mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
420 lines
9.3 KiB
C++
420 lines
9.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Assertions.h"
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#include "mozilla/JSONWriter.h"
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#include "mozilla/UniquePtr.h"
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#include <stdio.h>
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#include <string.h>
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using mozilla::JSONWriteFunc;
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using mozilla::JSONWriter;
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using mozilla::MakeUnique;
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// This writes all the output into a big buffer.
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struct StringWriteFunc : public JSONWriteFunc
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{
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const static size_t kLen = 100000;
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char mBuf[kLen];
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char* mPtr;
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StringWriteFunc() : mPtr(mBuf) {}
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void Write(const char* aStr)
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{
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char* last = mPtr + strlen(aStr); // where the nul will be added
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// If you change this test and this assertion fails, just make kLen bigger.
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MOZ_RELEASE_ASSERT(last < mBuf + kLen);
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sprintf(mPtr, "%s", aStr);
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mPtr = last;
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}
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};
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void Check(JSONWriteFunc* aFunc, const char* aExpected)
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{
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const char* actual = static_cast<StringWriteFunc*>(aFunc)->mBuf;
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if (strcmp(aExpected, actual) != 0) {
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fprintf(stderr,
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"---- EXPECTED ----\n<<<%s>>>\n"
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"---- ACTUAL ----\n<<<%s>>>\n",
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aExpected, actual);
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MOZ_RELEASE_ASSERT(false, "expected and actual output don't match");
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}
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}
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// Note: to convert actual output into |expected| strings that C++ can handle,
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// apply the following substitutions, in order, to each line.
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// - s/\\/\\\\/g # escapes backslashes
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// - s/"/\\"/g # escapes quotes
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// - s/$/\\n\\/ # adds a newline and string continuation char to each line
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void TestBasicProperties()
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{
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const char* expected = "\
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{\n\
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\"null\": null,\n\
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\"bool1\": true,\n\
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\"bool2\": false,\n\
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\"int1\": 123,\n\
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\"int2\": -123,\n\
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\"int3\": -123456789000,\n\
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\"double1\": 1.2345,\n\
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\"double2\": -3,\n\
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\"double3\": 1e-7,\n\
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\"double4\": 1.1111111111111111e+21,\n\
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\"string1\": \"\",\n\
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\"string2\": \"1234\",\n\
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\"string3\": \"hello\",\n\
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\"string4\": \"\\\" \\\\ \\u0007 \\b \\t \\n \\u000b \\f \\r\",\n\
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\"ptr1\": \"0x0\",\n\
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\"ptr2\": \"0xdeadbeef\",\n\
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\"ptr3\": \"0xfacade\",\n\
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\"len 0 array\": [\n\
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],\n\
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\"len 1 array\": [\n\
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1\n\
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],\n\
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\"len 5 array\": [\n\
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1,\n\
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2,\n\
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3,\n\
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4,\n\
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5\n\
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],\n\
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\"len 0 object\": {\n\
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},\n\
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\"len 1 object\": {\n\
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\"one\": 1\n\
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},\n\
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\"len 5 object\": {\n\
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\"one\": 1,\n\
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\"two\": 2,\n\
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\"three\": 3,\n\
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\"four\": 4,\n\
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\"five\": 5\n\
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}\n\
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}\n\
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";
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JSONWriter w(MakeUnique<StringWriteFunc>());
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w.Start();
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{
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w.NullProperty("null");
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w.BoolProperty("bool1", true);
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w.BoolProperty("bool2", false);
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w.IntProperty("int1", 123);
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w.IntProperty("int2", -0x7b);
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w.IntProperty("int3", -123456789000ll);
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w.DoubleProperty("double1", 1.2345);
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w.DoubleProperty("double2", -3);
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w.DoubleProperty("double3", 1e-7);
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w.DoubleProperty("double4", 1.1111111111111111e+21);
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w.StringProperty("string1", "");
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w.StringProperty("string2", "1234");
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w.StringProperty("string3", "hello");
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w.StringProperty("string4", "\" \\ \a \b \t \n \v \f \r");
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w.PointerProperty("ptr1", (void*)0x0);
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w.PointerProperty("ptr2", (void*)0xdeadbeef);
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w.PointerProperty("ptr3", (void*)0xFaCaDe);
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w.StartArrayProperty("len 0 array");
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w.EndArray();
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w.StartArrayProperty("len 1 array");
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{
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w.IntElement(1);
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}
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w.EndArray();
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w.StartArrayProperty("len 5 array");
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{
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w.IntElement(1);
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w.IntElement(2);
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w.IntElement(3);
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w.IntElement(4);
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w.IntElement(5);
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}
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w.EndArray();
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w.StartObjectProperty("len 0 object");
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w.EndObject();
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w.StartObjectProperty("len 1 object");
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{
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w.IntProperty("one", 1);
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}
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w.EndObject();
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w.StartObjectProperty("len 5 object");
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{
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w.IntProperty("one", 1);
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w.IntProperty("two", 2);
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w.IntProperty("three", 3);
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w.IntProperty("four", 4);
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w.IntProperty("five", 5);
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}
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w.EndObject();
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}
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w.End();
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Check(w.WriteFunc(), expected);
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}
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void TestBasicElements()
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{
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const char* expected = "\
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{\n\
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\"array\": [\n\
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null,\n\
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true,\n\
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false,\n\
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123,\n\
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-123,\n\
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-123456789000,\n\
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1.2345,\n\
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-3,\n\
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1e-7,\n\
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1.1111111111111111e+21,\n\
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\"\",\n\
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\"1234\",\n\
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\"hello\",\n\
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\"\\\" \\\\ \\u0007 \\b \\t \\n \\u000b \\f \\r\",\n\
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\"0x0\",\n\
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\"0xdeadbeef\",\n\
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\"0xfacade\",\n\
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[\n\
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],\n\
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[\n\
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1\n\
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],\n\
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[\n\
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1,\n\
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2,\n\
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3,\n\
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4,\n\
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5\n\
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],\n\
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{\n\
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},\n\
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{\n\
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\"one\": 1\n\
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},\n\
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{\n\
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\"one\": 1,\n\
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\"two\": 2,\n\
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\"three\": 3,\n\
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\"four\": 4,\n\
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\"five\": 5\n\
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}\n\
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]\n\
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}\n\
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";
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JSONWriter w(MakeUnique<StringWriteFunc>());
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w.Start();
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w.StartArrayProperty("array");
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{
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w.NullElement();
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w.BoolElement(true);
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w.BoolElement(false);
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w.IntElement(123);
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w.IntElement(-0x7b);
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w.IntElement(-123456789000ll);
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w.DoubleElement(1.2345);
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w.DoubleElement(-3);
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w.DoubleElement(1e-7);
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w.DoubleElement(1.1111111111111111e+21);
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w.StringElement("");
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w.StringElement("1234");
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w.StringElement("hello");
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w.StringElement("\" \\ \a \b \t \n \v \f \r");
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w.PointerElement((void*)0x0);
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w.PointerElement((void*)0xdeadbeef);
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w.PointerElement((void*)0xFaCaDe);
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w.StartArrayElement();
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w.EndArray();
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w.StartArrayElement();
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{
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w.IntElement(1);
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}
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w.EndArray();
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w.StartArrayElement();
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{
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w.IntElement(1);
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w.IntElement(2);
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w.IntElement(3);
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w.IntElement(4);
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w.IntElement(5);
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}
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w.EndArray();
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w.StartObjectElement();
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w.EndObject();
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w.StartObjectElement();
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{
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w.IntProperty("one", 1);
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}
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w.EndObject();
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w.StartObjectElement();
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{
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w.IntProperty("one", 1);
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w.IntProperty("two", 2);
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w.IntProperty("three", 3);
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w.IntProperty("four", 4);
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w.IntProperty("five", 5);
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}
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w.EndObject();
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}
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w.EndArray();
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w.End();
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Check(w.WriteFunc(), expected);
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}
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void TestStringEscaping()
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{
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// This test uses hexadecimal character escapes because UTF8 literals cause
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// problems for some compilers (see bug 1069726).
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const char* expected = "\
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{\n\
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\"ascii\": \"\x7F~}|{zyxwvutsrqponmlkjihgfedcba`_^]\\\\[ZYXWVUTSRQPONMLKJIHGFEDCBA@?>=<;:9876543210/.-,+*)('&%$#\\\"! \\u001f\\u001e\\u001d\\u001c\\u001b\\u001a\\u0019\\u0018\\u0017\\u0016\\u0015\\u0014\\u0013\\u0012\\u0011\\u0010\\u000f\\u000e\\r\\f\\u000b\\n\\t\\b\\u0007\\u0006\\u0005\\u0004\\u0003\\u0002\\u0001\",\n\
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\"\xD9\x85\xD8\xB1\xD8\xAD\xD8\xA8\xD8\xA7 \xD9\x87\xD9\x86\xD8\xA7\xD9\x83\": true,\n\
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\"\xD5\xA2\xD5\xA1\xD6\x80\xD5\xA5\xD6\x82 \xD5\xB9\xD5\xAF\xD5\xA1\": -123,\n\
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\"\xE4\xBD\xA0\xE5\xA5\xBD\": 1.234,\n\
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\"\xCE\xB3\xCE\xB5\xCE\xB9\xCE\xB1 \xCE\xB5\xCE\xBA\xCE\xB5\xCE\xAF\": \"\xD8\xB3\xD9\x84\xD8\xA7\xD9\x85\",\n\
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\"hall\xC3\xB3 \xC3\xBE" "arna\": \"0x1234\",\n\
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\"\xE3\x81\x93\xE3\x82\x93\xE3\x81\xAB\xE3\x81\xA1\xE3\x81\xAF\": {\n\
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\"\xD0\xBF\xD1\x80\xD0\xB8\xD0\xB2\xD0\xB5\xD1\x82\": [\n\
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]\n\
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}\n\
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}\n\
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";
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JSONWriter w(MakeUnique<StringWriteFunc>());
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// Test the string escaping behaviour.
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w.Start();
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{
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// Test all 127 ascii values. Do it in reverse order so that the 0
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// at the end serves as the null char.
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char buf[128];
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for (int i = 0; i < 128; i++) {
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buf[i] = 127 - i;
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}
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w.StringProperty("ascii", buf);
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// Test lots of unicode stuff. Note that this file is encoded as UTF-8.
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w.BoolProperty("\xD9\x85\xD8\xB1\xD8\xAD\xD8\xA8\xD8\xA7 \xD9\x87\xD9\x86\xD8\xA7\xD9\x83", true);
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w.IntProperty("\xD5\xA2\xD5\xA1\xD6\x80\xD5\xA5\xD6\x82 \xD5\xB9\xD5\xAF\xD5\xA1", -123);
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w.DoubleProperty("\xE4\xBD\xA0\xE5\xA5\xBD", 1.234);
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w.StringProperty("\xCE\xB3\xCE\xB5\xCE\xB9\xCE\xB1 \xCE\xB5\xCE\xBA\xCE\xB5\xCE\xAF", "\xD8\xB3\xD9\x84\xD8\xA7\xD9\x85");
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w.PointerProperty("hall\xC3\xB3 \xC3\xBE" "arna", (void*)0x1234);
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w.StartObjectProperty("\xE3\x81\x93\xE3\x82\x93\xE3\x81\xAB\xE3\x81\xA1\xE3\x81\xAF");
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{
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w.StartArrayProperty("\xD0\xBF\xD1\x80\xD0\xB8\xD0\xB2\xD0\xB5\xD1\x82");
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w.EndArray();
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}
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w.EndObject();
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}
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w.End();
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Check(w.WriteFunc(), expected);
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}
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void TestDeepNesting()
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{
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const char* expected = "\
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{\n\
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\"a\": [\n\
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{\n\
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\"a\": [\n\
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{\n\
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\"a\": [\n\
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{\n\
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\"a\": [\n\
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{\n\
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\"a\": [\n\
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{\n\
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\"a\": [\n\
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{\n\
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\"a\": [\n\
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{\n\
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\"a\": [\n\
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{\n\
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\"a\": [\n\
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{\n\
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\"a\": [\n\
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{\n\
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}\n\
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]\n\
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}\n\
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]\n\
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}\n\
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]\n\
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}\n\
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]\n\
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}\n\
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]\n\
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}\n\
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]\n\
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}\n\
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]\n\
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}\n\
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]\n\
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}\n\
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]\n\
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}\n\
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]\n\
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}\n\
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";
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JSONWriter w(MakeUnique<StringWriteFunc>());
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w.Start();
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{
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static const int n = 10;
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for (int i = 0; i < n; i++) {
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w.StartArrayProperty("a");
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w.StartObjectElement();
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}
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for (int i = 0; i < n; i++) {
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w.EndObject();
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w.EndArray();
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}
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}
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w.End();
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Check(w.WriteFunc(), expected);
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}
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int main(void)
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{
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TestBasicProperties();
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TestBasicElements();
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TestStringEscaping();
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TestDeepNesting();
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return 0;
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}
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