From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- mfbt/tests/TestJSONWriter.cpp | 657 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 657 insertions(+) create mode 100644 mfbt/tests/TestJSONWriter.cpp (limited to 'mfbt/tests/TestJSONWriter.cpp') diff --git a/mfbt/tests/TestJSONWriter.cpp b/mfbt/tests/TestJSONWriter.cpp new file mode 100644 index 0000000000..a90732396f --- /dev/null +++ b/mfbt/tests/TestJSONWriter.cpp @@ -0,0 +1,657 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/Assertions.h" +#include "mozilla/JSONWriter.h" +#include "mozilla/UniquePtr.h" +#include +#include +#include + +using mozilla::JSONWriteFunc; +using mozilla::JSONWriter; +using mozilla::MakeStringSpan; +using mozilla::MakeUnique; +using mozilla::Span; + +// This writes all the output into a big buffer. +struct StringWriteFunc final : public JSONWriteFunc { + std::string mString; + + void Write(const mozilla::Span& aStr) final { + mString.append(aStr.data(), aStr.size()); + } +}; + +void Check(JSONWriter& aWriter, const char* aExpected) { + JSONWriteFunc& func = aWriter.WriteFunc(); + const std::string& actual = static_cast(func).mString; + if (strcmp(aExpected, actual.c_str()) != 0) { + fprintf(stderr, + "---- EXPECTED ----\n<<<%s>>>\n" + "---- ACTUAL ----\n<<<%s>>>\n", + aExpected, actual.c_str()); + MOZ_RELEASE_ASSERT(false, "expected and actual output don't match"); + } +} + +// Note: to convert actual output into |expected| strings that C++ can handle, +// apply the following substitutions, in order, to each line. +// - s/\\/\\\\/g # escapes backslashes +// - s/"/\\"/g # escapes quotes +// - s/$/\\n\\/ # adds a newline and string continuation char to each line + +void TestBasicProperties() { + const char* expected = + "\ +{\n\ + \"null\": null,\n\ + \"bool1\": true,\n\ + \"bool2\": false,\n\ + \"int1\": 123,\n\ + \"int2\": -123,\n\ + \"int3\": -123456789000,\n\ + \"double1\": 1.2345,\n\ + \"double2\": -3,\n\ + \"double3\": 1e-7,\n\ + \"double4\": 1.1111111111111111e+21,\n\ + \"string1\": \"\",\n\ + \"string2\": \"1234\",\n\ + \"string3\": \"hello\",\n\ + \"string4\": \"\\\" \\\\ \\u0007 \\b \\t \\n \\u000b \\f \\r\",\n\ + \"string5\": \"hello\",\n\ + \"string6\": \"\\\" \\\\ \\u0007 \\b \\t \",\n\ + \"span1\": \"buf1\",\n\ + \"span2\": \"buf2\",\n\ + \"span3\": \"buf3\",\n\ + \"span4\": \"buf\\n4\",\n\ + \"span5\": \"MakeStringSpan\",\n\ + \"len 0 array, multi-line\": [\n\ + ],\n\ + \"len 0 array, single-line\": [],\n\ + \"len 1 array\": [\n\ + 1\n\ + ],\n\ + \"len 5 array, multi-line\": [\n\ + 1,\n\ + 2,\n\ + 3,\n\ + 4,\n\ + 5\n\ + ],\n\ + \"len 3 array, single-line\": [1, [{}, 2, []], 3],\n\ + \"len 0 object, multi-line\": {\n\ + },\n\ + \"len 0 object, single-line\": {},\n\ + \"len 1 object\": {\n\ + \"one\": 1\n\ + },\n\ + \"len 5 object\": {\n\ + \"one\": 1,\n\ + \"two\": 2,\n\ + \"three\": 3,\n\ + \"four\": 4,\n\ + \"five\": 5\n\ + },\n\ + \"len 3 object, single-line\": {\"a\": 1, \"b\": [{}, 2, []], \"c\": 3}\n\ +}\n\ +"; + + JSONWriter w(MakeUnique()); + + w.Start(); + { + w.NullProperty("null"); + + w.BoolProperty("bool1", true); + w.BoolProperty("bool2", false); + + w.IntProperty("int1", 123); + w.IntProperty("int2", -0x7b); + w.IntProperty("int3", -123456789000ll); + + w.DoubleProperty("double1", 1.2345); + w.DoubleProperty("double2", -3); + w.DoubleProperty("double3", 1e-7); + w.DoubleProperty("double4", 1.1111111111111111e+21); + + w.StringProperty("string1", ""); + w.StringProperty("string2", "1234"); + w.StringProperty("string3", "hello"); + w.StringProperty("string4", "\" \\ \a \b \t \n \v \f \r"); + w.StringProperty("string5", "hello\0cut"); // '\0' marks the end. + w.StringProperty("string6", "\" \\ \a \b \t \0 \n \v \f \r"); + + const char buf1[] = {'b', 'u', 'f', '1'}; + w.StringProperty("span1", buf1); + const char buf2[] = {'b', 'u', 'f', '2', '\0'}; + w.StringProperty("span2", buf2); + const char buf3[] = {'b', 'u', 'f', '3', '\0', '?'}; + w.StringProperty("span3", buf3); + const char buf4[] = {'b', 'u', 'f', '\n', '4', '\0', '?'}; + w.StringProperty("span4", buf4); + w.StringProperty("span5", MakeStringSpan("MakeStringSpan")); + + w.StartArrayProperty("len 0 array, multi-line", w.MultiLineStyle); + w.EndArray(); + + w.StartArrayProperty("len 0 array, single-line", w.SingleLineStyle); + w.EndArray(); + + w.StartArrayProperty("len 1 array"); + { w.IntElement(1); } + w.EndArray(); + + w.StartArrayProperty("len 5 array, multi-line", w.MultiLineStyle); + { + w.IntElement(1); + w.IntElement(2); + w.IntElement(3); + w.IntElement(4); + w.IntElement(5); + } + w.EndArray(); + + w.StartArrayProperty("len 3 array, single-line", w.SingleLineStyle); + { + w.IntElement(1); + w.StartArrayElement(); + { + w.StartObjectElement(w.SingleLineStyle); + w.EndObject(); + + w.IntElement(2); + + w.StartArrayElement(w.MultiLineStyle); // style overridden from above + w.EndArray(); + } + w.EndArray(); + w.IntElement(3); + } + w.EndArray(); + + w.StartObjectProperty("len 0 object, multi-line"); + w.EndObject(); + + w.StartObjectProperty("len 0 object, single-line", w.SingleLineStyle); + w.EndObject(); + + w.StartObjectProperty("len 1 object"); + { w.IntProperty("one", 1); } + w.EndObject(); + + w.StartObjectProperty("len 5 object"); + { + w.IntProperty("one", 1); + w.IntProperty("two", 2); + w.IntProperty("three", 3); + w.IntProperty("four", 4); + w.IntProperty("five", 5); + } + w.EndObject(); + + w.StartObjectProperty("len 3 object, single-line", w.SingleLineStyle); + { + w.IntProperty("a", 1); + w.StartArrayProperty("b"); + { + w.StartObjectElement(); + w.EndObject(); + + w.IntElement(2); + + w.StartArrayElement(w.SingleLineStyle); + w.EndArray(); + } + w.EndArray(); + w.IntProperty("c", 3); + } + w.EndObject(); + } + w.End(); + + Check(w, expected); +} + +void TestBasicElements() { + const char* expected = + "\ +{\n\ + \"array\": [\n\ + null,\n\ + true,\n\ + false,\n\ + 123,\n\ + -123,\n\ + -123456789000,\n\ + 1.2345,\n\ + -3,\n\ + 1e-7,\n\ + 1.1111111111111111e+21,\n\ + \"\",\n\ + \"1234\",\n\ + \"hello\",\n\ + \"\\\" \\\\ \\u0007 \\b \\t \\n \\u000b \\f \\r\",\n\ + \"hello\",\n\ + \"\\\" \\\\ \\u0007 \\b \\t \",\n\ + \"buf1\",\n\ + \"buf2\",\n\ + \"buf3\",\n\ + \"buf\\n4\",\n\ + \"MakeStringSpan\",\n\ + [\n\ + ],\n\ + [],\n\ + [\n\ + 1\n\ + ],\n\ + [\n\ + 1,\n\ + 2,\n\ + 3,\n\ + 4,\n\ + 5\n\ + ],\n\ + [1, [{}, 2, []], 3],\n\ + {\n\ + },\n\ + {},\n\ + {\n\ + \"one\": 1\n\ + },\n\ + {\n\ + \"one\": 1,\n\ + \"two\": 2,\n\ + \"three\": 3,\n\ + \"four\": 4,\n\ + \"five\": 5\n\ + },\n\ + {\"a\": 1, \"b\": [{}, 2, []], \"c\": 3}\n\ + ]\n\ +}\n\ +"; + + JSONWriter w(MakeUnique()); + + w.Start(); + w.StartArrayProperty("array"); + { + w.NullElement(); + + w.BoolElement(true); + w.BoolElement(false); + + w.IntElement(123); + w.IntElement(-0x7b); + w.IntElement(-123456789000ll); + + w.DoubleElement(1.2345); + w.DoubleElement(-3); + w.DoubleElement(1e-7); + w.DoubleElement(1.1111111111111111e+21); + + w.StringElement(""); + w.StringElement("1234"); + w.StringElement("hello"); + w.StringElement("\" \\ \a \b \t \n \v \f \r"); + w.StringElement("hello\0cut"); // '\0' marks the end. + w.StringElement("\" \\ \a \b \t \0 \n \v \f \r"); + + const char buf1[] = {'b', 'u', 'f', '1'}; + w.StringElement(buf1); + const char buf2[] = {'b', 'u', 'f', '2', '\0'}; + w.StringElement(buf2); + const char buf3[] = {'b', 'u', 'f', '3', '\0', '?'}; + w.StringElement(buf3); + const char buf4[] = {'b', 'u', 'f', '\n', '4', '\0', '?'}; + w.StringElement(buf4); + w.StringElement(MakeStringSpan("MakeStringSpan")); + + w.StartArrayElement(); + w.EndArray(); + + w.StartArrayElement(w.SingleLineStyle); + w.EndArray(); + + w.StartArrayElement(); + { w.IntElement(1); } + w.EndArray(); + + w.StartArrayElement(); + { + w.IntElement(1); + w.IntElement(2); + w.IntElement(3); + w.IntElement(4); + w.IntElement(5); + } + w.EndArray(); + + w.StartArrayElement(w.SingleLineStyle); + { + w.IntElement(1); + w.StartArrayElement(); + { + w.StartObjectElement(w.SingleLineStyle); + w.EndObject(); + + w.IntElement(2); + + w.StartArrayElement(w.MultiLineStyle); // style overridden from above + w.EndArray(); + } + w.EndArray(); + w.IntElement(3); + } + w.EndArray(); + + w.StartObjectElement(); + w.EndObject(); + + w.StartObjectElement(w.SingleLineStyle); + w.EndObject(); + + w.StartObjectElement(); + { w.IntProperty("one", 1); } + w.EndObject(); + + w.StartObjectElement(); + { + w.IntProperty("one", 1); + w.IntProperty("two", 2); + w.IntProperty("three", 3); + w.IntProperty("four", 4); + w.IntProperty("five", 5); + } + w.EndObject(); + + w.StartObjectElement(w.SingleLineStyle); + { + w.IntProperty("a", 1); + w.StartArrayProperty("b"); + { + w.StartObjectElement(); + w.EndObject(); + + w.IntElement(2); + + w.StartArrayElement(w.SingleLineStyle); + w.EndArray(); + } + w.EndArray(); + w.IntProperty("c", 3); + } + w.EndObject(); + } + w.EndArray(); + w.End(); + + Check(w, expected); +} + +void TestOneLineObject() { + const char* expected = + "\ +{\"i\": 1, \"array\": [null, [{}], {\"o\": {}}, \"s\"], \"d\": 3.33}\n\ +"; + + JSONWriter w(MakeUnique()); + + w.Start(w.SingleLineStyle); + + w.IntProperty("i", 1); + + w.StartArrayProperty("array"); + { + w.NullElement(); + + w.StartArrayElement(w.MultiLineStyle); // style overridden from above + { + w.StartObjectElement(); + w.EndObject(); + } + w.EndArray(); + + w.StartObjectElement(); + { + w.StartObjectProperty("o"); + w.EndObject(); + } + w.EndObject(); + + w.StringElement("s"); + } + w.EndArray(); + + w.DoubleProperty("d", 3.33); + + w.End(); + + Check(w, expected); +} + +void TestOneLineJson() { + const char* expected = + "\ +{\"i\":1,\"array\":[null,[{}],{\"o\":{}},\"s\"],\"d\":3.33}\ +"; + + StringWriteFunc func; + JSONWriter w(func, JSONWriter::SingleLineStyle); + + w.Start(w.MultiLineStyle); // style overridden from above + + w.IntProperty("i", 1); + + w.StartArrayProperty("array"); + { + w.NullElement(); + + w.StartArrayElement(w.MultiLineStyle); // style overridden from above + { + w.StartObjectElement(); + w.EndObject(); + } + w.EndArray(); + + w.StartObjectElement(); + { + w.StartObjectProperty("o"); + w.EndObject(); + } + w.EndObject(); + + w.StringElement("s"); + } + w.EndArray(); + + w.DoubleProperty("d", 3.33); + + w.End(); // No newline in this case. + + Check(w, expected); +} + +void TestStringEscaping() { + // This test uses hexadecimal character escapes because UTF8 literals cause + // problems for some compilers (see bug 1069726). + const char* expected = + "\ +{\n\ + \"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\ + \"\xD9\x85\xD8\xB1\xD8\xAD\xD8\xA8\xD8\xA7 \xD9\x87\xD9\x86\xD8\xA7\xD9\x83\": true,\n\ + \"\xD5\xA2\xD5\xA1\xD6\x80\xD5\xA5\xD6\x82 \xD5\xB9\xD5\xAF\xD5\xA1\": -123,\n\ + \"\xE4\xBD\xA0\xE5\xA5\xBD\": 1.234,\n\ + \"\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\ + \"hall\xC3\xB3 \xC3\xBE" + "arna\": 4660,\n\ + \"\xE3\x81\x93\xE3\x82\x93\xE3\x81\xAB\xE3\x81\xA1\xE3\x81\xAF\": {\n\ + \"\xD0\xBF\xD1\x80\xD0\xB8\xD0\xB2\xD0\xB5\xD1\x82\": [\n\ + ]\n\ + }\n\ +}\n\ +"; + + JSONWriter w(MakeUnique()); + + // Test the string escaping behaviour. + w.Start(); + { + // Test all 127 ascii values. Do it in reverse order so that the 0 + // at the end serves as the null char. + char buf[128]; + for (int i = 0; i < 128; i++) { + buf[i] = 127 - i; + } + w.StringProperty("ascii", buf); + + // Test lots of unicode stuff. Note that this file is encoded as UTF-8. + w.BoolProperty( + "\xD9\x85\xD8\xB1\xD8\xAD\xD8\xA8\xD8\xA7 " + "\xD9\x87\xD9\x86\xD8\xA7\xD9\x83", + true); + w.IntProperty( + "\xD5\xA2\xD5\xA1\xD6\x80\xD5\xA5\xD6\x82 \xD5\xB9\xD5\xAF\xD5\xA1", + -123); + w.DoubleProperty("\xE4\xBD\xA0\xE5\xA5\xBD", 1.234); + 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"); + w.IntProperty( + "hall\xC3\xB3 \xC3\xBE" + "arna", + 0x1234); + w.StartObjectProperty( + "\xE3\x81\x93\xE3\x82\x93\xE3\x81\xAB\xE3\x81\xA1\xE3\x81\xAF"); + { + w.StartArrayProperty("\xD0\xBF\xD1\x80\xD0\xB8\xD0\xB2\xD0\xB5\xD1\x82"); + w.EndArray(); + } + w.EndObject(); + } + w.End(); + + Check(w, expected); +} + +void TestDeepNesting() { + const char* expected = + "\ +{\n\ + \"a\": [\n\ + {\n\ + \"a\": [\n\ + {\n\ + \"a\": [\n\ + {\n\ + \"a\": [\n\ + {\n\ + \"a\": [\n\ + {\n\ + \"a\": [\n\ + {\n\ + \"a\": [\n\ + {\n\ + \"a\": [\n\ + {\n\ + \"a\": [\n\ + {\n\ + \"a\": [\n\ + {\n\ + }\n\ + ]\n\ + }\n\ + ]\n\ + }\n\ + ]\n\ + }\n\ + ]\n\ + }\n\ + ]\n\ + }\n\ + ]\n\ + }\n\ + ]\n\ + }\n\ + ]\n\ + }\n\ + ]\n\ + }\n\ + ]\n\ +}\n\ +"; + + JSONWriter w(MakeUnique()); + + w.Start(); + { + static const int n = 10; + for (int i = 0; i < n; i++) { + w.StartArrayProperty("a"); + w.StartObjectElement(); + } + for (int i = 0; i < n; i++) { + w.EndObject(); + w.EndArray(); + } + } + w.End(); + + Check(w, expected); +} + +void TestEscapedPropertyNames() { + const char* expected = + "\ +{\"i\\t\": 1, \"array\\t\": [null, [{}], {\"o\\t\": {}}, \"s\"], \"d\": 3.33}\n\ +"; + + JSONWriter w(MakeUnique()); + + w.Start(w.SingleLineStyle); + + w.IntProperty("i\t\0cut", 1); // '\0' marks the end. + + w.StartArrayProperty("array\t"); + { + w.NullElement(); + + w.StartArrayElement(w.MultiLineStyle); // style overridden from above + { + w.StartObjectElement(); + w.EndObject(); + } + w.EndArray(); + + w.StartObjectElement(); + { + w.StartObjectProperty("o\t"); + w.EndObject(); + } + w.EndObject(); + + w.StringElement("s"); + } + w.EndArray(); + + w.DoubleProperty("d\0\t", 3.33); + + w.End(); + + Check(w, expected); +} + +int main(void) { + TestBasicProperties(); + TestBasicElements(); + TestOneLineObject(); + TestOneLineJson(); + TestStringEscaping(); + TestDeepNesting(); + TestEscapedPropertyNames(); + + return 0; +} -- cgit v1.2.3