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Start fixing up Matchers: namespaces, composition ops

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This commit also forbids composing lvalues of composed matchers, as
per previous deprecation notice. I do not expect this to be contentious
in practice, because there was a bug in that usage for years, and
nobody complained.
This commit is contained in:
Martin Hořeňovský
2020-02-18 23:31:16 +01:00
parent a1be19aa1b
commit cf6575576f
22 changed files with 230 additions and 296 deletions
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2
tests/SelfTest/UsageTests/Compilation.tests.cpp
View File

@@ -79,7 +79,7 @@ namespace { namespace CompilationTests {
REQUIRE_THROWS(throws_int(true));
CHECK_THROWS_AS(throws_int(true), int);
REQUIRE_NOTHROW(throws_int(false));
REQUIRE_THAT("aaa", Catch::EndsWith("aaa"));
REQUIRE_THAT("aaa", Catch::Matchers::EndsWith("aaa"));
return true;
}

52
tests/SelfTest/UsageTests/Matchers.tests.cpp
View File

@@ -78,7 +78,7 @@ namespace { namespace MatchersTests {
throw DerivedException{};
}
class ExceptionMatcher : public Catch::MatcherBase<SpecialException> {
class ExceptionMatcher : public Catch::Matchers::MatcherBase<SpecialException> {
int m_expected;
public:
ExceptionMatcher(int i) : m_expected(i) {}
@@ -556,19 +556,8 @@ namespace { namespace MatchersTests {
REQUIRE_THROWS_MATCHES(throwsSpecialException(2), SpecialException, Message("SpecialException::what"));
}
TEST_CASE("Composed matchers are distinct", "[matchers][composed]") {
auto m1 = Contains("string");
auto m2 = Contains("random");
auto composed1 = m1 || m2;
auto m3 = Contains("different");
auto composed2 = composed1 || m3;
REQUIRE_THAT(testStringForMatching2(), !composed1);
REQUIRE_THAT(testStringForMatching2(), composed2);
}
template<typename Range>
struct EqualsRangeMatcher : Catch::MatcherGenericBase {
struct EqualsRangeMatcher : Catch::Matchers::MatcherGenericBase {
EqualsRangeMatcher(Range const& range) : range{ range } {}
@@ -604,7 +593,6 @@ namespace { namespace MatchersTests {
}
TEST_CASE("Combining templated and concrete matchers", "[matchers][templated]") {
using namespace Catch::Matchers;
std::vector<int> vec{ 1, 3, 5 };
std::array<int, 3> a{{ 5, 3, 1 }};
@@ -640,28 +628,28 @@ namespace { namespace MatchersTests {
STATIC_REQUIRE(std::is_same<
decltype(StartsWith("foo") || (StartsWith("bar") && EndsWith("bar") && !EndsWith("foo"))),
Catch::Matchers::Impl::MatchAnyOf<std::string>
Catch::Matchers::Detail::MatchAnyOf<std::string>
>::value);
}
struct MatcherA : Catch::MatcherGenericBase {
struct MatcherA : Catch::Matchers::MatcherGenericBase {
std::string describe() const override { return "equals: (int) 1 or (float) 1.0f"; }
bool match(int i) const { return i == 1; }
bool match(float f) const { return f == 1.0f; }
};
struct MatcherB : Catch::MatcherGenericBase {
struct MatcherB : Catch::Matchers::MatcherGenericBase {
std::string describe() const override { return "equals: (long long) 1"; }
bool match(long long l) const { return l == 1ll; }
};
struct MatcherC : Catch::MatcherGenericBase {
struct MatcherC : Catch::Matchers::MatcherGenericBase {
std::string describe() const override { return "equals: (T) 1"; }
template<typename T>
bool match(T t) const { return t == T{1}; }
};
struct MatcherD : Catch::MatcherGenericBase {
struct MatcherD : Catch::Matchers::MatcherGenericBase {
std::string describe() const override { return "equals: true"; }
bool match(bool b) const { return b == true; }
};
@@ -669,21 +657,21 @@ namespace { namespace MatchersTests {
TEST_CASE("Combining only templated matchers", "[matchers][templated]") {
STATIC_REQUIRE(std::is_same<
decltype(MatcherA() || MatcherB()),
Catch::Matchers::Impl::MatchAnyOfGeneric<MatcherA, MatcherB>
Catch::Matchers::Detail::MatchAnyOfGeneric<MatcherA, MatcherB>
>::value);
REQUIRE_THAT(1, MatcherA() || MatcherB());
STATIC_REQUIRE(std::is_same<
decltype(MatcherA() && MatcherB()),
Catch::Matchers::Impl::MatchAllOfGeneric<MatcherA, MatcherB>
Catch::Matchers::Detail::MatchAllOfGeneric<MatcherA, MatcherB>
>::value);
REQUIRE_THAT(1, MatcherA() && MatcherB());
STATIC_REQUIRE(std::is_same<
decltype(MatcherA() || !MatcherB()),
Catch::Matchers::Impl::MatchAnyOfGeneric<MatcherA, Catch::Matchers::Impl::MatchNotOfGeneric<MatcherB>>
Catch::Matchers::Detail::MatchAnyOfGeneric<MatcherA, Catch::Matchers::Detail::MatchNotOfGeneric<MatcherB>>
>::value);
REQUIRE_THAT(1, MatcherA() || !MatcherB());
@@ -692,14 +680,14 @@ namespace { namespace MatchersTests {
TEST_CASE("Combining MatchAnyOfGeneric does not nest", "[matchers][templated]") {
STATIC_REQUIRE(std::is_same<
decltype(MatcherA() || MatcherB() || MatcherC()),
Catch::Matchers::Impl::MatchAnyOfGeneric<MatcherA, MatcherB, MatcherC>
Catch::Matchers::Detail::MatchAnyOfGeneric<MatcherA, MatcherB, MatcherC>
>::value);
REQUIRE_THAT(1, MatcherA() || MatcherB() || MatcherC());
STATIC_REQUIRE(std::is_same<
decltype(MatcherA() || MatcherB() || MatcherC() || MatcherD()),
Catch::Matchers::Impl::MatchAnyOfGeneric<MatcherA, MatcherB, MatcherC, MatcherD>
Catch::Matchers::Detail::MatchAnyOfGeneric<MatcherA, MatcherB, MatcherC, MatcherD>
>::value);
REQUIRE_THAT(1, MatcherA() || MatcherB() || MatcherC() || MatcherD());
@@ -708,14 +696,14 @@ namespace { namespace MatchersTests {
TEST_CASE("Combining MatchAllOfGeneric does not nest", "[matchers][templated]") {
STATIC_REQUIRE(std::is_same<
decltype(MatcherA() && MatcherB() && MatcherC()),
Catch::Matchers::Impl::MatchAllOfGeneric<MatcherA, MatcherB, MatcherC>
Catch::Matchers::Detail::MatchAllOfGeneric<MatcherA, MatcherB, MatcherC>
>::value);
REQUIRE_THAT(1, MatcherA() && MatcherB() && MatcherC());
STATIC_REQUIRE(std::is_same<
decltype(MatcherA() && MatcherB() && MatcherC() && MatcherD()),
Catch::Matchers::Impl::MatchAllOfGeneric<MatcherA, MatcherB, MatcherC, MatcherD>
Catch::Matchers::Detail::MatchAllOfGeneric<MatcherA, MatcherB, MatcherC, MatcherD>
>::value);
REQUIRE_THAT(1, MatcherA() && MatcherB() && MatcherC() && MatcherD());
@@ -724,7 +712,7 @@ namespace { namespace MatchersTests {
TEST_CASE("Combining MatchNotOfGeneric does not nest", "[matchers][templated]") {
STATIC_REQUIRE(std::is_same<
decltype(!MatcherA()),
Catch::Matchers::Impl::MatchNotOfGeneric<MatcherA>
Catch::Matchers::Detail::MatchNotOfGeneric<MatcherA>
>::value);
REQUIRE_THAT(0, !MatcherA());
@@ -738,7 +726,7 @@ namespace { namespace MatchersTests {
STATIC_REQUIRE(std::is_same<
decltype(!!!MatcherA()),
Catch::Matchers::Impl::MatchNotOfGeneric<MatcherA>
Catch::Matchers::Detail::MatchNotOfGeneric<MatcherA>
>::value);
REQUIRE_THAT(0, !!!MatcherA());
@@ -765,7 +753,7 @@ namespace { namespace MatchersTests {
}
};
struct EvilMatcher : Catch::MatcherGenericBase {
struct EvilMatcher : Catch::Matchers::MatcherGenericBase {
std::string describe() const override {
return "equals: 45";
}
@@ -790,7 +778,7 @@ namespace { namespace MatchersTests {
REQUIRE_NOTHROW((EvilMatcher() && EvilMatcher()) || !EvilMatcher());
}
struct ImmovableMatcher : Catch::MatcherGenericBase {
struct ImmovableMatcher : Catch::Matchers::MatcherGenericBase {
ImmovableMatcher() = default;
ImmovableMatcher(ImmovableMatcher const&) = delete;
ImmovableMatcher(ImmovableMatcher &&) = delete;
@@ -814,7 +802,7 @@ namespace { namespace MatchersTests {
}
};
struct ThrowOnCopyOrMoveMatcher : Catch::MatcherGenericBase {
struct ThrowOnCopyOrMoveMatcher : Catch::Matchers::MatcherGenericBase {
ThrowOnCopyOrMoveMatcher() = default;
[[noreturn]]
ThrowOnCopyOrMoveMatcher(ThrowOnCopyOrMoveMatcher const&) {
@@ -849,7 +837,7 @@ namespace { namespace MatchersTests {
REQUIRE_THAT(123, (ImmovableMatcher() && ImmovableMatcher()) || !ImmovableMatcher());
}
struct ReferencingMatcher : Catch::MatcherGenericBase {
struct ReferencingMatcher : Catch::Matchers::MatcherGenericBase {
std::string describe() const override {
return "takes reference";
}