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valuetest.cpp
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#include "unittest.h"
#include "rapidjson/document.h"
#include <algorithm>
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(c++98-compat)
#endif
using namespace rapidjson;
TEST(Value, DefaultConstructor) {
Value x;
EXPECT_EQ(kNullType, x.GetType());
EXPECT_TRUE(x.IsNull());
//std::cout << "sizeof(Value): " << sizeof(x) << std::endl;
}
// Should not pass compilation
//TEST(Value, copy_constructor) {
// Value x(1234);
// Value y = x;
//}
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
#if 0 // Many old compiler does not support these. Turn it off temporaily.
#include <type_traits>
TEST(Value, Traits) {
typedef GenericValue<UTF8<>, CrtAllocator> Value;
static_assert(std::is_constructible<Value>::value, "");
static_assert(std::is_default_constructible<Value>::value, "");
#ifndef _MSC_VER
static_assert(!std::is_copy_constructible<Value>::value, "");
#endif
static_assert(std::is_move_constructible<Value>::value, "");
#ifndef _MSC_VER
static_assert(std::is_nothrow_constructible<Value>::value, "");
static_assert(std::is_nothrow_default_constructible<Value>::value, "");
static_assert(!std::is_nothrow_copy_constructible<Value>::value, "");
static_assert(std::is_nothrow_move_constructible<Value>::value, "");
#endif
static_assert(std::is_assignable<Value,Value>::value, "");
#ifndef _MSC_VER
static_assert(!std::is_copy_assignable<Value>::value, "");
#endif
static_assert(std::is_move_assignable<Value>::value, "");
#ifndef _MSC_VER
static_assert(std::is_nothrow_assignable<Value, Value>::value, "");
#endif
static_assert(!std::is_nothrow_copy_assignable<Value>::value, "");
#ifndef _MSC_VER
static_assert(std::is_nothrow_move_assignable<Value>::value, "");
#endif
static_assert(std::is_destructible<Value>::value, "");
#ifndef _MSC_VER
static_assert(std::is_nothrow_destructible<Value>::value, "");
#endif
}
#endif
TEST(Value, MoveConstructor) {
typedef GenericValue<UTF8<>, CrtAllocator> Value;
Value::AllocatorType allocator;
Value x((Value(kArrayType)));
x.Reserve(4u, allocator);
x.PushBack(1, allocator).PushBack(2, allocator).PushBack(3, allocator).PushBack(4, allocator);
EXPECT_TRUE(x.IsArray());
EXPECT_EQ(4u, x.Size());
// Value y(x); // does not compile (!is_copy_constructible)
Value y(std::move(x));
EXPECT_TRUE(x.IsNull());
EXPECT_TRUE(y.IsArray());
EXPECT_EQ(4u, y.Size());
// Value z = y; // does not compile (!is_copy_assignable)
Value z = std::move(y);
EXPECT_TRUE(y.IsNull());
EXPECT_TRUE(z.IsArray());
EXPECT_EQ(4u, z.Size());
}
#endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS
TEST(Value, AssignmentOperator) {
Value x(1234);
Value y;
y = x;
EXPECT_TRUE(x.IsNull()); // move semantic
EXPECT_EQ(1234, y.GetInt());
y = 5678;
EXPECT_TRUE(y.IsInt());
EXPECT_EQ(5678, y.GetInt());
x = "Hello";
EXPECT_TRUE(x.IsString());
EXPECT_STREQ(x.GetString(),"Hello");
y = StringRef(x.GetString(),x.GetStringLength());
EXPECT_TRUE(y.IsString());
EXPECT_EQ(y.GetString(),x.GetString());
EXPECT_EQ(y.GetStringLength(),x.GetStringLength());
static char mstr[] = "mutable";
// y = mstr; // should not compile
y = StringRef(mstr);
EXPECT_TRUE(y.IsString());
EXPECT_EQ(y.GetString(),mstr);
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
// C++11 move assignment
x = Value("World");
EXPECT_TRUE(x.IsString());
EXPECT_STREQ("World", x.GetString());
x = std::move(y);
EXPECT_TRUE(y.IsNull());
EXPECT_TRUE(x.IsString());
EXPECT_EQ(x.GetString(), mstr);
y = std::move(Value().SetInt(1234));
EXPECT_TRUE(y.IsInt());
EXPECT_EQ(1234, y);
#endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS
}
template <typename A, typename B>
void TestEqual(const A& a, const B& b) {
EXPECT_TRUE (a == b);
EXPECT_FALSE(a != b);
EXPECT_TRUE (b == a);
EXPECT_FALSE(b != a);
}
template <typename A, typename B>
void TestUnequal(const A& a, const B& b) {
EXPECT_FALSE(a == b);
EXPECT_TRUE (a != b);
EXPECT_FALSE(b == a);
EXPECT_TRUE (b != a);
}
TEST(Value, EqualtoOperator) {
Value::AllocatorType allocator;
Value x(kObjectType);
x.AddMember("hello", "world", allocator)
.AddMember("t", Value(true).Move(), allocator)
.AddMember("f", Value(false).Move(), allocator)
.AddMember("n", Value(kNullType).Move(), allocator)
.AddMember("i", 123, allocator)
.AddMember("pi", 3.14, allocator)
.AddMember("a", Value(kArrayType).Move().PushBack(1, allocator).PushBack(2, allocator).PushBack(3, allocator), allocator);
// Test templated operator==() and operator!=()
TestEqual(x["hello"], "world");
const char* cc = "world";
TestEqual(x["hello"], cc);
char* c = strdup("world");
TestEqual(x["hello"], c);
free(c);
TestEqual(x["t"], true);
TestEqual(x["f"], false);
TestEqual(x["i"], 123);
TestEqual(x["pi"], 3.14);
// Test operator==() (including different allocators)
CrtAllocator crtAllocator;
GenericValue<UTF8<>, CrtAllocator> y;
GenericDocument<UTF8<>, CrtAllocator> z(&crtAllocator);
y.CopyFrom(x, crtAllocator);
z.CopyFrom(y, z.GetAllocator());
TestEqual(x, y);
TestEqual(y, z);
TestEqual(z, x);
// Swapping member order should be fine.
EXPECT_TRUE(y.RemoveMember("t"));
TestUnequal(x, y);
TestUnequal(z, y);
EXPECT_TRUE(z.RemoveMember("t"));
TestUnequal(x, z);
TestEqual(y, z);
y.AddMember("t", false, crtAllocator);
z.AddMember("t", false, z.GetAllocator());
TestUnequal(x, y);
TestUnequal(z, x);
y["t"] = true;
z["t"] = true;
TestEqual(x, y);
TestEqual(y, z);
TestEqual(z, x);
// Swapping element order is not OK
x["a"][0].Swap(x["a"][1]);
TestUnequal(x, y);
x["a"][0].Swap(x["a"][1]);
TestEqual(x, y);
// Array of different size
x["a"].PushBack(4, allocator);
TestUnequal(x, y);
x["a"].PopBack();
TestEqual(x, y);
// Issue #129: compare Uint64
x.SetUint64(RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0xFFFFFFF0));
y.SetUint64(RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0xFFFFFFFF));
TestUnequal(x, y);
}
template <typename Value>
void TestCopyFrom() {
typename Value::AllocatorType a;
Value v1(1234);
Value v2(v1, a); // deep copy constructor
EXPECT_TRUE(v1.GetType() == v2.GetType());
EXPECT_EQ(v1.GetInt(), v2.GetInt());
v1.SetString("foo");
v2.CopyFrom(v1, a);
EXPECT_TRUE(v1.GetType() == v2.GetType());
EXPECT_STREQ(v1.GetString(), v2.GetString());
EXPECT_EQ(v1.GetString(), v2.GetString()); // string NOT copied
v1.SetString("bar", a); // copy string
v2.CopyFrom(v1, a);
EXPECT_TRUE(v1.GetType() == v2.GetType());
EXPECT_STREQ(v1.GetString(), v2.GetString());
EXPECT_NE(v1.GetString(), v2.GetString()); // string copied
v1.SetArray().PushBack(1234, a);
v2.CopyFrom(v1, a);
EXPECT_TRUE(v2.IsArray());
EXPECT_EQ(v1.Size(), v2.Size());
v1.PushBack(Value().SetString("foo", a), a); // push string copy
EXPECT_TRUE(v1.Size() != v2.Size());
v2.CopyFrom(v1, a);
EXPECT_TRUE(v1.Size() == v2.Size());
EXPECT_STREQ(v1[1].GetString(), v2[1].GetString());
EXPECT_NE(v1[1].GetString(), v2[1].GetString()); // string got copied
}
TEST(Value, CopyFrom) {
TestCopyFrom<Value>();
TestCopyFrom<GenericValue<UTF8<>, CrtAllocator> >();
}
TEST(Value, Swap) {
Value v1(1234);
Value v2(kObjectType);
EXPECT_EQ(&v1, &v1.Swap(v2));
EXPECT_TRUE(v1.IsObject());
EXPECT_TRUE(v2.IsInt());
EXPECT_EQ(1234, v2.GetInt());
// testing std::swap compatibility
using std::swap;
swap(v1, v2);
EXPECT_TRUE(v1.IsInt());
EXPECT_TRUE(v2.IsObject());
}
TEST(Value, Null) {
// Default constructor
Value x;
EXPECT_EQ(kNullType, x.GetType());
EXPECT_TRUE(x.IsNull());
EXPECT_FALSE(x.IsTrue());
EXPECT_FALSE(x.IsFalse());
EXPECT_FALSE(x.IsNumber());
EXPECT_FALSE(x.IsString());
EXPECT_FALSE(x.IsObject());
EXPECT_FALSE(x.IsArray());
// Constructor with type
Value y(kNullType);
EXPECT_TRUE(y.IsNull());
// SetNull();
Value z(true);
z.SetNull();
EXPECT_TRUE(z.IsNull());
}
TEST(Value, True) {
// Constructor with bool
Value x(true);
EXPECT_EQ(kTrueType, x.GetType());
EXPECT_TRUE(x.GetBool());
EXPECT_TRUE(x.IsBool());
EXPECT_TRUE(x.IsTrue());
EXPECT_FALSE(x.IsNull());
EXPECT_FALSE(x.IsFalse());
EXPECT_FALSE(x.IsNumber());
EXPECT_FALSE(x.IsString());
EXPECT_FALSE(x.IsObject());
EXPECT_FALSE(x.IsArray());
// Constructor with type
Value y(kTrueType);
EXPECT_TRUE(y.IsTrue());
// SetBool()
Value z;
z.SetBool(true);
EXPECT_TRUE(z.IsTrue());
// Templated functions
EXPECT_TRUE(z.Is<bool>());
EXPECT_TRUE(z.Get<bool>());
EXPECT_FALSE(z.Set<bool>(false).Get<bool>());
EXPECT_TRUE(z.Set(true).Get<bool>());
}
TEST(Value, False) {
// Constructor with bool
Value x(false);
EXPECT_EQ(kFalseType, x.GetType());
EXPECT_TRUE(x.IsBool());
EXPECT_TRUE(x.IsFalse());
EXPECT_FALSE(x.IsNull());
EXPECT_FALSE(x.IsTrue());
EXPECT_FALSE(x.GetBool());
//EXPECT_FALSE((bool)x);
EXPECT_FALSE(x.IsNumber());
EXPECT_FALSE(x.IsString());
EXPECT_FALSE(x.IsObject());
EXPECT_FALSE(x.IsArray());
// Constructor with type
Value y(kFalseType);
EXPECT_TRUE(y.IsFalse());
// SetBool()
Value z;
z.SetBool(false);
EXPECT_TRUE(z.IsFalse());
}
TEST(Value, Int) {
// Constructor with int
Value x(1234);
EXPECT_EQ(kNumberType, x.GetType());
EXPECT_EQ(1234, x.GetInt());
EXPECT_EQ(1234u, x.GetUint());
EXPECT_EQ(1234, x.GetInt64());
EXPECT_EQ(1234u, x.GetUint64());
EXPECT_NEAR(1234.0, x.GetDouble(), 0.0);
//EXPECT_EQ(1234, (int)x);
//EXPECT_EQ(1234, (unsigned)x);
//EXPECT_EQ(1234, (int64_t)x);
//EXPECT_EQ(1234, (uint64_t)x);
//EXPECT_EQ(1234, (double)x);
EXPECT_TRUE(x.IsNumber());
EXPECT_TRUE(x.IsInt());
EXPECT_TRUE(x.IsUint());
EXPECT_TRUE(x.IsInt64());
EXPECT_TRUE(x.IsUint64());
EXPECT_FALSE(x.IsDouble());
EXPECT_FALSE(x.IsNull());
EXPECT_FALSE(x.IsBool());
EXPECT_FALSE(x.IsFalse());
EXPECT_FALSE(x.IsTrue());
EXPECT_FALSE(x.IsString());
EXPECT_FALSE(x.IsObject());
EXPECT_FALSE(x.IsArray());
Value nx(-1234);
EXPECT_EQ(-1234, nx.GetInt());
EXPECT_EQ(-1234, nx.GetInt64());
EXPECT_TRUE(nx.IsInt());
EXPECT_TRUE(nx.IsInt64());
EXPECT_FALSE(nx.IsUint());
EXPECT_FALSE(nx.IsUint64());
// Constructor with type
Value y(kNumberType);
EXPECT_TRUE(y.IsNumber());
EXPECT_TRUE(y.IsInt());
EXPECT_EQ(0, y.GetInt());
// SetInt()
Value z;
z.SetInt(1234);
EXPECT_EQ(1234, z.GetInt());
// operator=(int)
z = 5678;
EXPECT_EQ(5678, z.GetInt());
// Templated functions
EXPECT_TRUE(z.Is<int>());
EXPECT_EQ(5678, z.Get<int>());
EXPECT_EQ(5679, z.Set(5679).Get<int>());
EXPECT_EQ(5680, z.Set<int>(5680).Get<int>());
}
TEST(Value, Uint) {
// Constructor with int
Value x(1234u);
EXPECT_EQ(kNumberType, x.GetType());
EXPECT_EQ(1234, x.GetInt());
EXPECT_EQ(1234u, x.GetUint());
EXPECT_EQ(1234, x.GetInt64());
EXPECT_EQ(1234u, x.GetUint64());
EXPECT_TRUE(x.IsNumber());
EXPECT_TRUE(x.IsInt());
EXPECT_TRUE(x.IsUint());
EXPECT_TRUE(x.IsInt64());
EXPECT_TRUE(x.IsUint64());
EXPECT_NEAR(1234.0, x.GetDouble(), 0.0); // Number can always be cast as double but !IsDouble().
EXPECT_FALSE(x.IsDouble());
EXPECT_FALSE(x.IsNull());
EXPECT_FALSE(x.IsBool());
EXPECT_FALSE(x.IsFalse());
EXPECT_FALSE(x.IsTrue());
EXPECT_FALSE(x.IsString());
EXPECT_FALSE(x.IsObject());
EXPECT_FALSE(x.IsArray());
// SetUint()
Value z;
z.SetUint(1234);
EXPECT_EQ(1234u, z.GetUint());
// operator=(unsigned)
z = 5678u;
EXPECT_EQ(5678u, z.GetUint());
z = 2147483648u; // 2^31, cannot cast as int
EXPECT_EQ(2147483648u, z.GetUint());
EXPECT_FALSE(z.IsInt());
EXPECT_TRUE(z.IsInt64()); // Issue 41: Incorrect parsing of unsigned int number types
// Templated functions
EXPECT_TRUE(z.Is<unsigned>());
EXPECT_EQ(2147483648u, z.Get<unsigned>());
EXPECT_EQ(2147483649u, z.Set(2147483649u).Get<unsigned>());
EXPECT_EQ(2147483650u, z.Set<unsigned>(2147483650u).Get<unsigned>());
}
TEST(Value, Int64) {
// Constructor with int
Value x(int64_t(1234));
EXPECT_EQ(kNumberType, x.GetType());
EXPECT_EQ(1234, x.GetInt());
EXPECT_EQ(1234u, x.GetUint());
EXPECT_EQ(1234, x.GetInt64());
EXPECT_EQ(1234u, x.GetUint64());
EXPECT_TRUE(x.IsNumber());
EXPECT_TRUE(x.IsInt());
EXPECT_TRUE(x.IsUint());
EXPECT_TRUE(x.IsInt64());
EXPECT_TRUE(x.IsUint64());
EXPECT_FALSE(x.IsDouble());
EXPECT_FALSE(x.IsNull());
EXPECT_FALSE(x.IsBool());
EXPECT_FALSE(x.IsFalse());
EXPECT_FALSE(x.IsTrue());
EXPECT_FALSE(x.IsString());
EXPECT_FALSE(x.IsObject());
EXPECT_FALSE(x.IsArray());
Value nx(int64_t(-1234));
EXPECT_EQ(-1234, nx.GetInt());
EXPECT_EQ(-1234, nx.GetInt64());
EXPECT_TRUE(nx.IsInt());
EXPECT_TRUE(nx.IsInt64());
EXPECT_FALSE(nx.IsUint());
EXPECT_FALSE(nx.IsUint64());
// SetInt64()
Value z;
z.SetInt64(1234);
EXPECT_EQ(1234, z.GetInt64());
z.SetInt64(2147483648u); // 2^31, cannot cast as int
EXPECT_FALSE(z.IsInt());
EXPECT_TRUE(z.IsUint());
EXPECT_NEAR(2147483648.0, z.GetDouble(), 0.0);
z.SetInt64(int64_t(4294967295u) + 1); // 2^32, cannot cast as uint
EXPECT_FALSE(z.IsInt());
EXPECT_FALSE(z.IsUint());
EXPECT_NEAR(4294967296.0, z.GetDouble(), 0.0);
z.SetInt64(-int64_t(2147483648u) - 1); // -2^31-1, cannot cast as int
EXPECT_FALSE(z.IsInt());
EXPECT_NEAR(-2147483649.0, z.GetDouble(), 0.0);
int64_t i = static_cast<int64_t>(RAPIDJSON_UINT64_C2(0x80000000, 00000000));
z.SetInt64(i);
EXPECT_DOUBLE_EQ(-9223372036854775808.0, z.GetDouble());
// Templated functions
EXPECT_TRUE(z.Is<int64_t>());
EXPECT_EQ(i, z.Get<int64_t>());
EXPECT_EQ(i - 1, z.Set(i - 1).Get<int64_t>());
EXPECT_EQ(i - 2, z.Set<int64_t>(i - 2).Get<int64_t>());
}
TEST(Value, Uint64) {
// Constructor with int
Value x(uint64_t(1234));
EXPECT_EQ(kNumberType, x.GetType());
EXPECT_EQ(1234, x.GetInt());
EXPECT_EQ(1234u, x.GetUint());
EXPECT_EQ(1234, x.GetInt64());
EXPECT_EQ(1234u, x.GetUint64());
EXPECT_TRUE(x.IsNumber());
EXPECT_TRUE(x.IsInt());
EXPECT_TRUE(x.IsUint());
EXPECT_TRUE(x.IsInt64());
EXPECT_TRUE(x.IsUint64());
EXPECT_FALSE(x.IsDouble());
EXPECT_FALSE(x.IsNull());
EXPECT_FALSE(x.IsBool());
EXPECT_FALSE(x.IsFalse());
EXPECT_FALSE(x.IsTrue());
EXPECT_FALSE(x.IsString());
EXPECT_FALSE(x.IsObject());
EXPECT_FALSE(x.IsArray());
// SetUint64()
Value z;
z.SetUint64(1234);
EXPECT_EQ(1234u, z.GetUint64());
z.SetUint64(uint64_t(2147483648u)); // 2^31, cannot cast as int
EXPECT_FALSE(z.IsInt());
EXPECT_TRUE(z.IsUint());
EXPECT_TRUE(z.IsInt64());
z.SetUint64(uint64_t(4294967295u) + 1); // 2^32, cannot cast as uint
EXPECT_FALSE(z.IsInt());
EXPECT_FALSE(z.IsUint());
EXPECT_TRUE(z.IsInt64());
uint64_t u = RAPIDJSON_UINT64_C2(0x80000000, 0x00000000);
z.SetUint64(u); // 2^63 cannot cast as int64
EXPECT_FALSE(z.IsInt64());
EXPECT_EQ(u, z.GetUint64()); // Issue 48
EXPECT_DOUBLE_EQ(9223372036854775808.0, z.GetDouble());
// Templated functions
EXPECT_TRUE(z.Is<uint64_t>());
EXPECT_EQ(u, z.Get<uint64_t>());
EXPECT_EQ(u + 1, z.Set(u + 1).Get<uint64_t>());
EXPECT_EQ(u + 2, z.Set<uint64_t>(u + 2).Get<uint64_t>());
}
TEST(Value, Double) {
// Constructor with double
Value x(12.34);
EXPECT_EQ(kNumberType, x.GetType());
EXPECT_NEAR(12.34, x.GetDouble(), 0.0);
EXPECT_TRUE(x.IsNumber());
EXPECT_TRUE(x.IsDouble());
EXPECT_FALSE(x.IsInt());
EXPECT_FALSE(x.IsNull());
EXPECT_FALSE(x.IsBool());
EXPECT_FALSE(x.IsFalse());
EXPECT_FALSE(x.IsTrue());
EXPECT_FALSE(x.IsString());
EXPECT_FALSE(x.IsObject());
EXPECT_FALSE(x.IsArray());
// SetDouble()
Value z;
z.SetDouble(12.34);
EXPECT_NEAR(12.34, z.GetDouble(), 0.0);
z = 56.78;
EXPECT_NEAR(56.78, z.GetDouble(), 0.0);
// Templated functions
EXPECT_TRUE(z.Is<double>());
EXPECT_EQ(56.78, z.Get<double>());
EXPECT_EQ(57.78, z.Set(57.78).Get<double>());
EXPECT_EQ(58.78, z.Set<double>(58.78).Get<double>());
}
TEST(Value, Float) {
// Constructor with double
Value x(12.34f);
EXPECT_EQ(kNumberType, x.GetType());
EXPECT_NEAR(12.34f, x.GetFloat(), 0.0);
EXPECT_TRUE(x.IsNumber());
EXPECT_TRUE(x.IsDouble());
EXPECT_TRUE(x.IsFloat());
EXPECT_FALSE(x.IsInt());
EXPECT_FALSE(x.IsNull());
EXPECT_FALSE(x.IsBool());
EXPECT_FALSE(x.IsFalse());
EXPECT_FALSE(x.IsTrue());
EXPECT_FALSE(x.IsString());
EXPECT_FALSE(x.IsObject());
EXPECT_FALSE(x.IsArray());
// SetFloat()
Value z;
z.SetFloat(12.34f);
EXPECT_NEAR(12.34f, z.GetFloat(), 0.0f);
z = 56.78f;
EXPECT_NEAR(56.78f, z.GetFloat(), 0.0f);
// Templated functions
EXPECT_TRUE(z.Is<float>());
EXPECT_EQ(56.78f, z.Get<float>());
EXPECT_EQ(57.78f, z.Set(57.78f).Get<float>());
EXPECT_EQ(58.78f, z.Set<float>(58.78f).Get<float>());
}
TEST(Value, IsLosslessDouble) {
EXPECT_TRUE(Value(12.34).IsLosslessDouble());
EXPECT_TRUE(Value(-123).IsLosslessDouble());
EXPECT_TRUE(Value(2147483648u).IsLosslessDouble());
EXPECT_TRUE(Value(static_cast<int64_t>(-RAPIDJSON_UINT64_C2(0x40000000, 0x00000000))).IsLosslessDouble());
EXPECT_TRUE(Value(RAPIDJSON_UINT64_C2(0xA0000000, 0x00000000)).IsLosslessDouble());
EXPECT_FALSE(Value(static_cast<int64_t>(-RAPIDJSON_UINT64_C2(0x7FFFFFFF, 0xFFFFFFFF))).IsLosslessDouble());
EXPECT_FALSE(Value(RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0xFFFFFFFF)).IsLosslessDouble());
}
TEST(Value, IsLosslessFloat) {
EXPECT_TRUE(Value(12.25).IsLosslessFloat());
EXPECT_TRUE(Value(-123).IsLosslessFloat());
EXPECT_TRUE(Value(2147483648u).IsLosslessFloat());
EXPECT_TRUE(Value(3.4028234e38f).IsLosslessFloat());
EXPECT_TRUE(Value(-3.4028234e38f).IsLosslessFloat());
EXPECT_FALSE(Value(3.4028235e38).IsLosslessFloat());
EXPECT_FALSE(Value(0.3).IsLosslessFloat());
}
TEST(Value, String) {
// Construction with const string
Value x("Hello", 5); // literal
EXPECT_EQ(kStringType, x.GetType());
EXPECT_TRUE(x.IsString());
EXPECT_STREQ("Hello", x.GetString());
EXPECT_EQ(5u, x.GetStringLength());
EXPECT_FALSE(x.IsNumber());
EXPECT_FALSE(x.IsNull());
EXPECT_FALSE(x.IsBool());
EXPECT_FALSE(x.IsFalse());
EXPECT_FALSE(x.IsTrue());
EXPECT_FALSE(x.IsObject());
EXPECT_FALSE(x.IsArray());
static const char cstr[] = "World"; // const array
Value(cstr).Swap(x);
EXPECT_TRUE(x.IsString());
EXPECT_EQ(x.GetString(), cstr);
EXPECT_EQ(x.GetStringLength(), sizeof(cstr)-1);
static char mstr[] = "Howdy"; // non-const array
// Value(mstr).Swap(x); // should not compile
Value(StringRef(mstr)).Swap(x);
EXPECT_TRUE(x.IsString());
EXPECT_EQ(x.GetString(), mstr);
EXPECT_EQ(x.GetStringLength(), sizeof(mstr)-1);
strncpy(mstr,"Hello", sizeof(mstr));
EXPECT_STREQ(x.GetString(), "Hello");
const char* pstr = cstr;
//Value(pstr).Swap(x); // should not compile
Value(StringRef(pstr)).Swap(x);
EXPECT_TRUE(x.IsString());
EXPECT_EQ(x.GetString(), cstr);
EXPECT_EQ(x.GetStringLength(), sizeof(cstr)-1);
char* mpstr = mstr;
Value(StringRef(mpstr,sizeof(mstr)-1)).Swap(x);
EXPECT_TRUE(x.IsString());
EXPECT_EQ(x.GetString(), mstr);
EXPECT_EQ(x.GetStringLength(), 5u);
EXPECT_STREQ(x.GetString(), "Hello");
// Constructor with copy string
MemoryPoolAllocator<> allocator;
Value c(x.GetString(), x.GetStringLength(), allocator);
EXPECT_NE(x.GetString(), c.GetString());
EXPECT_EQ(x.GetStringLength(), c.GetStringLength());
EXPECT_STREQ(x.GetString(), c.GetString());
//x.SetString("World");
x.SetString("World", 5);
EXPECT_STREQ("Hello", c.GetString());
EXPECT_EQ(5u, c.GetStringLength());
// Constructor with type
Value y(kStringType);
EXPECT_TRUE(y.IsString());
EXPECT_STREQ("", y.GetString()); // Empty string should be "" instead of 0 (issue 226)
EXPECT_EQ(0u, y.GetStringLength());
// SetConsttring()
Value z;
z.SetString("Hello");
EXPECT_TRUE(x.IsString());
z.SetString("Hello", 5);
EXPECT_STREQ("Hello", z.GetString());
EXPECT_STREQ("Hello", z.GetString());
EXPECT_EQ(5u, z.GetStringLength());
z.SetString("Hello");
EXPECT_TRUE(z.IsString());
EXPECT_STREQ("Hello", z.GetString());
//z.SetString(mstr); // should not compile
//z.SetString(pstr); // should not compile
z.SetString(StringRef(mstr));
EXPECT_TRUE(z.IsString());
EXPECT_STREQ(z.GetString(), mstr);
z.SetString(cstr);
EXPECT_TRUE(z.IsString());
EXPECT_EQ(cstr, z.GetString());
z = cstr;
EXPECT_TRUE(z.IsString());
EXPECT_EQ(cstr, z.GetString());
// SetString()
char s[] = "World";
Value w;
w.SetString(s, static_cast<SizeType>(strlen(s)), allocator);
s[0] = '\0';
EXPECT_STREQ("World", w.GetString());
EXPECT_EQ(5u, w.GetStringLength());
// templated functions
EXPECT_TRUE(z.Is<const char*>());
EXPECT_STREQ(cstr, z.Get<const char*>());
EXPECT_STREQ("Apple", z.Set<const char*>("Apple").Get<const char*>());
#if RAPIDJSON_HAS_STDSTRING
{
std::string str = "Hello World";
str[5] = '\0';
EXPECT_STREQ(str.data(),"Hello"); // embedded '\0'
EXPECT_EQ(str.size(), 11u);
// no copy
Value vs0(StringRef(str));
EXPECT_TRUE(vs0.IsString());
EXPECT_EQ(vs0.GetString(), str.data());
EXPECT_EQ(vs0.GetStringLength(), str.size());
TestEqual(vs0, str);
// do copy
Value vs1(str, allocator);
EXPECT_TRUE(vs1.IsString());
EXPECT_NE(vs1.GetString(), str.data());
EXPECT_NE(vs1.GetString(), str); // not equal due to embedded '\0'
EXPECT_EQ(vs1.GetStringLength(), str.size());
TestEqual(vs1, str);
// SetString
str = "World";
vs0.SetNull().SetString(str, allocator);
EXPECT_TRUE(vs0.IsString());
EXPECT_STREQ(vs0.GetString(), str.c_str());
EXPECT_EQ(vs0.GetStringLength(), str.size());
TestEqual(str, vs0);
TestUnequal(str, vs1);
// vs1 = str; // should not compile
vs1 = StringRef(str);
TestEqual(str, vs1);
TestEqual(vs0, vs1);
// Templated function.
EXPECT_TRUE(vs0.Is<std::string>());
EXPECT_EQ(str, vs0.Get<std::string>());
EXPECT_EQ(std::string("Apple"), vs0.Set<std::string>(std::string("Apple"), allocator).template Get<std::string>());
EXPECT_EQ(std::string("Orange"), vs0.Set(std::string("Orange"), allocator).template Get<std::string>());
}
#endif // RAPIDJSON_HAS_STDSTRING
}
// Issue 226: Value of string type should not point to NULL
TEST(Value, SetStringNullException) {
Value v;
EXPECT_THROW(v.SetString(0, 0), AssertException);
}
template <typename T, typename Allocator>
void TestArray(T& x, Allocator& allocator) {
const T& y = x;
// PushBack()
Value v;
x.PushBack(v, allocator);
v.SetBool(true);
x.PushBack(v, allocator);
v.SetBool(false);
x.PushBack(v, allocator);
v.SetInt(123);
x.PushBack(v, allocator);
//x.PushBack((const char*)"foo", allocator); // should not compile
x.PushBack("foo", allocator);
EXPECT_FALSE(x.Empty());
EXPECT_EQ(5u, x.Size());
EXPECT_FALSE(y.Empty());
EXPECT_EQ(5u, y.Size());
EXPECT_TRUE(x[SizeType(0)].IsNull());
EXPECT_TRUE(x[1].IsTrue());
EXPECT_TRUE(x[2].IsFalse());
EXPECT_TRUE(x[3].IsInt());
EXPECT_EQ(123, x[3].GetInt());
EXPECT_TRUE(y[SizeType(0)].IsNull());
EXPECT_TRUE(y[1].IsTrue());
EXPECT_TRUE(y[2].IsFalse());
EXPECT_TRUE(y[3].IsInt());
EXPECT_EQ(123, y[3].GetInt());
EXPECT_TRUE(y[4].IsString());
EXPECT_STREQ("foo", y[4].GetString());
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
// PushBack(GenericValue&&, Allocator&);
{
Value y2(kArrayType);
y2.PushBack(Value(true), allocator);
y2.PushBack(std::move(Value(kArrayType).PushBack(Value(1), allocator).PushBack("foo", allocator)), allocator);
EXPECT_EQ(2u, y2.Size());
EXPECT_TRUE(y2[0].IsTrue());
EXPECT_TRUE(y2[1].IsArray());
EXPECT_EQ(2u, y2[1].Size());
EXPECT_TRUE(y2[1][0].IsInt());
EXPECT_TRUE(y2[1][1].IsString());
}
#endif
// iterator
typename T::ValueIterator itr = x.Begin();
EXPECT_TRUE(itr != x.End());
EXPECT_TRUE(itr->IsNull());
++itr;
EXPECT_TRUE(itr != x.End());
EXPECT_TRUE(itr->IsTrue());
++itr;
EXPECT_TRUE(itr != x.End());
EXPECT_TRUE(itr->IsFalse());
++itr;
EXPECT_TRUE(itr != x.End());
EXPECT_TRUE(itr->IsInt());
EXPECT_EQ(123, itr->GetInt());
++itr;
EXPECT_TRUE(itr != x.End());
EXPECT_TRUE(itr->IsString());
EXPECT_STREQ("foo", itr->GetString());
// const iterator
typename T::ConstValueIterator citr = y.Begin();
EXPECT_TRUE(citr != y.End());
EXPECT_TRUE(citr->IsNull());
++citr;
EXPECT_TRUE(citr != y.End());
EXPECT_TRUE(citr->IsTrue());
++citr;
EXPECT_TRUE(citr != y.End());
EXPECT_TRUE(citr->IsFalse());
++citr;
EXPECT_TRUE(citr != y.End());
EXPECT_TRUE(citr->IsInt());
EXPECT_EQ(123, citr->GetInt());
++citr;
EXPECT_TRUE(citr != y.End());
EXPECT_TRUE(citr->IsString());
EXPECT_STREQ("foo", citr->GetString());
// PopBack()
x.PopBack();
EXPECT_EQ(4u, x.Size());
EXPECT_TRUE(y[SizeType(0)].IsNull());
EXPECT_TRUE(y[1].IsTrue());
EXPECT_TRUE(y[2].IsFalse());
EXPECT_TRUE(y[3].IsInt());
// Clear()
x.Clear();
EXPECT_TRUE(x.Empty());
EXPECT_EQ(0u, x.Size());
EXPECT_TRUE(y.Empty());
EXPECT_EQ(0u, y.Size());
// Erase(ValueIterator)
// Use array of array to ensure removed elements' destructor is called.
// [[0],[1],[2],...]
for (int i = 0; i < 10; i++)
x.PushBack(Value(kArrayType).PushBack(i, allocator).Move(), allocator);
// Erase the first
itr = x.Erase(x.Begin());
EXPECT_EQ(x.Begin(), itr);
EXPECT_EQ(9u, x.Size());
for (int i = 0; i < 9; i++)
EXPECT_EQ(i + 1, x[static_cast<SizeType>(i)][0].GetInt());
// Ease the last
itr = x.Erase(x.End() - 1);
EXPECT_EQ(x.End(), itr);
EXPECT_EQ(8u, x.Size());
for (int i = 0; i < 8; i++)
EXPECT_EQ(i + 1, x[static_cast<SizeType>(i)][0].GetInt());
// Erase the middle
itr = x.Erase(x.Begin() + 4);
EXPECT_EQ(x.Begin() + 4, itr);
EXPECT_EQ(7u, x.Size());
for (int i = 0; i < 4; i++)
EXPECT_EQ(i + 1, x[static_cast<SizeType>(i)][0].GetInt());
for (int i = 4; i < 7; i++)
EXPECT_EQ(i + 2, x[static_cast<SizeType>(i)][0].GetInt());
// Erase(ValueIterator, ValueIterator)
// Exhaustive test with all 0 <= first < n, first <= last <= n cases
const unsigned n = 10;
for (unsigned first = 0; first < n; first++) {
for (unsigned last = first; last <= n; last++) {
x.Clear();
for (unsigned i = 0; i < n; i++)
x.PushBack(Value(kArrayType).PushBack(i, allocator).Move(), allocator);
itr = x.Erase(x.Begin() + first, x.Begin() + last);
if (last == n)
EXPECT_EQ(x.End(), itr);
else
EXPECT_EQ(x.Begin() + first, itr);
size_t removeCount = last - first;
EXPECT_EQ(n - removeCount, x.Size());
for (unsigned i = 0; i < first; i++)
EXPECT_EQ(i, x[i][0].GetUint());
for (unsigned i = first; i < n - removeCount; i++)
EXPECT_EQ(i + removeCount, x[static_cast<SizeType>(i)][0].GetUint());
}
}
}
TEST(Value, Array) {
Value x(kArrayType);
const Value& y = x;
Value::AllocatorType allocator;
EXPECT_EQ(kArrayType, x.GetType());
EXPECT_TRUE(x.IsArray());
EXPECT_TRUE(x.Empty());
EXPECT_EQ(0u, x.Size());
EXPECT_TRUE(y.IsArray());
EXPECT_TRUE(y.Empty());
EXPECT_EQ(0u, y.Size());
EXPECT_FALSE(x.IsNull());
EXPECT_FALSE(x.IsBool());
EXPECT_FALSE(x.IsFalse());
EXPECT_FALSE(x.IsTrue());
EXPECT_FALSE(x.IsString());