forked from mia/Aegisub
396 lines
13 KiB
C++
396 lines
13 KiB
C++
// Copyright (c) 2011, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// $Id$
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/// @file libaegisub_cajun.cpp
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/// @brief Cajun/Json tests.
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/// @ingroup cajun
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#include "main.h"
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#include <libaegisub/cajun/reader.h>
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#include <libaegisub/cajun/writer.h>
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#include <libaegisub/cajun/elements.h>
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#include <libaegisub/cajun/visitor.h>
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class lagi_cajun : public libagi {
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protected:
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// place holder for future code placement
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};
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TEST_F(lagi_cajun, Compare) {
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json::UnknownElement Integer1 = 0;
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json::UnknownElement Integer2 = 1;
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json::UnknownElement String1 = "1";
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json::UnknownElement String2 = "2";
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json::UnknownElement Boolean1 = false;
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json::UnknownElement Boolean2 = true;
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json::UnknownElement Array1 = json::Array();
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json::UnknownElement Array2 = json::Array();
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json::UnknownElement Object1 = json::Object();
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json::UnknownElement Object2 = json::Object();
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json::UnknownElement Null = json::Null();
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static_cast<json::Array&>(Array2).push_back(1);
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Object2["a"] = "b";
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// Test that things are equal to themselves and mixed comparisons are not errors
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EXPECT_EQ(Integer1, Integer1);
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EXPECT_NE(Integer1, Integer2);
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EXPECT_NE(Integer1, String1);
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EXPECT_NE(Integer1, Boolean1);
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EXPECT_NE(Integer1, Array1);
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EXPECT_NE(Integer1, Object1);
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EXPECT_NE(Integer1, Null);
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EXPECT_EQ(String1, String1);
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EXPECT_NE(String1, Integer2);
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EXPECT_NE(String1, String2);
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EXPECT_NE(String1, Boolean1);
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EXPECT_NE(String1, Array1);
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EXPECT_NE(String1, Object1);
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EXPECT_NE(String1, Null);
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EXPECT_EQ(Boolean1, Boolean1);
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EXPECT_NE(Boolean1, Integer2);
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EXPECT_NE(Boolean1, String1);
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EXPECT_NE(Boolean1, Boolean2);
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EXPECT_NE(Boolean1, Array1);
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EXPECT_NE(Boolean1, Object1);
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EXPECT_NE(Boolean1, Null);
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EXPECT_EQ(Array1, Array1);
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EXPECT_NE(Array1, Integer2);
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EXPECT_NE(Array1, String1);
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EXPECT_NE(Array1, Boolean1);
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EXPECT_NE(Array1, Array2);
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EXPECT_NE(Array1, Object1);
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EXPECT_NE(Array1, Null);
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EXPECT_EQ(Object1, Object1);
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EXPECT_NE(Object1, Integer2);
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EXPECT_NE(Object1, String1);
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EXPECT_NE(Object1, Boolean1);
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EXPECT_NE(Object1, Array2);
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EXPECT_NE(Object1, Object2);
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EXPECT_NE(Object1, Null);
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EXPECT_EQ(Null, Null);
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EXPECT_NE(Null, Integer2);
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EXPECT_NE(Null, String1);
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EXPECT_NE(Null, Boolean1);
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EXPECT_NE(Null, Array2);
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EXPECT_NE(Null, Object2);
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}
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TEST_F(lagi_cajun, CastNonConst) {
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json::UnknownElement Integer = 0;
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json::UnknownElement Double = 0.0;
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json::UnknownElement String = "1";
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json::UnknownElement Boolean = false;
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json::UnknownElement Array = json::Array();
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json::UnknownElement Object = json::Object();
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EXPECT_NO_THROW(static_cast<json::Integer&>(Integer));
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EXPECT_NO_THROW(static_cast<json::Double&>(Double));
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EXPECT_NO_THROW(static_cast<json::String&>(String));
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EXPECT_NO_THROW(static_cast<json::Boolean&>(Boolean));
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EXPECT_NO_THROW(static_cast<json::Array&>(Array));
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EXPECT_NO_THROW(static_cast<json::Object&>(Object));
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EXPECT_NO_THROW(static_cast<json::Integer const&>(Integer));
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EXPECT_NO_THROW(static_cast<json::Double const&>(Double));
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EXPECT_NO_THROW(static_cast<json::String const&>(String));
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EXPECT_NO_THROW(static_cast<json::Boolean const&>(Boolean));
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EXPECT_NO_THROW(static_cast<json::Array const&>(Array));
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EXPECT_NO_THROW(static_cast<json::Object const&>(Object));
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}
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TEST_F(lagi_cajun, CastConst) {
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const json::UnknownElement Integer = 10;
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const json::UnknownElement Double = 10.0;
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const json::UnknownElement String = "1";
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const json::UnknownElement Boolean = false;
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const json::UnknownElement Array = json::Array();
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const json::UnknownElement Object = json::Object();
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/* these shouldn't compile
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EXPECT_NO_THROW(static_cast<json::Integer&>(Integer));
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EXPECT_NO_THROW(static_cast<json::Double&>(Double));
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EXPECT_NO_THROW(static_cast<json::String&>(String));
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EXPECT_NO_THROW(static_cast<json::Boolean&>(Boolean));
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EXPECT_NO_THROW(static_cast<json::Array&>(Array));
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EXPECT_NO_THROW(static_cast<json::Object&>(Object));
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*/
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EXPECT_NO_THROW(static_cast<json::Integer const&>(Integer));
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EXPECT_NO_THROW(static_cast<json::Double const&>(Double));
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EXPECT_NO_THROW(static_cast<json::String const&>(String));
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EXPECT_NO_THROW(static_cast<json::Boolean const&>(Boolean));
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EXPECT_NO_THROW(static_cast<json::Array const&>(Array));
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EXPECT_NO_THROW(static_cast<json::Object const&>(Object));
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EXPECT_EQ(10, static_cast<json::Integer const&>(Integer));
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EXPECT_EQ(10, static_cast<json::Double const&>(Double));
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EXPECT_STREQ("1", static_cast<json::String const&>(String).c_str());
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EXPECT_FALSE(static_cast<json::Boolean const&>(Boolean));
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EXPECT_TRUE(static_cast<json::Array const&>(Array).empty());
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EXPECT_TRUE(static_cast<json::Object const&>(Object).empty());
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}
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TEST_F(lagi_cajun, UnknownIsIndexable) {
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json::Object obj;
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obj["Integer"] = 1;
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json::UnknownElement unk_obj = obj;
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EXPECT_NO_THROW(unk_obj["Integer"]);
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EXPECT_EQ(1, (json::Integer)unk_obj["Integer"]);
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EXPECT_THROW(unk_obj[0], json::Exception);
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EXPECT_NO_THROW(unk_obj["Nonexistent Key"]);
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json::UnknownElement const& const_unk_obj = obj;
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EXPECT_NO_THROW(const_unk_obj["Integer"]);
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EXPECT_THROW(const_unk_obj["Another nonexistent Key"], json::Exception);
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json::Array arr;
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arr.push_back(1);
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json::UnknownElement unk_arr = arr;
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EXPECT_NO_THROW(unk_arr[0]);
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EXPECT_EQ(1, (json::Integer)unk_arr[0]);
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EXPECT_THROW(unk_arr["Integer"], json::Exception);
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json::Integer number = 1;
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json::UnknownElement const& unk_num = number;
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EXPECT_THROW(unk_num[0], json::Exception);
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EXPECT_THROW(unk_num[""], json::Exception);
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}
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TEST_F(lagi_cajun, ObjectStoreInteger) {
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json::Object obj;
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obj["Integer"] = 1;
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EXPECT_EQ(1, static_cast<json::Integer>(obj["Integer"]));
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EXPECT_THROW(static_cast<json::String const&>(obj["Integer"]), json::Exception);
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EXPECT_THROW(static_cast<json::Boolean>(obj["Integer"]), json::Exception);
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EXPECT_THROW(static_cast<json::Null>(obj["Integer"]), json::Exception);
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EXPECT_THROW(static_cast<json::Array const&>(obj["Integer"]), json::Exception);
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EXPECT_THROW(static_cast<json::Object const&>(obj["Integer"]), json::Exception);
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}
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TEST_F(lagi_cajun, ObjectStoreDouble) {
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json::Object obj;
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obj["Double"] = 1.0;
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EXPECT_EQ(1.0, static_cast<json::Double>(obj["Double"]));
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EXPECT_THROW(static_cast<json::String const&>(obj["Double"]), json::Exception);
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EXPECT_THROW(static_cast<json::Boolean>(obj["Double"]), json::Exception);
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EXPECT_THROW(static_cast<json::Null>(obj["Double"]), json::Exception);
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EXPECT_THROW(static_cast<json::Array const&>(obj["Double"]), json::Exception);
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EXPECT_THROW(static_cast<json::Object const&>(obj["Double"]), json::Exception);
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}
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TEST_F(lagi_cajun, ObjectStoreString) {
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json::Object obj;
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obj["String"] = "test";
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EXPECT_STREQ("test", static_cast<std::string>(obj["String"]).c_str());
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EXPECT_THROW(static_cast<json::Integer>(obj["String"]), json::Exception);
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EXPECT_THROW(static_cast<json::Boolean>(obj["String"]), json::Exception);
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EXPECT_THROW(static_cast<json::Null>(obj["String"]), json::Exception);
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EXPECT_THROW(static_cast<json::Array const&>(obj["String"]), json::Exception);
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EXPECT_THROW(static_cast<json::Object const&>(obj["String"]), json::Exception);
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}
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TEST_F(lagi_cajun, ObjectStoreBoolean) {
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json::Object obj;
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obj["Boolean"] = true;
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EXPECT_TRUE(static_cast<json::Boolean>(obj["Boolean"]));
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EXPECT_THROW(static_cast<json::String const&>(obj["Boolean"]), json::Exception);
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EXPECT_THROW(static_cast<json::Integer>(obj["Boolean"]), json::Exception);
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EXPECT_THROW(static_cast<json::Null>(obj["Boolean"]), json::Exception);
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EXPECT_THROW(static_cast<json::Array const&>(obj["Boolean"]), json::Exception);
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EXPECT_THROW(static_cast<json::Object const&>(obj["Boolean"]), json::Exception);
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}
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TEST_F(lagi_cajun, ObjectStoreNull) {
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json::Object obj;
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obj["Null"] = json::Null();
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EXPECT_NO_THROW(static_cast<json::Null>(obj["Null"]));
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// null is implicitly convertible to everything
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EXPECT_NO_THROW(static_cast<json::String const&>(obj["Null"]));
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obj["Null"] = json::Null();
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EXPECT_NO_THROW(static_cast<json::Integer>(obj["Null"]));
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obj["Null"] = json::Null();
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EXPECT_NO_THROW(static_cast<json::Double>(obj["Null"]));
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obj["Null"] = json::Null();
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EXPECT_NO_THROW(static_cast<json::Boolean>(obj["Null"]));
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obj["Null"] = json::Null();
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EXPECT_NO_THROW(static_cast<json::Array const&>(obj["Null"]));
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obj["Null"] = json::Null();
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EXPECT_NO_THROW(static_cast<json::Object const&>(obj["Null"]));
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// obj["Null"] should no longer be of type Null
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EXPECT_THROW(static_cast<json::Null>(obj["Null"]), json::Exception);
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}
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TEST_F(lagi_cajun, ObjectCreateArray) {
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json::Object obj;
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obj["Inside"] = "";
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json::Array array;
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array.push_back(obj);
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EXPECT_STREQ("", static_cast<std::string>(array[0]["Inside"]).c_str());
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}
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TEST_F(lagi_cajun, ObjectEquality) {
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json::Object obj;
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obj["Inside"] = "";
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json::Array array;
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array.push_back(obj);
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obj["Array"] = array;
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json::Object obj_dupe = obj;
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EXPECT_TRUE(obj_dupe == obj);
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obj_dupe["NotEqual"] = array;
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EXPECT_FALSE(obj_dupe == obj);
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}
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TEST_F(lagi_cajun, Read) {
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json::UnknownElement obj;
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std::istringstream doc("{\"String\" : \"This is a test\", \"Boolean\" : false, \"Null\" : null }");
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EXPECT_NO_THROW(json::Reader::Read(obj, doc));
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EXPECT_NO_THROW(obj["String"]);
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EXPECT_STREQ("This is a test", static_cast<std::string>(obj["String"]).c_str());
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EXPECT_FALSE(static_cast<json::Boolean>(obj["Boolean"]));
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EXPECT_NO_THROW(static_cast<json::Null>(obj["Null"]));
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}
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TEST_F(lagi_cajun, Write) {
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json::Object obj;
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obj["Boolean"] = true;
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obj["String"] = "This \"is\" \\a \t test";
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std::stringstream stream;
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EXPECT_NO_THROW(json::Writer::Write(obj, stream));
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EXPECT_STREQ("{\n\t\"Boolean\" : true,\n\t\"String\" : \"This \\\"is\\\" \\\\a \\t test\"\n}", stream.str().c_str());
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stream.str("");
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EXPECT_NO_THROW(json::Writer::Write(json::Array(), stream));
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EXPECT_STREQ("[]", stream.str().c_str());
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stream.str("");
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EXPECT_NO_THROW(json::Writer::Write(json::Object(), stream));
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EXPECT_STREQ("{}", stream.str().c_str());
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stream.str("");
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EXPECT_NO_THROW(json::Writer::Write(true, stream));
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EXPECT_STREQ("true", stream.str().c_str());
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stream.str("");
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EXPECT_NO_THROW(json::Writer::Write(false, stream));
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EXPECT_STREQ("false", stream.str().c_str());
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stream.str("");
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EXPECT_NO_THROW(json::Writer::Write(json::Null(), stream));
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EXPECT_STREQ("null", stream.str().c_str());
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}
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TEST_F(lagi_cajun, ReaderParserErrors) {
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json::UnknownElement ue;
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std::istringstream missing_comma("[1 2]");
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EXPECT_THROW(json::Reader::Read(ue, missing_comma), json::Exception);
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std::istringstream garbage_after_number("123!");
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EXPECT_THROW(json::Reader::Read(ue, garbage_after_number), json::Exception);
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std::istringstream unexpected_eof("[");
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EXPECT_THROW(json::Reader::Read(ue, unexpected_eof), json::Exception);
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std::istringstream bad_initial_token("]");
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EXPECT_THROW(json::Reader::Read(ue, bad_initial_token), json::Exception);
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std::istringstream garbage_after_end("[]a");
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EXPECT_THROW(json::Reader::Read(ue, garbage_after_end), json::Exception);
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std::istringstream empty_str("");
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EXPECT_THROW(json::Reader::Read(ue, empty_str), json::Exception);
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std::istringstream dupe_keys("{\"a\": [], \"a\": 0}");
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EXPECT_THROW(json::Reader::Read(ue, dupe_keys), json::Exception);
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std::istringstream unique_keys("{\"a\": [], \"b\": 0}");
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EXPECT_NO_THROW(json::Reader::Read(ue, unique_keys));
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}
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TEST_F(lagi_cajun, ReaderScanErrors) {
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json::UnknownElement ue;
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std::istringstream doc("[true, false, thiswontwork]");
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EXPECT_THROW(json::Reader::Read(ue, doc), json::Exception);
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std::istringstream garbage_after_number("123abc");
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EXPECT_THROW(json::Reader::Read(ue, garbage_after_number), json::Exception);
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std::istringstream bad_escape("\"\\j\"");
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EXPECT_THROW(json::Reader::Read(ue, bad_escape), json::Exception);
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std::istringstream unexpected_eof("\"abc");
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EXPECT_THROW(json::Reader::Read(ue, unexpected_eof), json::Exception);
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}
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std::string roundtrip_test(const char *in) {
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std::istringstream iss(in);
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json::UnknownElement ele;
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json::Reader::Read(ele, iss);
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std::stringstream oss;
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json::Writer::Write(ele, oss);
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return oss.str();
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}
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TEST_F(lagi_cajun, round_double_roundtrips) {
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EXPECT_STREQ("1.0", roundtrip_test("1.0").c_str());
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}
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TEST_F(lagi_cajun, representable_double_roundtrips) {
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EXPECT_STREQ("1.5", roundtrip_test("1.5").c_str());
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}
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TEST_F(lagi_cajun, int_roundtrips) {
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EXPECT_STREQ("1", roundtrip_test("1").c_str());
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}
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TEST_F(lagi_cajun, bool_roundtrips) {
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EXPECT_STREQ("true", roundtrip_test("true").c_str());
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EXPECT_STREQ("false", roundtrip_test("false").c_str());
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}
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TEST_F(lagi_cajun, null_roundtrips) {
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EXPECT_STREQ("null", roundtrip_test("null").c_str());
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}
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