNull(null, anObject);
}
/// <summary>Asserts that an object isn't null.</summary>
static public void AssertNotNull(string message, Object anObject) {
Assert(message, anObject != null);
}
/// <summary>Asserts that an object is null.</summary>
static public void AssertNull(Object anObject) {
AssertNull(null, anObject);
}
/// <summary>Asserts that an object is null.</summary>
static public void AssertNull(string message, Object anObject) {
Assert(message, anObject == null);
}
/// <summary>Asserts that two objects refer to the same object. If they
/// are not the same an <see cref="AssertionFailedError"/> is thrown.
/// </summary>
static public void AssertSame(Object expected, Object actual) {
AssertSame(null, expected, actual);
}
/// <summary>Asserts that two objects refer to the same object.
/// If they are not an <see cref="AssertionFailedError"/> is thrown.
/// </summary>
static public void AssertSame(string message, Object expected,
Object actual) {
if (expected == actual)
return;
FailNotSame(message, expected, actual);
}
/// <summary>Fails a test with no message.</summary>
static public void Fail() {
Fail(null);
}
/// <summary>Fails a test with the given message.</summary>
static public void Fail(string message) {
if (message == null)
message = "";
throw new AssertionFailedError(message);
}
static private void FailNotEquals(string message, Object expected,
Object actual) {
string formatted= "";
if (message != null)
formatted= message+" ";
Fail(formatted+"expected:<"+expected+"> but was:<"+actual+">");
}
static private void FailNotSame(string message, Object expected, Object actual) {
string formatted= "";
if (message != null)
formatted= message+" ";
Fail(formatted+"expected same");
}
}
}
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