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-rw-r--r--llvm/unittests/ADT/ArrayRefTest.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/unittests/ADT/ArrayRefTest.cpp b/llvm/unittests/ADT/ArrayRefTest.cpp
index 293afc6ea37..83a012d0cb1 100644
--- a/llvm/unittests/ADT/ArrayRefTest.cpp
+++ b/llvm/unittests/ADT/ArrayRefTest.cpp
@@ -36,5 +36,27 @@ TEST(ArrayRefTest, DropBack) {
EXPECT_TRUE(AR1.drop_back().equals(AR2));
}
+TEST(ArrayRefTest, Equals) {
+ static const int A1[] = {1, 2, 3, 4, 5, 6, 7, 8};
+ ArrayRef<int> AR1(A1);
+ EXPECT_TRUE(AR1.equals(1, 2, 3, 4, 5, 6, 7, 8));
+ EXPECT_FALSE(AR1.equals(8, 1, 2, 4, 5, 6, 6, 7));
+ EXPECT_FALSE(AR1.equals(2, 4, 5, 6, 6, 7, 8, 1));
+ EXPECT_FALSE(AR1.equals(0, 1, 2, 4, 5, 6, 6, 7));
+ EXPECT_FALSE(AR1.equals(1, 2, 42, 4, 5, 6, 7, 8));
+ EXPECT_FALSE(AR1.equals(42, 2, 3, 4, 5, 6, 7, 8));
+ EXPECT_FALSE(AR1.equals(1, 2, 3, 4, 5, 6, 7, 42));
+ EXPECT_FALSE(AR1.equals(1, 2, 3, 4, 5, 6, 7));
+ EXPECT_FALSE(AR1.equals(1, 2, 3, 4, 5, 6, 7, 8, 9));
+
+ ArrayRef<int> AR1a = AR1.drop_back();
+ EXPECT_TRUE(AR1a.equals(1, 2, 3, 4, 5, 6, 7));
+ EXPECT_FALSE(AR1a.equals(1, 2, 3, 4, 5, 6, 7, 8));
+
+ ArrayRef<int> AR1b = AR1a.slice(2, 4);
+ EXPECT_TRUE(AR1b.equals(3, 4, 5, 6));
+ EXPECT_FALSE(AR1b.equals(2, 3, 4, 5, 6));
+ EXPECT_FALSE(AR1b.equals(3, 4, 5, 6, 7));
+}
} // end anonymous namespace
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