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// 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 "third_party/blink/renderer/platform/instrumentation/tracing/traced_value.h"
#include <utility>
#include "base/json/json_reader.h"
#include "base/values.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace blink {
std::optional<base::Value> ParseTracedValue(
std::unique_ptr<TracedValueJSON> value) {
return base::JSONReader::Read(value->ToJSON().Utf8());
}
TEST(TracedValueTest, FlatDictionary) {
auto value = std::make_unique<TracedValueJSON>();
value->SetIntegerWithCopiedName("int", 2014);
value->SetDoubleWithCopiedName("double", 0.0);
value->SetBooleanWithCopiedName("bool", true);
value->SetStringWithCopiedName("string", "string");
std::optional<base::Value> parsed = ParseTracedValue(std::move(value));
ASSERT_TRUE(parsed->is_dict());
const base::Value::Dict& dict = parsed->GetDict();
std::optional<int> int_value = dict.FindInt("int");
ASSERT_TRUE(int_value.has_value());
EXPECT_EQ(2014, *int_value);
std::optional<double> double_value = dict.FindDouble("double");
ASSERT_TRUE(double_value.has_value());
EXPECT_EQ(0.0, *double_value);
const std::string* string_value = dict.FindString("string");
ASSERT_NE(nullptr, string_value);
EXPECT_EQ("string", *string_value);
}
TEST(TracedValueTest, Hierarchy) {
auto value = std::make_unique<TracedValueJSON>();
value->SetIntegerWithCopiedName("i0", 2014);
value->BeginDictionaryWithCopiedName("dict1");
value->SetIntegerWithCopiedName("i1", 2014);
value->BeginDictionaryWithCopiedName("dict2");
value->SetBooleanWithCopiedName("b2", false);
value->EndDictionary();
value->SetStringWithCopiedName("s1", "foo");
value->EndDictionary();
value->SetDoubleWithCopiedName("d0", 0.0);
value->SetBooleanWithCopiedName("b0", true);
value->BeginArrayWithCopiedName("a1");
value->PushInteger(1);
value->PushBoolean(true);
value->BeginDictionary();
value->SetIntegerWithCopiedName("i2", 3);
value->EndDictionary();
value->EndArray();
value->SetStringWithCopiedName("s0", "foo");
std::optional<base::Value> parsed = ParseTracedValue(std::move(value));
ASSERT_TRUE(parsed->is_dict());
const base::Value::Dict& dict = parsed->GetDict();
std::optional<int> i0 = dict.FindInt("i0");
ASSERT_TRUE(i0.has_value());
EXPECT_EQ(2014, *i0);
std::optional<int> i1 = dict.FindIntByDottedPath("dict1.i1");
ASSERT_TRUE(i1.has_value());
EXPECT_EQ(2014, *i1);
std::optional<bool> b2 = dict.FindBoolByDottedPath("dict1.dict2.b2");
ASSERT_TRUE(b2.has_value());
EXPECT_FALSE(*b2);
const std::string* s1 = dict.FindStringByDottedPath("dict1.s1");
ASSERT_NE(nullptr, s1);
EXPECT_EQ("foo", *s1);
std::optional<double> d0 = dict.FindDouble("d0");
ASSERT_TRUE(d0.has_value());
EXPECT_EQ(0.0, *d0);
std::optional<bool> b0 = dict.FindBool("b0");
ASSERT_TRUE(b0.has_value());
EXPECT_TRUE(*b0);
const base::Value::List* a1 = dict.FindList("a1");
ASSERT_NE(nullptr, a1);
std::optional<int> a1i0 = (*a1)[0].GetIfInt();
ASSERT_TRUE(a1i0.has_value());
EXPECT_EQ(1, *a1i0);
std::optional<bool> a1b1 = (*a1)[1].GetIfBool();
ASSERT_TRUE(a1b1.has_value());
EXPECT_TRUE(*a1b1);
const base::Value& a1d2 = (*a1)[2];
ASSERT_TRUE(a1d2.is_dict());
std::optional<int> i2 = a1d2.GetDict().FindInt("i2");
ASSERT_TRUE(i2.has_value());
EXPECT_EQ(3, *i2);
const std::string* s0 = dict.FindString("s0");
ASSERT_NE(nullptr, s0);
EXPECT_EQ("foo", *s0);
}
TEST(TracedValueTest, Escape) {
auto value = std::make_unique<TracedValueJSON>();
value->SetStringWithCopiedName("s0", "value0\\");
value->SetStringWithCopiedName("s1", "value\n1");
value->SetStringWithCopiedName("s2", "\"value2\"");
value->SetStringWithCopiedName("s3\\", "value3");
value->SetStringWithCopiedName("\"s4\"", "value4");
std::optional<base::Value> parsed = ParseTracedValue(std::move(value));
ASSERT_TRUE(parsed->is_dict());
const base::Value::Dict& dict = parsed->GetDict();
const std::string* s0 = dict.FindString("s0");
ASSERT_NE(nullptr, s0);
EXPECT_EQ("value0\\", *s0);
const std::string* s1 = dict.FindString("s1");
ASSERT_NE(nullptr, s1);
EXPECT_EQ("value\n1", *s1);
const std::string* s2 = dict.FindString("s2");
ASSERT_NE(nullptr, s2);
EXPECT_EQ("\"value2\"", *s2);
const std::string* s3 = dict.FindString("s3\\");
ASSERT_NE(nullptr, s3);
EXPECT_EQ("value3", *s3);
const std::string* s4 = dict.FindString("\"s4\"");
ASSERT_NE(nullptr, s4);
EXPECT_EQ("value4", *s4);
}
TEST(TracedValueTest, NonCopiedNames) {
auto value = std::make_unique<TracedValueJSON>();
const char* int_str = "int";
const char* double_str = "double";
const char* bool_str = "bool";
const char* string_str = "string";
const char* array_str = "array";
value->SetInteger(int_str, 2014);
value->SetDouble(double_str, 0.0);
value->SetBoolean(bool_str, true);
value->SetString(string_str, "string");
value->BeginArray(array_str);
value->PushInteger(1);
value->PushInteger(2);
value->EndArray();
std::optional<base::Value> parsed = ParseTracedValue(std::move(value));
ASSERT_TRUE(parsed->is_dict());
const base::Value::Dict& dict = parsed->GetDict();
std::optional<int> int_value = dict.FindInt(int_str);
ASSERT_TRUE(int_value.has_value());
EXPECT_EQ(2014, *int_value);
std::optional<double> double_value = dict.FindDouble(double_str);
ASSERT_TRUE(double_value.has_value());
EXPECT_EQ(0.0, *double_value);
std::optional<bool> bool_value = dict.FindBool(bool_str);
ASSERT_TRUE(bool_value.has_value());
EXPECT_TRUE(*bool_value);
const std::string* string_value = dict.FindString(string_str);
ASSERT_NE(nullptr, string_value);
EXPECT_EQ("string", *string_value);
const base::Value::List* a1 = dict.FindList(array_str);
ASSERT_TRUE(a1);
ASSERT_FALSE(a1->empty());
std::optional<int> el0 = (*a1)[0].GetIfInt();
std::optional<int> el1 = (*a1)[1].GetIfInt();
ASSERT_TRUE(el0.has_value());
ASSERT_TRUE(el1.has_value());
EXPECT_EQ(1, *el0);
EXPECT_EQ(2, *el1);
}
} // namespace blink
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