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IncorrectConstruction

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This commit is contained in:
Henry Fredrick Schreiner 2017-03-08 09:34:08 -05:00
parent 2af5577b39
commit 58655472f7
2 changed files with 50 additions and 1 deletions
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4
include/CLI/Option.hpp
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@ -154,7 +154,9 @@ public:
Option* expected(int value) {
if(value == 0)
throw IncorrectConstruction("Cannot set 0 expected, use a flag instead");
if(!allow_vector_ && value != 1)
else if(expected_ == 0)
throw IncorrectConstruction("Cannot make a flag take arguments!");
else if(!allow_vector_ && value != 1)
throw IncorrectConstruction("You can only change the Expected arguments for vectors");
expected_ = value;
return this;

47
tests/CreationTest.cpp
View File

@ -74,3 +74,50 @@ TEST_F(TApp, MultipleSubcomNoMatchingInplace2) {
EXPECT_NO_THROW(first->ignore_case());
EXPECT_NO_THROW(second->ignore_case());
}
TEST_F(TApp, IncorrectConstructionFlagPositional1) {
EXPECT_THROW(app.add_flag("cat"), CLI::IncorrectConstruction);
}
TEST_F(TApp, IncorrectConstructionFlagPositional2) {
int x;
EXPECT_THROW(app.add_flag("cat", x), CLI::IncorrectConstruction);
}
TEST_F(TApp, IncorrectConstructionFlagPositional3) {
bool x;
EXPECT_THROW(app.add_flag("cat", x), CLI::IncorrectConstruction);
}
TEST_F(TApp, IncorrectConstructionFlagExpected) {
auto cat = app.add_flag("--cat");
EXPECT_THROW(cat->expected(1), CLI::IncorrectConstruction);
}
TEST_F(TApp, IncorrectConstructionOptionAsFlag) {
int x;
auto cat = app.add_option("--cat", x);
EXPECT_THROW(cat->expected(0), CLI::IncorrectConstruction);
}
TEST_F(TApp, IncorrectConstructionOptionAsVector) {
int x;
auto cat = app.add_option("--cat", x);
EXPECT_THROW(cat->expected(2), CLI::IncorrectConstruction);
}
TEST_F(TApp, IncorrectConstructionVectorAsFlag) {
std::vector<int> x;
auto cat = app.add_option("--cat", x);
EXPECT_THROW(cat->expected(0), CLI::IncorrectConstruction);
}
TEST_F(TApp, IncorrectConstructionRequiresCannotFind) {
auto cat = app.add_flag("--cat");
EXPECT_THROW(cat->requires("--nothing"),CLI::IncorrectConstruction);
}
TEST_F(TApp, IncorrectConstructionExcludesCannotFind) {
auto cat = app.add_flag("--cat");
EXPECT_THROW(cat->excludes("--nothing"),CLI::IncorrectConstruction);
}