80452bee11
It's a tiny, core-ish component -- might as well treat as such to simplify dependencies. Change-Id: I6f31ce2d151f9a629d88bfc7f15d64891d5150c0 Reviewed-on: https://skia-review.googlesource.com/135780 Reviewed-by: Mike Klein <mtklein@google.com> Reviewed-by: Kevin Lubick <kjlubick@google.com> Commit-Queue: Florin Malita <fmalita@chromium.org>
389 lines
14 KiB
C++
389 lines
14 KiB
C++
/*
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* Copyright 2018 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Test.h"
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#include "SkArenaAlloc.h"
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#include "SkJSON.h"
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#include "SkString.h"
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#include "SkStream.h"
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using namespace skjson;
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DEF_TEST(JSON_Parse, reporter) {
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static constexpr struct {
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const char* in;
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const char* out;
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} g_tests[] = {
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{ "" , nullptr },
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{ "[" , nullptr },
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{ "]" , nullptr },
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{ "[[]" , nullptr },
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{ "[]]" , nullptr },
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{ "[]f" , nullptr },
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{ "{" , nullptr },
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{ "}" , nullptr },
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{ "{{}" , nullptr },
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{ "{}}" , nullptr },
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{ "{}f" , nullptr },
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{ "{]" , nullptr },
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{ "[}" , nullptr },
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{ "{\"}" , nullptr },
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{ "[\"]" , nullptr },
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{ "1" , nullptr },
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{ "true" , nullptr },
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{ "false", nullptr },
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{ "null" , nullptr },
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{ "[nulll]" , nullptr },
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{ "[false2]", nullptr },
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{ "[true:]" , nullptr },
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{ "[1 2]" , nullptr },
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{ "[1,,2]" , nullptr },
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{ "[1,2,]" , nullptr },
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{ "[,1,2]" , nullptr },
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{ "[ \"foo" , nullptr },
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{ "[ \"fo\0o\" ]" , nullptr },
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{ "{\"\":{}" , nullptr },
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{ "{ null }" , nullptr },
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{ "{ \"k\" : }" , nullptr },
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{ "{ : null }" , nullptr },
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{ "{ \"k\" : : null }" , nullptr },
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{ "{ \"k\" : null , }" , nullptr },
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{ "{ \"k\" : null \"k\" : 1 }", nullptr },
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{ "[]" , "[]" },
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{ " \n\r\t [ \n\r\t ] \n\r\t " , "[]" },
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{ "[[]]" , "[[]]" },
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{ "[ null ]" , "[null]" },
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{ "[ true ]" , "[true]" },
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{ "[ false ]" , "[false]" },
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{ "[ 0 ]" , "[0]" },
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{ "[ 1 ]" , "[1]" },
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{ "[ 1.248 ]" , "[1.248]" },
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{ "[ \"\" ]" , "[\"\"]" },
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{ "[ \"foo{bar}baz\" ]" , "[\"foo{bar}baz\"]" },
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{ "[ \" f o o \" ]" , "[\" f o o \"]" },
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{ "[ \"123456\" ]" , "[\"123456\"]" },
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{ "[ \"1234567\" ]" , "[\"1234567\"]" },
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{ "[ \"12345678\" ]" , "[\"12345678\"]" },
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{ "[ \"123456789\" ]" , "[\"123456789\"]" },
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{ "[ null , true, false,0,12.8 ]", "[null,true,false,0,12.8]" },
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{ "{}" , "{}" },
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{ " \n\r\t { \n\r\t } \n\r\t " , "{}" },
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{ "{ \"k\" : null }" , "{\"k\":null}" },
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{ "{ \"foo{\" : \"bar}baz\" }" , "{\"foo{\":\"bar}baz\"}" },
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{ "{ \"k1\" : null, \"k2 \":0 }", "{\"k1\":null,\"k2 \":0}" },
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{ "{ \"k1\" : null, \"k1\":0 }" , "{\"k1\":null,\"k1\":0}" },
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{ "{ \"k1\" : null, \n\
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\"k2\" : 0, \n\
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\"k3\" : [ \n\
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true, \r\n\
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{ \"kk1\" : \"foo\" , \n\
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\"kk2\" : \"bar\" , \n\
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\"kk3\" : 1.28 , \n\
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\"kk4\" : [ 42 ] \n\
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} , \n\
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\"boo\" , \n\
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null \n\
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] \n\
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}",
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"{\"k1\":null,\"k2\":0,\"k3\":[true,"
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"{\"kk1\":\"foo\",\"kk2\":\"bar\",\"kk3\":1.28,\"kk4\":[42]},\"boo\",null]}" },
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};
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for (const auto& tst : g_tests) {
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DOM dom(tst.in, strlen(tst.in));
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const auto success = !dom.root().is<NullValue>();
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REPORTER_ASSERT(reporter, success == (tst.out != nullptr));
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if (!success) continue;
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SkDynamicMemoryWStream str;
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dom.write(&str);
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str.write8('\0');
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auto data = str.detachAsData();
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REPORTER_ASSERT(reporter, !strcmp(tst.out, static_cast<const char*>(data->data())));
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}
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}
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template <typename T, typename VT>
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static void check_primitive(skiatest::Reporter* reporter, const Value& v, T pv,
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bool is_type) {
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REPORTER_ASSERT(reporter, v.is<VT>() == is_type);
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const VT* cast_t = v;
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REPORTER_ASSERT(reporter, (cast_t != nullptr) == is_type);
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if (is_type) {
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REPORTER_ASSERT(reporter, &v.as<VT>() == cast_t);
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REPORTER_ASSERT(reporter, *v.as<VT>() == pv);
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}
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}
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template <typename T>
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static void check_vector(skiatest::Reporter* reporter, const Value& v, size_t expected_size,
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bool is_vector) {
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REPORTER_ASSERT(reporter, v.is<T>() == is_vector);
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const T* cast_t = v;
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REPORTER_ASSERT(reporter, (cast_t != nullptr) == is_vector);
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if (is_vector) {
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const auto& vec = v.as<T>();
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REPORTER_ASSERT(reporter, &vec == cast_t);
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REPORTER_ASSERT(reporter, vec.size() == expected_size);
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REPORTER_ASSERT(reporter, vec.begin() != nullptr);
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REPORTER_ASSERT(reporter, vec.end() == vec.begin() + expected_size);
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}
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}
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static void check_string(skiatest::Reporter* reporter, const Value& v, const char* s) {
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check_vector<StringValue>(reporter, v, s ? strlen(s) : 0, !!s);
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if (s) {
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REPORTER_ASSERT(reporter, !strcmp(v.as<StringValue>().begin(), s));
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}
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}
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DEF_TEST(JSON_DOM_visit, reporter) {
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static constexpr char json[] = "{ \n\
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\"k1\": null, \n\
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\"k2\": false, \n\
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\"k3\": true, \n\
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\"k4\": 42, \n\
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\"k5\": .75, \n\
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\"k6\": \"foo\", \n\
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\"k7\": [ 1, true, \"bar\" ], \n\
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\"k8\": { \"kk1\": 2, \"kk2\": false, \"kk1\": \"baz\" } \n\
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}";
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DOM dom(json, strlen(json));
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const auto& jroot = dom.root().as<ObjectValue>();
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REPORTER_ASSERT(reporter, jroot.is<ObjectValue>());
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{
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const auto& v = jroot["k1"];
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REPORTER_ASSERT(reporter, v.is<NullValue>());
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check_primitive<bool, BoolValue>(reporter, v, false, false);
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check_primitive<float, NumberValue>(reporter, v, 0, false);
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check_string(reporter, v, nullptr);
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check_vector<ArrayValue >(reporter, v, 0, false);
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check_vector<ObjectValue>(reporter, v, 0, false);
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}
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{
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const auto& v = jroot["k2"];
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REPORTER_ASSERT(reporter, !v.is<NullValue>());
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check_primitive<bool, BoolValue>(reporter, v, false, true);
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check_primitive<float, NumberValue>(reporter, v, 0, false);
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check_string(reporter, v, nullptr);
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check_vector<ArrayValue >(reporter, v, 0, false);
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check_vector<ObjectValue>(reporter, v, 0, false);
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}
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{
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const auto& v = jroot["k3"];
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REPORTER_ASSERT(reporter, !v.is<NullValue>());
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check_primitive<bool, BoolValue>(reporter, v, true, true);
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check_primitive<float, NumberValue>(reporter, v, 0, false);
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check_string(reporter, v, nullptr);
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check_vector<ArrayValue >(reporter, v, 0, false);
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check_vector<ObjectValue>(reporter, v, 0, false);
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}
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{
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const auto& v = jroot["k4"];
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REPORTER_ASSERT(reporter, !v.is<NullValue>());
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check_primitive<bool, BoolValue>(reporter, v, false, false);
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check_primitive<float, NumberValue>(reporter, v, 42, true);
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check_string(reporter, v, nullptr);
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check_vector<ArrayValue >(reporter, v, 0, false);
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check_vector<ObjectValue>(reporter, v, 0, false);
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}
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{
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const auto& v = jroot["k5"];
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REPORTER_ASSERT(reporter, !v.is<NullValue>());
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check_primitive<bool, BoolValue>(reporter, v, false, false);
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check_primitive<float, NumberValue>(reporter, v, .75f, true);
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check_string(reporter, v, nullptr);
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check_vector<ArrayValue >(reporter, v, 0, false);
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check_vector<ObjectValue>(reporter, v, 0, false);
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}
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{
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const auto& v = jroot["k6"];
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REPORTER_ASSERT(reporter, !v.is<NullValue>());
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check_primitive<bool, BoolValue>(reporter, v, false, false);
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check_primitive<float, NumberValue>(reporter, v, 0, false);
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check_string(reporter, v, "foo");
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check_vector<ArrayValue >(reporter, v, 0, false);
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check_vector<ObjectValue>(reporter, v, 0, false);
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}
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{
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const auto& v = jroot["k7"];
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REPORTER_ASSERT(reporter, !v.is<NullValue>());
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check_primitive<bool, BoolValue>(reporter, v, false, false);
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check_primitive<float, NumberValue>(reporter, v, 0, false);
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check_string(reporter, v, nullptr);
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check_vector<ObjectValue>(reporter, v, 0, false);
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check_vector<ArrayValue >(reporter, v, 3, true);
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check_primitive<float, NumberValue>(reporter, v.as<ArrayValue>()[0], 1, true);
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check_primitive<bool, BoolValue>(reporter, v.as<ArrayValue>()[1], true, true);
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check_vector<StringValue>(reporter, v.as<ArrayValue>()[2], 3, true);
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}
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{
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const auto& v = jroot["k8"];
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REPORTER_ASSERT(reporter, !v.is<NullValue>());
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check_primitive<bool, BoolValue>(reporter, v, false, false);
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check_primitive<float, NumberValue>(reporter, v, 0, false);
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check_string(reporter, v, nullptr);
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check_vector<ArrayValue >(reporter, v, 0, false);
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check_vector<ObjectValue>(reporter, v, 3, true);
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const auto& m0 = v.as<ObjectValue>().begin()[0];
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check_string(reporter, m0.fKey, "kk1");
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check_primitive<float, NumberValue>(reporter, m0.fValue, 2, true);
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const auto& m1 = v.as<ObjectValue>().begin()[1];
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check_string(reporter, m1.fKey, "kk2");
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check_primitive<bool, BoolValue>(reporter, m1.fValue, false, true);
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const auto& m2 = v.as<ObjectValue>().begin()[2];
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check_string(reporter, m2.fKey, "kk1");
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check_string(reporter, m2.fValue, "baz");
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REPORTER_ASSERT(reporter, v.as<ObjectValue>()[""].is<NullValue>());
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REPORTER_ASSERT(reporter, v.as<ObjectValue>()["nosuchkey"].is<NullValue>());
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check_string(reporter, v.as<ObjectValue>()["kk1"], "baz");
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check_primitive<bool, BoolValue>(reporter, v.as<ObjectValue>()["kk2"], false, true);
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}
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}
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template <typename T>
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void check_value(skiatest::Reporter* reporter, const Value& v, const char* expected_string) {
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REPORTER_ASSERT(reporter, v.is<T>());
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const T* cast_t = v;
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REPORTER_ASSERT(reporter, cast_t == &v.as<T>());
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const auto vstr = v.toString();
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REPORTER_ASSERT(reporter, 0 == strcmp(expected_string, vstr.c_str()));
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}
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DEF_TEST(JSON_DOM_build, reporter) {
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SkArenaAlloc alloc(4096);
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const auto v0 = NullValue();
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check_value<NullValue>(reporter, v0, "null");
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const auto v1 = BoolValue(true);
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check_value<BoolValue>(reporter, v1, "true");
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const auto v2 = BoolValue(false);
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check_value<BoolValue>(reporter, v2, "false");
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const auto v3 = NumberValue(0);
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check_value<NumberValue>(reporter, v3, "0");
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const auto v4 = NumberValue(42);
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check_value<NumberValue>(reporter, v4, "42");
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const auto v5 = NumberValue(42.75f);
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check_value<NumberValue>(reporter, v5, "42.75");
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const auto v6 = StringValue(nullptr, 0, alloc);
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check_value<StringValue>(reporter, v6, "\"\"");
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const auto v7 = StringValue(" foo ", 5, alloc);
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check_value<StringValue>(reporter, v7, "\" foo \"");
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const auto v8 = StringValue(" foo bar baz ", 13, alloc);
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check_value<StringValue>(reporter, v8, "\" foo bar baz \"");
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const auto v9 = ArrayValue(nullptr, 0, alloc);
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check_value<ArrayValue>(reporter, v9, "[]");
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const Value values0[] = { v0, v3, v9 };
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const auto v10 = ArrayValue(values0, SK_ARRAY_COUNT(values0), alloc);
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check_value<ArrayValue>(reporter, v10, "[null,0,[]]");
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const auto v11 = ObjectValue(nullptr, 0, alloc);
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check_value<ObjectValue>(reporter, v11, "{}");
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const Member members0[] = {
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{ StringValue("key_0", 5, alloc), v1 },
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{ StringValue("key_1", 5, alloc), v4 },
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{ StringValue("key_2", 5, alloc), v11 },
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};
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const auto v12 = ObjectValue(members0, SK_ARRAY_COUNT(members0), alloc);
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check_value<ObjectValue>(reporter, v12, "{"
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"\"key_0\":true,"
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"\"key_1\":42,"
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"\"key_2\":{}"
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"}");
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const Value values1[] = { v2, v6, v12 };
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const auto v13 = ArrayValue(values1, SK_ARRAY_COUNT(values1), alloc);
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check_value<ArrayValue>(reporter, v13, "["
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"false,"
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"\"\","
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"{"
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"\"key_0\":true,"
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"\"key_1\":42,"
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"\"key_2\":{}"
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"}"
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"]");
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const Member members1[] = {
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{ StringValue("key_00", 6, alloc), v5 },
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{ StringValue("key_01", 6, alloc), v7 },
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{ StringValue("key_02", 6, alloc), v13 },
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};
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const auto v14 = ObjectValue(members1, SK_ARRAY_COUNT(members1), alloc);
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check_value<ObjectValue>(reporter, v14, "{"
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"\"key_00\":42.75,"
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"\"key_01\":\" foo \","
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"\"key_02\":["
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"false,"
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"\"\","
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"{"
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"\"key_0\":true,"
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"\"key_1\":42,"
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"\"key_2\":{}"
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"}"
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"]"
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"}");
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}
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