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Merge pull request #69 from dropbox/atwyman/pre-processor-customization

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Allow json11 tests to be customized with pre-processor defines
mutable
Andrew Twyman 7 years ago committed by GitHub
parent 78e43a9ea7 7a947c1e2f
commit fb6cc808e0
2 changed files with 94 additions and 44 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 10
      Makefile
  2. 128
      test.cpp

10
Makefile
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@ -1,5 +1,13 @@
# Environment variable to enable or disable code which demonstrates the behavior change
# in Xcode 7 / Clang 3.7, introduced by DR1467 and described here:
# https://llvm.org/bugs/show_bug.cgi?id=23812
# Defaults to on in order to act as a warning to anyone who's unaware of the issue.
ifneq ($(JSON11_ENABLE_DR1467_CANARY),)
CANARY_ARGS = -DJSON11_ENABLE_DR1467_CANARY=$(JSON11_ENABLE_DR1467_CANARY)
endif
test: json11.cpp json11.hpp test.cpp
$(CXX) -O -std=c++11 json11.cpp test.cpp -o test -fno-rtti -fno-exceptions
$(CXX) $(CANARY_ARGS) -O -std=c++11 json11.cpp test.cpp -o test -fno-rtti -fno-exceptions
clean:
if [ -e test ]; then rm test; fi

128
test.cpp
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@ -1,6 +1,33 @@
/*
* Define JSON11_TEST_CUSTOM_CONFIG to 1 if you want to build this tester into
* your own unit-test framework rather than a stand-alone program. By setting
* The values of the variables included below, you can insert your own custom
* code into this file as it builds, in order to make it into a test case for
* your favorite framework.
*/
#if !JSON11_TEST_CUSTOM_CONFIG
#define JSON11_TEST_CPP_PREFIX_CODE
#define JSON11_TEST_CPP_SUFFIX_CODE
#define JSON11_TEST_STANDALONE_MAIN 1
#define JSON11_TEST_CASE(name) static void name()
#define JSON11_TEST_ASSERT(b) assert(b)
#ifdef NDEBUG
#undef NDEBUG//at now assert will work even in Release build
#endif
#endif // JSON11_TEST_CUSTOM_CONFIG
/*
* Enable or disable code which demonstrates the behavior change in Xcode 7 / Clang 3.7,
* introduced by DR1467 and described here: https://llvm.org/bugs/show_bug.cgi?id=23812
* Defaults to on in order to act as a warning to anyone who's unaware of the issue.
*/
#ifndef JSON11_ENABLE_DR1467_CANARY
#define JSON11_ENABLE_DR1467_CANARY 1
#endif
/*
* Beginning of standard source file, which makes use of the customizations above.
*/
#include <cassert>
#include <string>
#include <cstdio>
@ -12,12 +39,16 @@
#include <set>
#include <unordered_map>
#include <algorithm>
#include <type_traits>
// Insert user-defined prefix code (includes, function declarations, etc)
// to set up a custom test suite
JSON11_TEST_CPP_PREFIX_CODE
using namespace json11;
using std::string;
// Check that Json has the properties we want.
#include <type_traits>
#define CHECK_TRAIT(x) static_assert(std::x::value, #x)
CHECK_TRAIT(is_nothrow_constructible<Json>);
CHECK_TRAIT(is_nothrow_default_constructible<Json>);
@ -27,28 +58,7 @@ CHECK_TRAIT(is_copy_assignable<Json>);
CHECK_TRAIT(is_nothrow_move_assignable<Json>);
CHECK_TRAIT(is_nothrow_destructible<Json>);
void parse_from_stdin() {
string buf;
string line;
while (std::getline(std::cin, line)) {
buf += line + "\n";
}
string err;
auto json = Json::parse(buf, err);
if (!err.empty()) {
printf("Failed: %s\n", err.c_str());
} else {
printf("Result: %s\n", json.dump().c_str());
}
}
int main(int argc, char **argv) {
if (argc == 2 && argv[1] == string("--stdin")) {
parse_from_stdin();
return 0;
}
JSON11_TEST_CASE(json11_test) {
const string simple_test =
R"({"k1":"v1", "k2":42, "k3":["a",123,true,false,null]})";
@ -146,12 +156,12 @@ int main(int argc, char **argv) {
std::list<int> l1 { 1, 2, 3 };
std::vector<int> l2 { 1, 2, 3 };
std::set<int> l3 { 1, 2, 3 };
assert(Json(l1) == Json(l2));
assert(Json(l2) == Json(l3));
JSON11_TEST_ASSERT(Json(l1) == Json(l2));
JSON11_TEST_ASSERT(Json(l2) == Json(l3));
std::map<string, string> m1 { { "k1", "v1" }, { "k2", "v2" } };
std::unordered_map<string, string> m2 { { "k1", "v1" }, { "k2", "v2" } };
assert(Json(m1) == Json(m2));
JSON11_TEST_ASSERT(Json(m1) == Json(m2));
// Json literals
Json obj = Json::object({
@ -162,13 +172,13 @@ int main(int argc, char **argv) {
std::cout << "obj: " << obj.dump() << "\n";
assert(Json("a").number_value() == 0);
assert(Json("a").string_value() == "a");
assert(Json().number_value() == 0);
JSON11_TEST_ASSERT(Json("a").number_value() == 0);
JSON11_TEST_ASSERT(Json("a").string_value() == "a");
JSON11_TEST_ASSERT(Json().number_value() == 0);
assert(obj == json);
assert(Json(42) == Json(42.0));
assert(Json(42) != Json(42.1));
JSON11_TEST_ASSERT(obj == json);
JSON11_TEST_ASSERT(Json(42) == Json(42.0));
JSON11_TEST_ASSERT(Json(42) != Json(42.1));
const string unicode_escape_test =
R"([ "blah\ud83d\udca9blah\ud83dblah\udca9blah\u0000blah\u1234" ])";
@ -177,18 +187,17 @@ int main(int argc, char **argv) {
"\xed\xb2\xa9" "blah" "\0" "blah" "\xe1\x88\xb4";
Json uni = Json::parse(unicode_escape_test, err);
assert(uni[0].string_value().size() == (sizeof utf8) - 1);
assert(std::memcmp(uni[0].string_value().data(), utf8, sizeof utf8) == 0);
JSON11_TEST_ASSERT(uni[0].string_value().size() == (sizeof utf8) - 1);
JSON11_TEST_ASSERT(std::memcmp(uni[0].string_value().data(), utf8, sizeof utf8) == 0);
// Demonstrates the behavior change in Xcode 7 / Clang 3.7, introduced by DR1467
// and described here: https://llvm.org/bugs/show_bug.cgi?id=23812
const bool ENABLE_DR1467_CANARY = true; // Allow easy disabling for users who work around it.
if (ENABLE_DR1467_CANARY) {
if (JSON11_ENABLE_DR1467_CANARY) {
Json nested_array = Json::array { Json::array { 1, 2, 3 } };
assert(nested_array.is_array());
assert(nested_array.array_items().size() == 1);
assert(nested_array.array_items()[0].is_array());
assert(nested_array.array_items()[0].array_items().size() == 3);
JSON11_TEST_ASSERT(nested_array.is_array());
JSON11_TEST_ASSERT(nested_array.array_items().size() == 1);
JSON11_TEST_ASSERT(nested_array.array_items()[0].is_array());
JSON11_TEST_ASSERT(nested_array.array_items()[0].array_items().size() == 3);
}
{
@ -211,13 +220,13 @@ int main(int argc, char **argv) {
std::string::size_type parser_stop_pos;
std::string err;
auto res = Json::parse_multi(tst.input, parser_stop_pos, err);
assert(parser_stop_pos == tst.expect_parser_stop_pos);
assert(
JSON11_TEST_ASSERT(parser_stop_pos == tst.expect_parser_stop_pos);
JSON11_TEST_ASSERT(
(size_t)std::count_if(res.begin(), res.end(),
[](const Json& j) { return !j.is_null(); })
== tst.expect_not_empty_elms_count);
if (!res.empty()) {
assert(tst.expect_parse_res == res[0]);
JSON11_TEST_ASSERT(tst.expect_parse_res == res[0]);
}
}
}
@ -241,3 +250,36 @@ int main(int argc, char **argv) {
std::string points_json = Json(points).dump();
printf("%s\n", points_json.c_str());
}
#if JSON11_TEST_STANDALONE_MAIN
static void parse_from_stdin() {
string buf;
string line;
while (std::getline(std::cin, line)) {
buf += line + "\n";
}
string err;
auto json = Json::parse(buf, err);
if (!err.empty()) {
printf("Failed: %s\n", err.c_str());
} else {
printf("Result: %s\n", json.dump().c_str());
}
}
int main(int argc, char **argv) {
if (argc == 2 && argv[1] == string("--stdin")) {
parse_from_stdin();
return 0;
}
json11_test();
}
#endif // JSON11_TEST_STANDALONE_MAIN
// Insert user-defined suffix code (function definitions, etc)
// to set up a custom test suite
JSON11_TEST_CPP_SUFFIX_CODE

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