base/trace_event/trace_event_argument_unittest.cc

   1 // Copyright (c) 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/trace_event/trace_event_argument.h"
   6 #include "base/values.h"
   7 #include "testing/gtest/include/gtest/gtest.h"
   8
   9 namespace base {
  10 namespace trace_event {
  11
  12 TEST(TraceEventArgumentTest, FlatDictionary) {
  13   scoped_refptr<TracedValue> value = new TracedValue();
  14   value->SetInteger("int", 2014);
  15   value->SetDouble("double", 0.0);
  16   value->SetBoolean("bool", true);
  17   value->SetString("string", "string");
  18   std::string json = "PREFIX";
  19   value->AppendAsTraceFormat(&json);
  20   EXPECT_EQ(
  21       "PREFIX{\"bool\":true,\"double\":0.0,\"int\":2014,\"string\":\"string\"}",
  22       json);
  23 }
  24
  25 TEST(TraceEventArgumentTest, NoDotPathExpansion) {
  26   scoped_refptr<TracedValue> value = new TracedValue();
  27   value->SetInteger("in.t", 2014);
  28   value->SetDouble("doub.le", 0.0);
  29   value->SetBoolean("bo.ol", true);
  30   value->SetString("str.ing", "str.ing");
  31   std::string json;
  32   value->AppendAsTraceFormat(&json);
  33   EXPECT_EQ(
  34       "{\"bo.ol\":true,\"doub.le\":0.0,\"in.t\":2014,\"str.ing\":\"str.ing\"}",
  35       json);
  36 }
  37
  38 TEST(TraceEventArgumentTest, Hierarchy) {
  39   scoped_refptr<TracedValue> value = new TracedValue();
  40   value->SetInteger("i0", 2014);
  41   value->BeginDictionary("dict1");
  42   value->SetInteger("i1", 2014);
  43   value->BeginDictionary("dict2");
  44   value->SetBoolean("b2", false);
  45   value->EndDictionary();
  46   value->SetString("s1", "foo");
  47   value->EndDictionary();
  48   value->SetDouble("d0", 0.0);
  49   value->SetBoolean("b0", true);
  50   value->BeginArray("a1");
  51   value->AppendInteger(1);
  52   value->AppendBoolean(true);
  53   value->BeginDictionary();
  54   value->SetInteger("i2", 3);
  55   value->EndDictionary();
  56   value->EndArray();
  57   value->SetString("s0", "foo");
  58   std::string json;
  59   value->AppendAsTraceFormat(&json);
  60   EXPECT_EQ(
  61       "{\"a1\":[1,true,{\"i2\":3}],\"b0\":true,\"d0\":0.0,\"dict1\":{\"dict2\":"
  62       "{\"b2\":false},\"i1\":2014,\"s1\":\"foo\"},\"i0\":2014,\"s0\":"
  63       "\"foo\"}",
  64       json);
  65 }
  66
  67 TEST(TraceEventArgumentTest, LongStrings) {
  68   std::string kLongString = "supercalifragilisticexpialidocious";
  69   std::string kLongString2 = "0123456789012345678901234567890123456789";
  70   char kLongString3[4096];
  71   for (size_t i = 0; i < sizeof(kLongString3); ++i)
  72     kLongString3[i] = 'a' + (i % 25);
  73   kLongString3[sizeof(kLongString3) - 1] = '\0';
  74
  75   scoped_refptr<TracedValue> value = new TracedValue();
  76   value->SetString("a", "short");
  77   value->SetString("b", kLongString);
  78   value->BeginArray("c");
  79   value->AppendString(kLongString2);
  80   value->AppendString("");
  81   value->BeginDictionary();
  82   value->SetString("a", kLongString3);
  83   value->EndDictionary();
  84   value->EndArray();
  85
  86   std::string json;
  87   value->AppendAsTraceFormat(&json);
  88   EXPECT_EQ("{\"a\":\"short\",\"b\":\"" + kLongString + "\",\"c\":[\"" +
  89                 kLongString2 + "\",\"\",{\"a\":\"" + kLongString3 + "\"}]}",
  90             json);
  91 }
  92
  93 TEST(TraceEventArgumentTest, PassBaseValue) {
  94   FundamentalValue int_value(42);
  95   FundamentalValue bool_value(true);
  96   FundamentalValue double_value(42.0f);
  97
  98   auto dict_value = make_scoped_ptr(new DictionaryValue);
  99   dict_value->SetBoolean("bool", true);
 100   dict_value->SetInteger("int", 42);
 101   dict_value->SetDouble("double", 42.0f);
 102   dict_value->SetString("string", std::string("a") + "b");
 103   dict_value->SetString("string", std::string("a") + "b");
 104
 105   auto list_value = make_scoped_ptr(new ListValue);
 106   list_value->AppendBoolean(false);
 107   list_value->AppendInteger(1);
 108   list_value->AppendString("in_list");
 109   list_value->Append(dict_value.Pass());
 110
 111   scoped_refptr<TracedValue> value = new TracedValue();
 112   value->BeginDictionary("outer_dict");
 113   value->SetValue("inner_list", list_value.Pass());
 114   value->EndDictionary();
 115
 116   dict_value.reset();
 117   list_value.reset();
 118
 119   std::string json;
 120   value->AppendAsTraceFormat(&json);
 121   EXPECT_EQ(
 122       "{\"outer_dict\":{\"inner_list\":[false,1,\"in_list\",{\"bool\":true,"
 123       "\"double\":42.0,\"int\":42,\"string\":\"ab\"}]}}",
 124       json);
 125 }
 126
 127 TEST(TraceEventArgumentTest, PassTracedValue) {
 128   auto dict_value = make_scoped_refptr(new TracedValue);
 129   dict_value->SetInteger("a", 1);
 130
 131   auto nested_dict_value = make_scoped_refptr(new TracedValue);
 132   nested_dict_value->SetInteger("b", 2);
 133   nested_dict_value->BeginArray("c");
 134   nested_dict_value->AppendString("foo");
 135   nested_dict_value->EndArray();
 136
 137   dict_value->SetValue("e", *nested_dict_value);
 138
 139   // Check the merged result.
 140   std::string json;
 141   dict_value->AppendAsTraceFormat(&json);
 142   EXPECT_EQ("{\"a\":1,\"e\":{\"b\":2,\"c\":[\"foo\"]}}", json);
 143
 144   // Check that the passed nestd dict was left unouthced.
 145   json = "";
 146   nested_dict_value->AppendAsTraceFormat(&json);
 147   EXPECT_EQ("{\"b\":2,\"c\":[\"foo\"]}", json);
 148
 149   // And that it is still usable.
 150   nested_dict_value->SetInteger("f", 3);
 151   nested_dict_value->BeginDictionary("g");
 152   nested_dict_value->EndDictionary();
 153   json = "";
 154   nested_dict_value->AppendAsTraceFormat(&json);
 155   EXPECT_EQ("{\"b\":2,\"c\":[\"foo\"],\"f\":3,\"g\":{}}", json);
 156 }
 157
 158 }  // namespace trace_event
 159 }  // namespace base