#include "gtest/gtest.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/Support/DataTypes.h"
+#include <tuple>
using namespace llvm;
namespace {
TEST_F(StringMapTest, StringMapEntryTest) {
StringMap<uint32_t>::value_type* entry =
StringMap<uint32_t>::value_type::Create(
- testKeyFirst, testKeyFirst + testKeyLength, 1u);
+ StringRef(testKeyFirst, testKeyLength), 1u);
EXPECT_STREQ(testKey, entry->first().data());
EXPECT_EQ(1u, entry->second);
free(entry);
SCOPED_TRACE("InsertTest");
testMap.insert(
StringMap<uint32_t>::value_type::Create(
- testKeyFirst, testKeyFirst + testKeyLength,
+ StringRef(testKeyFirst, testKeyLength),
testMap.getAllocator(), 1u));
assertSingleItemMap();
}
+// Test insert(pair<K, V>) method
+TEST_F(StringMapTest, InsertPairTest) {
+ bool Inserted;
+ StringMap<uint32_t>::iterator NewIt;
+ std::tie(NewIt, Inserted) =
+ testMap.insert(std::make_pair(testKeyFirst, testValue));
+ EXPECT_EQ(1u, testMap.size());
+ EXPECT_EQ(testValue, testMap[testKeyFirst]);
+ EXPECT_EQ(testKeyFirst, NewIt->first());
+ EXPECT_EQ(testValue, NewIt->second);
+ EXPECT_TRUE(Inserted);
+
+ StringMap<uint32_t>::iterator ExistingIt;
+ std::tie(ExistingIt, Inserted) =
+ testMap.insert(std::make_pair(testKeyFirst, testValue + 1));
+ EXPECT_EQ(1u, testMap.size());
+ EXPECT_EQ(testValue, testMap[testKeyFirst]);
+ EXPECT_FALSE(Inserted);
+ EXPECT_EQ(NewIt, ExistingIt);
+}
+
+// Test insert(pair<K, V>) method when rehashing occurs
+TEST_F(StringMapTest, InsertRehashingPairTest) {
+ // Check that the correct iterator is returned when the inserted element is
+ // moved to a different bucket during internal rehashing. This depends on
+ // the particular key, and the implementation of StringMap and HashString.
+ // Changes to those might result in this test not actually checking that.
+ StringMap<uint32_t> t(1);
+ EXPECT_EQ(1u, t.getNumBuckets());
+
+ StringMap<uint32_t>::iterator It =
+ t.insert(std::make_pair("abcdef", 42)).first;
+ EXPECT_EQ(2u, t.getNumBuckets());
+ EXPECT_EQ("abcdef", It->first());
+ EXPECT_EQ(42u, It->second);
+}
+
// Create a non-default constructable value
struct StringMapTestStruct {
StringMapTestStruct(int i) : i(i) {}
- StringMapTestStruct() LLVM_DELETED_FUNCTION;
+ StringMapTestStruct() = delete;
int i;
};
TEST_F(StringMapTest, NonDefaultConstructable) {
StringMap<StringMapTestStruct> t;
- t.GetOrCreateValue("Test", StringMapTestStruct(123));
+ t.insert(std::make_pair("Test", StringMapTestStruct(123)));
StringMap<StringMapTestStruct>::iterator iter = t.find("Test");
ASSERT_NE(iter, t.end());
ASSERT_EQ(iter->second.i, 123);
}
+struct Immovable {
+ Immovable() {}
+ Immovable(Immovable&&) = delete; // will disable the other special members
+};
+
struct MoveOnly {
int i;
MoveOnly(int i) : i(i) {}
- MoveOnly(MoveOnly&&) = default;
- MoveOnly(const MoveOnly&) = delete;
- MoveOnly &operator=(MoveOnly&&) = default;
- MoveOnly &operator=(const MoveOnly&) = delete;
+ MoveOnly(const Immovable&) : i(0) {}
+ MoveOnly(MoveOnly &&RHS) : i(RHS.i) {}
+ MoveOnly &operator=(MoveOnly &&RHS) {
+ i = RHS.i;
+ return *this;
+ }
+
+private:
+ MoveOnly(const MoveOnly &) = delete;
+ MoveOnly &operator=(const MoveOnly &) = delete;
};
-TEST_F(StringMapTest, MoveOnlyKey) {
+TEST_F(StringMapTest, MoveOnly) {
StringMap<MoveOnly> t;
- t.GetOrCreateValue("Test", MoveOnly(42));
+ t.insert(std::make_pair("Test", MoveOnly(42)));
+ StringRef Key = "Test";
+ StringMapEntry<MoveOnly>::Create(Key, MoveOnly(42))
+ ->Destroy();
+}
+
+TEST_F(StringMapTest, CtorArg) {
StringRef Key = "Test";
- StringMapEntry<MoveOnly>::Create(Key.begin(), Key.end(), MoveOnly(42))->Destroy();
+ StringMapEntry<MoveOnly>::Create(Key, Immovable())
+ ->Destroy();
}
TEST_F(StringMapTest, MoveConstruct) {
StringMap<int> A;
- A.GetOrCreateValue("x", 42);
+ A["x"] = 42;
StringMap<int> B = std::move(A);
ASSERT_EQ(A.size(), 0u);
ASSERT_EQ(B.size(), 1u);
struct Countable {
int &InstanceCount;
int Number;
- Countable(int Number, int &InstanceCount) :InstanceCount(InstanceCount), Number(Number) {
+ Countable(int Number, int &InstanceCount)
+ : InstanceCount(InstanceCount), Number(Number) {
++InstanceCount;
}
Countable(Countable &&C) : InstanceCount(C.InstanceCount), Number(C.Number) {
++InstanceCount;
C.Number = -1;
}
- Countable(const Countable &C) : InstanceCount(C.InstanceCount), Number(C.Number) {
+ Countable(const Countable &C)
+ : InstanceCount(C.InstanceCount), Number(C.Number) {
++InstanceCount;
}
Countable &operator=(Countable C) {
Number = C.Number;
return *this;
}
- ~Countable() {
- --InstanceCount;
- }
-
+ ~Countable() { --InstanceCount; }
};
TEST_F(StringMapTest, MoveDtor) {
int InstanceCount = 0;
StringMap<Countable> A;
- A.GetOrCreateValue("x", Countable(42, InstanceCount));
+ A.insert(std::make_pair("x", Countable(42, InstanceCount)));
ASSERT_EQ(InstanceCount, 1);
auto I = A.find("x");
ASSERT_NE(I, A.end());