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authorpatrick <patrick@openbsd.org>2017-01-14 19:55:43 +0000
committerpatrick <patrick@openbsd.org>2017-01-14 19:55:43 +0000
commitbd3306aecb3a15e8967143b8cdbbccf2b1b19b74 (patch)
tree309a8132b44564b9e634c0da6815187ce8eab27c /gnu/llvm/unittests/ADT/PointerEmbeddedIntTest.cpp
parentkillp -a should not kill the window if only one pane. (diff)
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Import LLVM 3.9.1 including clang and lld.
Diffstat (limited to 'gnu/llvm/unittests/ADT/PointerEmbeddedIntTest.cpp')
-rw-r--r--gnu/llvm/unittests/ADT/PointerEmbeddedIntTest.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/gnu/llvm/unittests/ADT/PointerEmbeddedIntTest.cpp b/gnu/llvm/unittests/ADT/PointerEmbeddedIntTest.cpp
index b10365a2f61..9c27f8ee655 100644
--- a/gnu/llvm/unittests/ADT/PointerEmbeddedIntTest.cpp
+++ b/gnu/llvm/unittests/ADT/PointerEmbeddedIntTest.cpp
@@ -43,4 +43,38 @@ TEST(PointerEmbeddedIntTest, Basic) {
EXPECT_FALSE(42 >= J);
}
+TEST(PointerEmbeddedIntTest, intptr_t) {
+ PointerEmbeddedInt<intptr_t, CHAR_BIT> IPos = 42, INeg = -42;
+ EXPECT_EQ(42, IPos);
+ EXPECT_EQ(-42, INeg);
+
+ PointerEmbeddedInt<uintptr_t, CHAR_BIT> U = 42, USaturated = 255;
+ EXPECT_EQ(42U, U);
+ EXPECT_EQ(255U, USaturated);
+
+ PointerEmbeddedInt<intptr_t, std::numeric_limits<intptr_t>::digits>
+ IMax = std::numeric_limits<intptr_t>::max() >> 1,
+ IMin = std::numeric_limits<intptr_t>::min() >> 1;
+ EXPECT_EQ(std::numeric_limits<intptr_t>::max() >> 1, IMax);
+ EXPECT_EQ(std::numeric_limits<intptr_t>::min() >> 1, IMin);
+
+ PointerEmbeddedInt<uintptr_t, std::numeric_limits<uintptr_t>::digits - 1>
+ UMax = std::numeric_limits<uintptr_t>::max() >> 1,
+ UMin = std::numeric_limits<uintptr_t>::min() >> 1;
+ EXPECT_EQ(std::numeric_limits<uintptr_t>::max() >> 1, UMax);
+ EXPECT_EQ(std::numeric_limits<uintptr_t>::min() >> 1, UMin);
+}
+
+TEST(PointerEmbeddedIntTest, PointerLikeTypeTraits) {
+ PointerEmbeddedInt<int, CHAR_BIT> I = 42;
+ using ITraits = PointerLikeTypeTraits<decltype(I)>;
+ EXPECT_EQ(42, ITraits::getFromVoidPointer(ITraits::getAsVoidPointer(I)));
+
+ PointerEmbeddedInt<uintptr_t, std::numeric_limits<uintptr_t>::digits - 1>
+ Max = std::numeric_limits<uintptr_t>::max() >> 1;
+ using MaxTraits = PointerLikeTypeTraits<decltype(Max)>;
+ EXPECT_EQ(std::numeric_limits<uintptr_t>::max() >> 1,
+ MaxTraits::getFromVoidPointer(MaxTraits::getAsVoidPointer(Max)));
+}
+
} // end anonymous namespace