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-rw-r--r--libcxx/test/utilities/template.bitset/bitset.members/left_shift_eq.pass.cpp54
1 files changed, 53 insertions, 1 deletions
diff --git a/libcxx/test/utilities/template.bitset/bitset.members/left_shift_eq.pass.cpp b/libcxx/test/utilities/template.bitset/bitset.members/left_shift_eq.pass.cpp
index 8ea0981c525..340921db5d0 100644
--- a/libcxx/test/utilities/template.bitset/bitset.members/left_shift_eq.pass.cpp
+++ b/libcxx/test/utilities/template.bitset/bitset.members/left_shift_eq.pass.cpp
@@ -1 +1,53 @@
-//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // test bitset<N>& operator<<=(size_t pos); #include <bitset> #include <cstdlib> #include <cassert> template <std::size_t N> std::bitset<N> make_bitset() { std::bitset<N> v; for (std::size_t i = 0; i < N; ++i) v[i] = static_cast<bool>(std::rand() & 1); return v; } template <std::size_t N> void test_left_shift() { for (std::size_t s = 0; s <= N+1; ++s) { std::bitset<N> v1 = make_bitset<N>(); std::bitset<N> v2 = v1; v1 <<= s; for (std::size_t i = 0; i < N; ++i) if (i < s) assert(v1[i] == 0); else assert(v1[i] == v2[i-s]); } } int main() { test_left_shift<0>(); test_left_shift<1>(); test_left_shift<31>(); test_left_shift<32>(); test_left_shift<33>(); test_left_shift<63>(); test_left_shift<64>(); test_left_shift<65>(); test_left_shift<1000>(); } \ No newline at end of file
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test bitset<N>& operator<<=(size_t pos);
+
+#include <bitset>
+#include <cstdlib>
+#include <cassert>
+
+template <std::size_t N>
+std::bitset<N>
+make_bitset()
+{
+ std::bitset<N> v;
+ for (std::size_t i = 0; i < N; ++i)
+ v[i] = static_cast<bool>(std::rand() & 1);
+ return v;
+}
+
+template <std::size_t N>
+void test_left_shift()
+{
+ for (std::size_t s = 0; s <= N+1; ++s)
+ {
+ std::bitset<N> v1 = make_bitset<N>();
+ std::bitset<N> v2 = v1;
+ v1 <<= s;
+ for (std::size_t i = 0; i < N; ++i)
+ if (i < s)
+ assert(v1[i] == 0);
+ else
+ assert(v1[i] == v2[i-s]);
+ }
+}
+
+int main()
+{
+ test_left_shift<0>();
+ test_left_shift<1>();
+ test_left_shift<31>();
+ test_left_shift<32>();
+ test_left_shift<33>();
+ test_left_shift<63>();
+ test_left_shift<64>();
+ test_left_shift<65>();
+ test_left_shift<1000>();
+}
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