assertNotThrown

Asserts that the given expression does not throw the given type of Throwable. If a Throwable of the given type is thrown, it is caught and does not escape assertNotThrown. Rather, an AssertError is thrown. However, any other Throwables will escape.

auto

assertNotThrown

(

T : Throwable = Exception

)

(

lazy E expression

string msg = null

string file = __FILE__

size_t line = __LINE__

)

Parameters

T: The Throwable to test for.
expression E: The expression to test.
msg string: Optional message to output on test failure. If msg is empty, and the thrown exception has a non-empty msg field, the exception's msg field will be output on test failure.
file string: The file where the error occurred. Defaults to __FILE__.
line size_t: The line where the error occurred. Defaults to __LINE__.

Return Value

Type: auto

the result of expression.

Throws

AssertError if the given Throwable is thrown.

Examples

import core.exception : AssertError;

import std.string;
assertNotThrown!StringException(enforce!StringException(true, "Error!"));

//Exception is the default.
assertNotThrown(enforce!StringException(true, "Error!"));

assert(collectExceptionMsg!AssertError(assertNotThrown!StringException(
           enforce!StringException(false, "Error!"))) ==
       `assertNotThrown failed: StringException was thrown: Error!`);

assertNotThrown

Parameters

Return Value

Throws

Examples

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