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module fluentasserts.core.operations.beNull;
import fluentasserts.core.results;
import fluentasserts.core.evaluation;
import fluentasserts.core.lifecycle;
import std.algorithm;
static immutable beNullDescription = "Asserts that the value is null.";
///
IResult[] beNull(ref Evaluation evaluation) @safe nothrow {
evaluation.message.addText(".");
auto result = evaluation.currentValue.typeNames.canFind("null") || evaluation.currentValue.strValue == "null";
if(evaluation.isNegated) {
result = !result;
}
if(result) {
return [];
}
IResult[] results = [];
try results ~= new ExpectedActualResult(
evaluation.isNegated ? "not null" : "null",
evaluation.currentValue.typeNames.length ? evaluation.currentValue.typeNames[0] : "unknown");
catch(Exception) {}
return results;
}