void Failure_Throws()
{
Func <string> lambda = () => { throw new TestException(); };
Try <string> fail = lambda.Try();
Assert.Throws <TestException>(() => fail.GetOrThrow());
Assert.Equal("TestException :)", fail.Convert((s) => "success? " + s, (e) => "TestException :)"));
Try <string> thend = fail.Then((succ) => succ);
Assert.Throws <TestException>(() => thend.GetOrThrow());
Assert.Equal("Fail", thend.Convert((s) => "succeeded", (e) => "Fail"));
Try <string> successThen = fail.Then((succ) => "S", (e) => "F");
Assert.Equal("F", successThen.GetOrThrow());
Try <string> kindaFail = fail.Then((succ) => "S", (e) => { throw new TestException2(); });
Assert.Throws <TestException2>(() => kindaFail.GetOrThrow());
}
void Success_Basic()
{
Func <string> lambda = () => "successful result.";
Try <string> succ = lambda.Try();
Assert.Equal("successful result.", succ.GetOrThrow());
Assert.Equal("successful result..", succ.Convert((s) => s + ".", (e) => "boo"));
Assert.Equal("successful result.", succ.Catch((Exception e) => "caught").GetOrThrow());
Assert.Equal("successful result.!", succ.Then((s) => s + "!").GetOrThrow());
Try <string> thend1 = succ.Then((s) => "S");
Assert.Equal("S", thend1.GetOrThrow());
Try <string> thend2 = succ.Then((s) => "S", (e) => "F");
Assert.Equal("S", thend2.GetOrThrow());
Try <string> failOnSuccess = succ.Then <string>((s) => { throw new TestException(); });
Assert.Throws <TestException>(() => failOnSuccess.GetOrThrow());
}
void Failure_Throws()
{
Failure <string> fail = new Failure <string>(new TestException());
Assert.Throws <TestException>(() => fail.GetOrThrow());
Assert.IsType <TestException>(fail.Exception);
Assert.Equal("TestException :)", fail.Convert((s) => "success? " + s, (e) => "TestException :)"));
Try <string> thend = fail.Then((succ) => succ);
Assert.Throws <TestException>(() => thend.GetOrThrow());
Assert.Equal("Fail", thend.Convert((s) => "succeeded", (e) => "Fail"));
Try <string> successThen = fail.Then((succ) => "S", (e) => "F");
Assert.Equal("F", successThen.GetOrThrow());
Assert.IsType <Success <string> >(successThen);
Try <string> kindaFail = fail.Then((succ) => "S", (e) => { throw new TestException2(); });
Assert.Throws <TestException2>(() => kindaFail.GetOrThrow());
}
