Rooting out more undefined behavior in char_traits.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@229119 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign3.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign3.pass.cpp
index 2b19299..a4a0e29 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign3.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign3.pass.cpp
@@ -24,4 +24,5 @@
assert(s2[0] == char(5));
assert(s2[1] == char(5));
assert(s2[2] == char(5));
+ assert(std::char_traits<char>::assign(NULL, 0, char(5)) == NULL);
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp
index e57a677..179df9e 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp
@@ -24,4 +24,6 @@
assert(s2[0] == char(1));
assert(s2[1] == char(2));
assert(s2[2] == char(3));
+ assert(std::char_traits<char>::copy(NULL, s1, 0) == NULL);
+ assert(std::char_traits<char>::copy(s1, NULL, 0) == s1);
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/find.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/find.pass.cpp
index 816b358..a640af2 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/find.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/find.pass.cpp
@@ -24,4 +24,5 @@
assert(std::char_traits<char>::find(s1, 3, char(3)) == s1+2);
assert(std::char_traits<char>::find(s1, 3, char(4)) == 0);
assert(std::char_traits<char>::find(s1, 3, char(0)) == 0);
+ assert(std::char_traits<char>::find(NULL, 0, char(0)) == 0);
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/move.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/move.pass.cpp
index 691b28d..67f0216 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/move.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/move.pass.cpp
@@ -28,4 +28,6 @@
assert(s1[0] == char(2));
assert(s1[1] == char(2));
assert(s1[2] == char(3));
+ assert(std::char_traits<char>::move(NULL, s1, 0) == NULL);
+ assert(std::char_traits<char>::move(s1, NULL, 0) == s1);
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign3.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign3.pass.cpp
index 4d53439..fc1ba6e 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign3.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign3.pass.cpp
@@ -25,5 +25,6 @@
assert(s2[0] == char16_t(5));
assert(s2[1] == char16_t(5));
assert(s2[2] == char16_t(5));
+ assert(std::char_traits<char16_t>::assign(NULL, 0, char16_t(5)) == NULL);
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/copy.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/copy.pass.cpp
index 1ef4463..4f66d2c 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/copy.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/copy.pass.cpp
@@ -25,5 +25,7 @@
assert(s2[0] == char16_t(1));
assert(s2[1] == char16_t(2));
assert(s2[2] == char16_t(3));
+ assert(std::char_traits<char16_t>::copy(NULL, s1, 0) == NULL);
+ assert(std::char_traits<char16_t>::copy(s1, NULL, 0) == s1);
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/find.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/find.pass.cpp
index 0952d5a..22db05b 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/find.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/find.pass.cpp
@@ -25,5 +25,6 @@
assert(std::char_traits<char16_t>::find(s1, 3, char16_t(3)) == s1+2);
assert(std::char_traits<char16_t>::find(s1, 3, char16_t(4)) == 0);
assert(std::char_traits<char16_t>::find(s1, 3, char16_t(0)) == 0);
+ assert(std::char_traits<char16_t>::find(NULL, 0, char16_t(0)) == 0);
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/move.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/move.pass.cpp
index 1839b91..b2ae804 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/move.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/move.pass.cpp
@@ -29,5 +29,7 @@
assert(s1[0] == char16_t(2));
assert(s1[1] == char16_t(2));
assert(s1[2] == char16_t(3));
+ assert(std::char_traits<char16_t>::move(NULL, s1, 0) == NULL);
+ assert(std::char_traits<char16_t>::move(s1, NULL, 0) == s1);
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/assign3.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/assign3.pass.cpp
index cce0420..0c31ea7 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/assign3.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/assign3.pass.cpp
@@ -25,5 +25,6 @@
assert(s2[0] == char32_t(5));
assert(s2[1] == char32_t(5));
assert(s2[2] == char32_t(5));
+ assert(std::char_traits<char32_t>::assign(NULL, 0, char32_t(5)) == NULL);
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/copy.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/copy.pass.cpp
index 5f23514..89c2225 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/copy.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/copy.pass.cpp
@@ -25,5 +25,7 @@
assert(s2[0] == char32_t(1));
assert(s2[1] == char32_t(2));
assert(s2[2] == char32_t(3));
+ assert(std::char_traits<char32_t>::copy(NULL, s1, 0) == NULL);
+ assert(std::char_traits<char32_t>::copy(s1, NULL, 0) == s1);
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/find.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/find.pass.cpp
index 148fc0c..d0b1799 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/find.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/find.pass.cpp
@@ -25,5 +25,6 @@
assert(std::char_traits<char32_t>::find(s1, 3, char32_t(3)) == s1+2);
assert(std::char_traits<char32_t>::find(s1, 3, char32_t(4)) == 0);
assert(std::char_traits<char32_t>::find(s1, 3, char32_t(0)) == 0);
+ assert(std::char_traits<char32_t>::find(NULL, 0, char32_t(0)) == 0);
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/move.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/move.pass.cpp
index 6fbc6d9..8641525 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/move.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/move.pass.cpp
@@ -29,5 +29,7 @@
assert(s1[0] == char32_t(2));
assert(s1[1] == char32_t(2));
assert(s1[2] == char32_t(3));
+ assert(std::char_traits<char32_t>::move(NULL, s1, 0) == NULL);
+ assert(std::char_traits<char32_t>::move(s1, NULL, 0) == s1);
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/assign3.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/assign3.pass.cpp
index 4c5ff47..2a00fe0 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/assign3.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/assign3.pass.cpp
@@ -24,4 +24,5 @@
assert(s2[0] == wchar_t(5));
assert(s2[1] == wchar_t(5));
assert(s2[2] == wchar_t(5));
+ assert(std::char_traits<wchar_t>::assign(NULL, 0, wchar_t(5)) == NULL);
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/copy.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/copy.pass.cpp
index 71ed6fb..f6d254f 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/copy.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/copy.pass.cpp
@@ -24,4 +24,6 @@
assert(s2[0] == wchar_t(1));
assert(s2[1] == wchar_t(2));
assert(s2[2] == wchar_t(3));
+ assert(std::char_traits<wchar_t>::copy(NULL, s1, 0) == NULL);
+ assert(std::char_traits<wchar_t>::copy(s1, NULL, 0) == s1);
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/find.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/find.pass.cpp
index 4975739..ead3f32 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/find.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/find.pass.cpp
@@ -24,4 +24,5 @@
assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(3)) == s1+2);
assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(4)) == 0);
assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(0)) == 0);
+ assert(std::char_traits<wchar_t>::find(NULL, 0, wchar_t(0)) == 0);
}
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/move.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/move.pass.cpp
index f19fa93..0d80446 100644
--- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/move.pass.cpp
+++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/move.pass.cpp
@@ -28,4 +28,6 @@
assert(s1[0] == wchar_t(2));
assert(s1[1] == wchar_t(2));
assert(s1[2] == wchar_t(3));
+ assert(std::char_traits<wchar_t>::move(NULL, s1, 0) == NULL);
+ assert(std::char_traits<wchar_t>::move(s1, NULL, 0) == s1);
}
