shouldBeEmpty

Used to assert that Range is empty.

void shouldBeEmpty(in auto ref R rng, in string message = null, in string file = __FILE__, in size_t line = __LINE__)
void
shouldBeEmpty
(
R
)
(
in auto ref R rng
,
in string message = null
,
in string file = __FILE__
,
in size_t line = __LINE__
)
if (
isInputRange!R
)
void shouldBeEmpty(auto ref T aa, in string message = null, in string file = __FILE__, in size_t line = __LINE__)

Parameters

rng: Type: R
The expected Range.
message: Type: string
Exception message.
file: Type: string
The file name that the assert failed in. Should be left as default.
line: Type: size_t
The file line that the assert failed in. Should be left as default.

Throws

If the Range is not empty, will throw an UnitTestException with expected and actual values.

Examples

// Will throw an exception like "UnitTestException@example.d(6): Expected empty Range, but got <[1]>"
[1].shouldBeEmpty();

Meta

Source

See Implementation