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Complete tests for IntervalMapOverlaps.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122019 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-12-17 01:31:49 +00:00
parent 495de3b783
commit 90675c882d
1 changed files with 106 additions and 1 deletions
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107
unittests/ADT/IntervalMapTest.cpp
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@ -550,7 +550,7 @@ TEST(IntervalMapTest, RandomCoalescing) {
}
TEST(IntervalMapOverlapsTest, EmptyMaps) {
TEST(IntervalMapOverlapsTest, SmallMaps) {
typedef IntervalMapOverlaps<UUMap,UUMap> UUOverlaps;
UUMap::Allocator allocator;
UUMap mapA(allocator);
@ -560,9 +560,114 @@ TEST(IntervalMapOverlapsTest, EmptyMaps) {
EXPECT_FALSE(UUOverlaps(mapA, mapB).valid());
mapA.insert(1, 2, 3);
// full, empty
EXPECT_FALSE(UUOverlaps(mapA, mapB).valid());
// empty, full
EXPECT_FALSE(UUOverlaps(mapB, mapA).valid());
mapB.insert(3, 4, 5);
// full, full, non-overlapping
EXPECT_FALSE(UUOverlaps(mapA, mapB).valid());
EXPECT_FALSE(UUOverlaps(mapB, mapA).valid());
// Add an overlapping segment.
mapA.insert(4, 5, 6);
UUOverlaps AB(mapA, mapB);
ASSERT_TRUE(AB.valid());
EXPECT_EQ(4u, AB.a().start());
EXPECT_EQ(3u, AB.b().start());
++AB;
EXPECT_FALSE(AB.valid());
UUOverlaps BA(mapB, mapA);
ASSERT_TRUE(BA.valid());
EXPECT_EQ(3u, BA.a().start());
EXPECT_EQ(4u, BA.b().start());
++BA;
EXPECT_FALSE(BA.valid());
}
TEST(IntervalMapOverlapsTest, BigMaps) {
typedef IntervalMapOverlaps<UUMap,UUMap> UUOverlaps;
UUMap::Allocator allocator;
UUMap mapA(allocator);
UUMap mapB(allocator);
// [0;4] [10;14] [20;24] ...
for (unsigned n = 0; n != 100; ++n)
mapA.insert(10*n, 10*n+4, n);
// [5;6] [15;16] [25;26] ...
for (unsigned n = 10; n != 20; ++n)
mapB.insert(10*n+5, 10*n+6, n);
// [208;209] [218;219] ...
for (unsigned n = 20; n != 30; ++n)
mapB.insert(10*n+8, 10*n+9, n);
// insert some overlapping segments.
mapB.insert(400, 400, 400);
mapB.insert(401, 401, 401);
mapB.insert(402, 500, 402);
mapB.insert(600, 601, 402);
UUOverlaps AB(mapA, mapB);
ASSERT_TRUE(AB.valid());
EXPECT_EQ(400u, AB.a().start());
EXPECT_EQ(400u, AB.b().start());
++AB;
ASSERT_TRUE(AB.valid());
EXPECT_EQ(400u, AB.a().start());
EXPECT_EQ(401u, AB.b().start());
++AB;
ASSERT_TRUE(AB.valid());
EXPECT_EQ(400u, AB.a().start());
EXPECT_EQ(402u, AB.b().start());
++AB;
ASSERT_TRUE(AB.valid());
EXPECT_EQ(410u, AB.a().start());
EXPECT_EQ(402u, AB.b().start());
++AB;
ASSERT_TRUE(AB.valid());
EXPECT_EQ(420u, AB.a().start());
EXPECT_EQ(402u, AB.b().start());
AB.skipB();
ASSERT_TRUE(AB.valid());
EXPECT_EQ(600u, AB.a().start());
EXPECT_EQ(600u, AB.b().start());
++AB;
EXPECT_FALSE(AB.valid());
// Check reversed maps.
UUOverlaps BA(mapB, mapA);
ASSERT_TRUE(BA.valid());
EXPECT_EQ(400u, BA.b().start());
EXPECT_EQ(400u, BA.a().start());
++BA;
ASSERT_TRUE(BA.valid());
EXPECT_EQ(400u, BA.b().start());
EXPECT_EQ(401u, BA.a().start());
++BA;
ASSERT_TRUE(BA.valid());
EXPECT_EQ(400u, BA.b().start());
EXPECT_EQ(402u, BA.a().start());
++BA;
ASSERT_TRUE(BA.valid());
EXPECT_EQ(410u, BA.b().start());
EXPECT_EQ(402u, BA.a().start());
++BA;
ASSERT_TRUE(BA.valid());
EXPECT_EQ(420u, BA.b().start());
EXPECT_EQ(402u, BA.a().start());
BA.skipA();
ASSERT_TRUE(BA.valid());
EXPECT_EQ(600u, BA.b().start());
EXPECT_EQ(600u, BA.a().start());
++BA;
EXPECT_FALSE(BA.valid());
}
} // namespace