base/trace_event/traced_value_unittest.cc - chromium/src - Git at Google

 // Copyright 2014 The Chromium Authors
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #include "base/trace_event/traced_value.h"

 #include <cmath>
 #include <cstddef>
 #include <utility>

 #include "base/strings/string_util.h"
 #include "base/values.h"
 #include "testing/gtest/include/gtest/gtest.h"

 namespace base {
 namespace trace_event {

 TEST(TraceEventArgumentTest, InitializerListCreatedContainers) {
   std::string json;
   TracedValue::Build(
       {
           {"empty_array", TracedValue::Array({})},
           {"empty_dictionary", TracedValue::Dictionary({})},
           {"nested_array", TracedValue::Array({
                                TracedValue::Array({}),
                                TracedValue::Dictionary({}),
                                true,
                            })},
           {"nested_dictionary", TracedValue::Dictionary({
                                     {"d", TracedValue::Dictionary({})},
                                     {"a", TracedValue::Array({})},
                                     {"b", true},
                                 })},
       })
       ->AppendAsTraceFormat(&json);
   EXPECT_EQ(
       "{\"empty_array\":[],\"empty_dictionary\":{},"
       "\"nested_array\":[[],{},true],"
       "\"nested_dictionary\":{\"d\":{},\"a\":[],\"b\":true}}",
       json);
 }

 TEST(TraceEventArgumentTest, InitializerListCreatedFlatDictionary) {
   std::string json;
   TracedValue::Build({{"bool_var", true},
                       {"double_var", 3.14},
                       {"int_var", 2020},
                       {"literal_var", "literal"}})
       ->AppendAsTraceFormat(&json);
   EXPECT_EQ(
       "{\"bool_var\":true,\"double_var\":3.14,\"int_var\":2020,\""
       "literal_var\":\"literal\"}",
       json);
 }

 TEST(TraceEventArgumentTest, ArrayAndDictionaryScope) {
   std::unique_ptr<TracedValue> value(new TracedValue());
   {
     auto dictionary = value->BeginDictionaryScoped("dictionary_name");
     value->SetInteger("my_int", 1);
   }
   {
     auto array = value->BeginArrayScoped("array_name");
     value->AppendInteger(2);
   }
   {
     auto surround_dictionary =
         value->BeginDictionaryScoped("outside_dictionary");
     value->SetBoolean("my_bool", true);
     {
       auto inside_array = value->BeginArrayScoped("inside_array");
       value->AppendBoolean(false);
     }
     {
       auto inside_array = value->BeginDictionaryScoped("inside_dictionary");
       value->SetBoolean("inner_bool", false);
     }
   }
   {
     auto surround_array = value->BeginArrayScoped("outside_array");
     value->AppendBoolean(false);
     {
       auto inside_dictionary = value->AppendDictionaryScoped();
       value->SetBoolean("my_bool", true);
     }
     {
       auto inside_array = value->AppendArrayScoped();
       value->AppendBoolean(false);
     }
   }
   {
     auto dictionary = value->BeginDictionaryScopedWithCopiedName(
         std::string("wonderful_") + std::string("world"));
   }
   {
     auto array = value->BeginArrayScopedWithCopiedName(
         std::string("wonderful_") + std::string("array"));
   }
   std::string json;
   value->AppendAsTraceFormat(&json);
   EXPECT_EQ(
       "{"
       "\"dictionary_name\":{\"my_int\":1},"
       "\"array_name\":[2],"
       "\"outside_dictionary\":{\"my_bool\":true,\"inside_array\":[false],"
       "\"inside_dictionary\":{\"inner_bool\":false}},"
       "\"outside_array\":[false,{\"my_bool\":true},[false]],"
       "\"wonderful_world\":{},"
       "\"wonderful_array\":[]"
       "}",
       json);
 }

 std::string SayHello() {
   // Create a string by concatenating two strings, so that there is no literal
   // corresponding to the result.
   return std::string("hello ") + std::string("world");
 }

 TEST(TraceEventArgumentTest, StringAndPointerConstructors) {
   std::string json;
   const char* const_char_ptr_var = "const char* value";
   TracedValue::Build(
       {
           {"literal_var", "literal"},
           {"std_string_var", std::string("std::string value")},
           {"string_from_function", SayHello()},
           {"string_from_lambda", []() { return std::string("hello"); }()},
           {"base_string_piece_var",
            base::StringPiece("base::StringPiece value")},
           {"const_char_ptr_var", const_char_ptr_var},
           {"void_nullptr", static_cast<void*>(nullptr)},
           {"int_nullptr", static_cast<int*>(nullptr)},
           {"void_1234ptr", reinterpret_cast<void*>(0x1234)},
       })
       ->AppendAsTraceFormat(&json);
   EXPECT_EQ(
       "{\"literal_var\":\"literal\","
       "\"std_string_var\":\"std::string value\","
       "\"string_from_function\":\"hello world\","
       "\"string_from_lambda\":\"hello\","
       "\"base_string_piece_var\":\"base::StringPiece value\","
       "\"const_char_ptr_var\":\"const char* value\","
       "\"void_nullptr\":\"0x0\","
       "\"int_nullptr\":\"0x0\","
       "\"void_1234ptr\":\"0x1234\"}",
       json);
 }

 TEST(TraceEventArgumentTest, FlatDictionary) {
   std::unique_ptr<TracedValue> value(new TracedValue());
   value->SetBoolean("bool", true);
   value->SetDouble("double", 0.0);
   value->SetInteger("int", 2014);
   value->SetString("string", "string");
   value->SetPointer("ptr", reinterpret_cast<void*>(0x1234));
   std::string json = "PREFIX";
   value->AppendAsTraceFormat(&json);
   EXPECT_EQ(
       "PREFIX{\"bool\":true,\"double\":0.0,\"int\":2014,\"string\":\"string\","
       "\"ptr\":\"0x1234\"}",
       json);
 }

 TEST(TraceEventArgumentTest, NoDotPathExpansion) {
   std::unique_ptr<TracedValue> value(new TracedValue());
   value->SetBoolean("bo.ol", true);
   value->SetDouble("doub.le", 0.0);
   value->SetInteger("in.t", 2014);
   value->SetString("str.ing", "str.ing");
   std::string json;
   value->AppendAsTraceFormat(&json);
   EXPECT_EQ(
       "{\"bo.ol\":true,\"doub.le\":0.0,\"in.t\":2014,\"str.ing\":\"str.ing\"}",
       json);
 }

 TEST(TraceEventArgumentTest, Hierarchy) {
   std::unique_ptr<TracedValue> value(new TracedValue());
   value->BeginArray("a1");
   value->AppendInteger(1);
   value->AppendBoolean(true);
   value->BeginDictionary();
   value->SetInteger("i2", 3);
   value->EndDictionary();
   value->EndArray();
   value->SetBoolean("b0", true);
   value->SetDouble("d0", 0.0);
   value->BeginDictionary("dict1");
   value->BeginDictionary("dict2");
   value->SetBoolean("b2", false);
   value->EndDictionary();
   value->SetInteger("i1", 2014);
   value->SetString("s1", "foo");
   value->EndDictionary();
   value->SetInteger("i0", 2014);
   value->SetString("s0", "foo");
   std::string json;
   value->AppendAsTraceFormat(&json);
   EXPECT_EQ(
       "{\"a1\":[1,true,{\"i2\":3}],\"b0\":true,\"d0\":0.0,\"dict1\":{\"dict2\":"
       "{\"b2\":false},\"i1\":2014,\"s1\":\"foo\"},\"i0\":2014,\"s0\":"
       "\"foo\"}",
       json);
 }

 TEST(TraceEventArgumentTest, LongStrings) {
   std::string kLongString = "supercalifragilisticexpialidocious";
   std::string kLongString2 = "0123456789012345678901234567890123456789";
   char kLongString3[4096];
   for (size_t i = 0; i < sizeof(kLongString3); ++i)
     kLongString3[i] = 'a' + (i % 25);
   kLongString3[sizeof(kLongString3) - 1] = '\0';

   std::unique_ptr<TracedValue> value(new TracedValue());
   value->SetString("a", "short");
   value->SetString("b", kLongString);
   value->BeginArray("c");
   value->AppendString(kLongString2);
   value->AppendString("");
   value->BeginDictionary();
   value->SetString("a", kLongString3);
   value->EndDictionary();
   value->EndArray();

   std::string json;
   value->AppendAsTraceFormat(&json);
   EXPECT_EQ("{\"a\":\"short\",\"b\":\"" + kLongString + "\",\"c\":[\"" +
                 kLongString2 + "\",\"\",{\"a\":\"" + kLongString3 + "\"}]}",
             json);
 }

 TEST(TraceEventArgumentTest, PassTracedValue) {
   auto dict_value = std::make_unique<TracedValue>();
   dict_value->SetInteger("a", 1);

   auto nested_dict_value = std::make_unique<TracedValue>();
   nested_dict_value->SetInteger("b", 2);
   nested_dict_value->BeginArray("c");
   nested_dict_value->AppendString("foo");
   nested_dict_value->EndArray();

   dict_value->SetValue("e", nested_dict_value.get());

   // Check the merged result.
   std::string json;
   dict_value->AppendAsTraceFormat(&json);
   EXPECT_EQ("{\"a\":1,\"e\":{\"b\":2,\"c\":[\"foo\"]}}", json);

   // Check that the passed nestd dict was left unouthced.
   json = "";
   nested_dict_value->AppendAsTraceFormat(&json);
   EXPECT_EQ("{\"b\":2,\"c\":[\"foo\"]}", json);

   // And that it is still usable.
   nested_dict_value->SetInteger("f", 3);
   nested_dict_value->BeginDictionary("g");
   nested_dict_value->EndDictionary();
   json = "";
   nested_dict_value->AppendAsTraceFormat(&json);
   EXPECT_EQ("{\"b\":2,\"c\":[\"foo\"],\"f\":3,\"g\":{}}", json);
 }

 TEST(TraceEventArgumentTest, NanAndInfinityJSON) {
   TracedValueJSON value;
   value.SetDouble("nan", std::nan(""));
   value.SetDouble("infinity", INFINITY);
   value.SetDouble("negInfinity", -INFINITY);
   std::string json;
   value.AppendAsTraceFormat(&json);
   EXPECT_EQ(
       "{\"nan\":\"NaN\",\"infinity\":\"Infinity\","
       "\"negInfinity\":\"-Infinity\"}",
       json);

   std::string formatted_json = value.ToFormattedJSON();
   // Remove CR and LF to make the result platform-independent.
   ReplaceChars(formatted_json, "\n\r", "", &formatted_json);
   EXPECT_EQ(
       "{"
       "   \"infinity\": \"Infinity\","
       "   \"nan\": \"NaN\","
       "   \"negInfinity\": \"-Infinity\""
       "}",
       formatted_json);
 }

 }  // namespace trace_event
 }  // namespace base
	// Copyright 2014 The Chromium Authors
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#include "base/trace_event/traced_value.h"

	#include <cmath>
	#include <cstddef>
	#include <utility>

	#include "base/strings/string_util.h"
	#include "base/values.h"
	#include "testing/gtest/include/gtest/gtest.h"

	namespace base {
	namespace trace_event {

	TEST(TraceEventArgumentTest, InitializerListCreatedContainers) {
	std::string json;
	TracedValue::Build(
	{
	{"empty_array", TracedValue::Array({})},
	{"empty_dictionary", TracedValue::Dictionary({})},
	{"nested_array", TracedValue::Array({
	TracedValue::Array({}),
	TracedValue::Dictionary({}),
	true,
	})},
	{"nested_dictionary", TracedValue::Dictionary({
	{"d", TracedValue::Dictionary({})},
	{"a", TracedValue::Array({})},
	{"b", true},
	})},
	})
	->AppendAsTraceFormat(&json);
	EXPECT_EQ(
	"{\"empty_array\":[],\"empty_dictionary\":{},"
	"\"nested_array\":[[],{},true],"
	"\"nested_dictionary\":{\"d\":{},\"a\":[],\"b\":true}}",
	json);
	}

	TEST(TraceEventArgumentTest, InitializerListCreatedFlatDictionary) {
	std::string json;
	TracedValue::Build({{"bool_var", true},
	{"double_var", 3.14},
	{"int_var", 2020},
	{"literal_var", "literal"}})
	->AppendAsTraceFormat(&json);
	EXPECT_EQ(
	"{\"bool_var\":true,\"double_var\":3.14,\"int_var\":2020,\""
	"literal_var\":\"literal\"}",
	json);
	}

	TEST(TraceEventArgumentTest, ArrayAndDictionaryScope) {
	std::unique_ptr<TracedValue> value(new TracedValue());
	{
	auto dictionary = value->BeginDictionaryScoped("dictionary_name");
	value->SetInteger("my_int", 1);
	}
	{
	auto array = value->BeginArrayScoped("array_name");
	value->AppendInteger(2);
	}
	{
	auto surround_dictionary =
	value->BeginDictionaryScoped("outside_dictionary");
	value->SetBoolean("my_bool", true);
	{
	auto inside_array = value->BeginArrayScoped("inside_array");
	value->AppendBoolean(false);
	}
	{
	auto inside_array = value->BeginDictionaryScoped("inside_dictionary");
	value->SetBoolean("inner_bool", false);
	}
	}
	{
	auto surround_array = value->BeginArrayScoped("outside_array");
	value->AppendBoolean(false);
	{
	auto inside_dictionary = value->AppendDictionaryScoped();
	value->SetBoolean("my_bool", true);
	}
	{
	auto inside_array = value->AppendArrayScoped();
	value->AppendBoolean(false);
	}
	}
	{
	auto dictionary = value->BeginDictionaryScopedWithCopiedName(
	std::string("wonderful_") + std::string("world"));
	}
	{
	auto array = value->BeginArrayScopedWithCopiedName(
	std::string("wonderful_") + std::string("array"));
	}
	std::string json;
	value->AppendAsTraceFormat(&json);
	EXPECT_EQ(
	"{"
	"\"dictionary_name\":{\"my_int\":1},"
	"\"array_name\":[2],"
	"\"outside_dictionary\":{\"my_bool\":true,\"inside_array\":[false],"
	"\"inside_dictionary\":{\"inner_bool\":false}},"
	"\"outside_array\":[false,{\"my_bool\":true},[false]],"
	"\"wonderful_world\":{},"
	"\"wonderful_array\":[]"
	"}",
	json);
	}

	std::string SayHello() {
	// Create a string by concatenating two strings, so that there is no literal
	// corresponding to the result.
	return std::string("hello ") + std::string("world");
	}

	TEST(TraceEventArgumentTest, StringAndPointerConstructors) {
	std::string json;
	const char* const_char_ptr_var = "const char* value";
	TracedValue::Build(
	{
	{"literal_var", "literal"},
	{"std_string_var", std::string("std::string value")},
	{"string_from_function", SayHello()},
	{"string_from_lambda", []() { return std::string("hello"); }()},
	{"base_string_piece_var",
	base::StringPiece("base::StringPiece value")},
	{"const_char_ptr_var", const_char_ptr_var},
	{"void_nullptr", static_cast<void*>(nullptr)},
	{"int_nullptr", static_cast<int*>(nullptr)},
	{"void_1234ptr", reinterpret_cast<void*>(0x1234)},
	})
	->AppendAsTraceFormat(&json);
	EXPECT_EQ(
	"{\"literal_var\":\"literal\","
	"\"std_string_var\":\"std::string value\","
	"\"string_from_function\":\"hello world\","
	"\"string_from_lambda\":\"hello\","
	"\"base_string_piece_var\":\"base::StringPiece value\","
	"\"const_char_ptr_var\":\"const char* value\","
	"\"void_nullptr\":\"0x0\","
	"\"int_nullptr\":\"0x0\","
	"\"void_1234ptr\":\"0x1234\"}",
	json);
	}

	TEST(TraceEventArgumentTest, FlatDictionary) {
	std::unique_ptr<TracedValue> value(new TracedValue());
	value->SetBoolean("bool", true);
	value->SetDouble("double", 0.0);
	value->SetInteger("int", 2014);
	value->SetString("string", "string");
	value->SetPointer("ptr", reinterpret_cast<void*>(0x1234));
	std::string json = "PREFIX";
	value->AppendAsTraceFormat(&json);
	EXPECT_EQ(
	"PREFIX{\"bool\":true,\"double\":0.0,\"int\":2014,\"string\":\"string\","
	"\"ptr\":\"0x1234\"}",
	json);
	}

	TEST(TraceEventArgumentTest, NoDotPathExpansion) {
	std::unique_ptr<TracedValue> value(new TracedValue());
	value->SetBoolean("bo.ol", true);
	value->SetDouble("doub.le", 0.0);
	value->SetInteger("in.t", 2014);
	value->SetString("str.ing", "str.ing");
	std::string json;
	value->AppendAsTraceFormat(&json);
	EXPECT_EQ(
	"{\"bo.ol\":true,\"doub.le\":0.0,\"in.t\":2014,\"str.ing\":\"str.ing\"}",
	json);
	}

	TEST(TraceEventArgumentTest, Hierarchy) {
	std::unique_ptr<TracedValue> value(new TracedValue());
	value->BeginArray("a1");
	value->AppendInteger(1);
	value->AppendBoolean(true);
	value->BeginDictionary();
	value->SetInteger("i2", 3);
	value->EndDictionary();
	value->EndArray();
	value->SetBoolean("b0", true);
	value->SetDouble("d0", 0.0);
	value->BeginDictionary("dict1");
	value->BeginDictionary("dict2");
	value->SetBoolean("b2", false);
	value->EndDictionary();
	value->SetInteger("i1", 2014);
	value->SetString("s1", "foo");
	value->EndDictionary();
	value->SetInteger("i0", 2014);
	value->SetString("s0", "foo");
	std::string json;
	value->AppendAsTraceFormat(&json);
	EXPECT_EQ(
	"{\"a1\":[1,true,{\"i2\":3}],\"b0\":true,\"d0\":0.0,\"dict1\":{\"dict2\":"
	"{\"b2\":false},\"i1\":2014,\"s1\":\"foo\"},\"i0\":2014,\"s0\":"
	"\"foo\"}",
	json);
	}

	TEST(TraceEventArgumentTest, LongStrings) {
	std::string kLongString = "supercalifragilisticexpialidocious";
	std::string kLongString2 = "0123456789012345678901234567890123456789";
	char kLongString3[4096];
	for (size_t i = 0; i < sizeof(kLongString3); ++i)
	kLongString3[i] = 'a' + (i % 25);
	kLongString3[sizeof(kLongString3) - 1] = '\0';

	std::unique_ptr<TracedValue> value(new TracedValue());
	value->SetString("a", "short");
	value->SetString("b", kLongString);
	value->BeginArray("c");
	value->AppendString(kLongString2);
	value->AppendString("");
	value->BeginDictionary();
	value->SetString("a", kLongString3);
	value->EndDictionary();
	value->EndArray();

	std::string json;
	value->AppendAsTraceFormat(&json);
	EXPECT_EQ("{\"a\":\"short\",\"b\":\"" + kLongString + "\",\"c\":[\"" +
	kLongString2 + "\",\"\",{\"a\":\"" + kLongString3 + "\"}]}",
	json);
	}

	TEST(TraceEventArgumentTest, PassTracedValue) {
	auto dict_value = std::make_unique<TracedValue>();
	dict_value->SetInteger("a", 1);

	auto nested_dict_value = std::make_unique<TracedValue>();
	nested_dict_value->SetInteger("b", 2);
	nested_dict_value->BeginArray("c");
	nested_dict_value->AppendString("foo");
	nested_dict_value->EndArray();

	dict_value->SetValue("e", nested_dict_value.get());

	// Check the merged result.
	std::string json;
	dict_value->AppendAsTraceFormat(&json);
	EXPECT_EQ("{\"a\":1,\"e\":{\"b\":2,\"c\":[\"foo\"]}}", json);

	// Check that the passed nestd dict was left unouthced.
	json = "";
	nested_dict_value->AppendAsTraceFormat(&json);
	EXPECT_EQ("{\"b\":2,\"c\":[\"foo\"]}", json);

	// And that it is still usable.
	nested_dict_value->SetInteger("f", 3);
	nested_dict_value->BeginDictionary("g");
	nested_dict_value->EndDictionary();
	json = "";
	nested_dict_value->AppendAsTraceFormat(&json);
	EXPECT_EQ("{\"b\":2,\"c\":[\"foo\"],\"f\":3,\"g\":{}}", json);
	}

	TEST(TraceEventArgumentTest, NanAndInfinityJSON) {
	TracedValueJSON value;
	value.SetDouble("nan", std::nan(""));
	value.SetDouble("infinity", INFINITY);
	value.SetDouble("negInfinity", -INFINITY);
	std::string json;
	value.AppendAsTraceFormat(&json);
	EXPECT_EQ(
	"{\"nan\":\"NaN\",\"infinity\":\"Infinity\","
	"\"negInfinity\":\"-Infinity\"}",
	json);

	std::string formatted_json = value.ToFormattedJSON();
	// Remove CR and LF to make the result platform-independent.
	ReplaceChars(formatted_json, "\n\r", "", &formatted_json);
	EXPECT_EQ(
	"{"
	" \"infinity\": \"Infinity\","
	" \"nan\": \"NaN\","
	" \"negInfinity\": \"-Infinity\""
	"}",
	formatted_json);
	}

	} // namespace trace_event
	} // namespace base