git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119871
91177308-0d34-0410-b5e6-
96231b3b80d8
if (!branched()) {
assert(rootOffset && "Cannot decrement begin()");
--rootOffset;
- } else if (treeLeafOffset())
+ } else if (valid() && treeLeafOffset())
--treeLeafOffset();
else
treeDecrement();
EXPECT_FALSE(I.valid());
EXPECT_TRUE(I == map.end());
+ // Backwards iteration.
+ for (unsigned i = 99; i; --i) {
+ --I;
+ ASSERT_TRUE(I.valid());
+ EXPECT_EQ(10*i, I.start());
+ EXPECT_EQ(10*i+5, I.stop());
+ EXPECT_EQ(i, *I);
+ }
+ EXPECT_TRUE(I == map.begin());
+
}
} // namespace