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-rw-r--r--libcxx/test/std/language.support/support.limits/limits/numeric.limits/default.pass.cpp83
1 files changed, 83 insertions, 0 deletions
diff --git a/libcxx/test/std/language.support/support.limits/limits/numeric.limits/default.pass.cpp b/libcxx/test/std/language.support/support.limits/limits/numeric.limits/default.pass.cpp
new file mode 100644
index 00000000000..6cf5681d82b
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+++ b/libcxx/test/std/language.support/support.limits/limits/numeric.limits/default.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test numeric_limits
+
+// The default numeric_limits<T> template shall have all members, but with
+// 0 or false values.
+
+#include <limits>
+#include <cassert>
+
+struct A
+{
+ A(int i = 0) : data_(i) {}
+ int data_;
+};
+
+bool operator == (const A& x, const A& y) {return x.data_ == y.data_;}
+
+int main()
+{
+ static_assert(std::numeric_limits<A>::is_specialized == false,
+ "std::numeric_limits<A>::is_specialized == false");
+ assert(std::numeric_limits<A>::min() == A());
+ assert(std::numeric_limits<A>::max() == A());
+ assert(std::numeric_limits<A>::lowest() == A());
+ static_assert(std::numeric_limits<A>::digits == 0,
+ "std::numeric_limits<A>::digits == 0");
+ static_assert(std::numeric_limits<A>::digits10 == 0,
+ "std::numeric_limits<A>::digits10 == 0");
+ static_assert(std::numeric_limits<A>::max_digits10 == 0,
+ "std::numeric_limits<A>::max_digits10 == 0");
+ static_assert(std::numeric_limits<A>::is_signed == false,
+ "std::numeric_limits<A>::is_signed == false");
+ static_assert(std::numeric_limits<A>::is_integer == false,
+ "std::numeric_limits<A>::is_integer == false");
+ static_assert(std::numeric_limits<A>::is_exact == false,
+ "std::numeric_limits<A>::is_exact == false");
+ static_assert(std::numeric_limits<A>::radix == 0,
+ "std::numeric_limits<A>::radix == 0");
+ assert(std::numeric_limits<A>::epsilon() == A());
+ assert(std::numeric_limits<A>::round_error() == A());
+ static_assert(std::numeric_limits<A>::min_exponent == 0,
+ "std::numeric_limits<A>::min_exponent == 0");
+ static_assert(std::numeric_limits<A>::min_exponent10 == 0,
+ "std::numeric_limits<A>::min_exponent10 == 0");
+ static_assert(std::numeric_limits<A>::max_exponent == 0,
+ "std::numeric_limits<A>::max_exponent == 0");
+ static_assert(std::numeric_limits<A>::max_exponent10 == 0,
+ "std::numeric_limits<A>::max_exponent10 == 0");
+ static_assert(std::numeric_limits<A>::has_infinity == false,
+ "std::numeric_limits<A>::has_infinity == false");
+ static_assert(std::numeric_limits<A>::has_quiet_NaN == false,
+ "std::numeric_limits<A>::has_quiet_NaN == false");
+ static_assert(std::numeric_limits<A>::has_signaling_NaN == false,
+ "std::numeric_limits<A>::has_signaling_NaN == false");
+ static_assert(std::numeric_limits<A>::has_denorm == std::denorm_absent,
+ "std::numeric_limits<A>::has_denorm == std::denorm_absent");
+ static_assert(std::numeric_limits<A>::has_denorm_loss == false,
+ "std::numeric_limits<A>::has_denorm_loss == false");
+ assert(std::numeric_limits<A>::infinity() == A());
+ assert(std::numeric_limits<A>::quiet_NaN() == A());
+ assert(std::numeric_limits<A>::signaling_NaN() == A());
+ assert(std::numeric_limits<A>::denorm_min() == A());
+ static_assert(std::numeric_limits<A>::is_iec559 == false,
+ "std::numeric_limits<A>::is_iec559 == false");
+ static_assert(std::numeric_limits<A>::is_bounded == false,
+ "std::numeric_limits<A>::is_bounded == false");
+ static_assert(std::numeric_limits<A>::is_modulo == false,
+ "std::numeric_limits<A>::is_modulo == false");
+ static_assert(std::numeric_limits<A>::traps == false,
+ "std::numeric_limits<A>::traps == false");
+ static_assert(std::numeric_limits<A>::tinyness_before == false,
+ "std::numeric_limits<A>::tinyness_before == false");
+ static_assert(std::numeric_limits<A>::round_style == std::round_toward_zero,
+ "std::numeric_limits<A>::round_style == std::round_toward_zero");
+}
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