Add B+-tree test case that creates a height 3 tree with a smaller root node.

Change temporary debugging code to write a dot file directly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120171 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2010-11-26 06:54:20 +00:00
parent bf77baf19c
commit 53bb5c009b
2 changed files with 81 additions and 16 deletions

View File

@ -15,6 +15,7 @@ using namespace llvm;
namespace {
typedef IntervalMap<unsigned, unsigned> UUMap;
typedef IntervalMap<unsigned, unsigned, 4> UU4Map;
// Empty map tests
TEST(IntervalMapTest, EmptyMap) {
@ -373,4 +374,54 @@ TEST(IntervalMapTest, Branched) {
EXPECT_TRUE(map.begin() == map.end());
}
// Branched, high, non-coalescing tests.
TEST(IntervalMapTest, Branched2) {
UU4Map::Allocator allocator;
UU4Map map(allocator);
// Insert enough intervals to force a height >= 2 tree.
for (unsigned i = 1; i < 1000; ++i)
map.insert(10*i, 10*i+5, i);
// Tree limits.
EXPECT_FALSE(map.empty());
EXPECT_EQ(10u, map.start());
EXPECT_EQ(9995u, map.stop());
// Tree lookup.
for (unsigned i = 1; i < 1000; ++i) {
EXPECT_EQ(0u, map.lookup(10*i-1));
EXPECT_EQ(i, map.lookup(10*i));
EXPECT_EQ(i, map.lookup(10*i+5));
EXPECT_EQ(0u, map.lookup(10*i+6));
}
// Forward iteration.
UU4Map::iterator I = map.begin();
for (unsigned i = 1; i < 1000; ++i) {
ASSERT_TRUE(I.valid());
EXPECT_EQ(10*i, I.start());
EXPECT_EQ(10*i+5, I.stop());
EXPECT_EQ(i, *I);
++I;
}
EXPECT_FALSE(I.valid());
EXPECT_TRUE(I == map.end());
// Backwards iteration.
for (unsigned i = 999; 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());
// Test clear() on branched map.
map.clear();
EXPECT_TRUE(map.empty());
EXPECT_TRUE(map.begin() == map.end());
}
} // namespace