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Adding 4.8 test to travis

pull/1257/head
Henry Fredrick Schreiner 2018-09-25 18:15:29 +02:00
parent 99b7c7c8ef
commit 7a37ba0c02
9 changed files with 51 additions and 26 deletions
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2
.github/CONTRIBUTING.md vendored
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@ -54,7 +54,7 @@ To make changes, you need to edit the following files:
## Please don't
- The C++11 support varies between different **compilers** and versions. Please note the [list of supported compilers](https://github.com/nlohmann/json/blob/master/README.md#supported-compilers). Some compilers like GCC 4.8 (and earlier), Clang 3.3 (and earlier), or Microsoft Visual Studio 13.0 and earlier are known not to work due to missing or incomplete C++11 support. Please refrain from proposing changes that work around these compiler's limitations with `#ifdef`s or other means.
- The C++11 support varies between different **compilers** and versions. Please note the [list of supported compilers](https://github.com/nlohmann/json/blob/master/README.md#supported-compilers). Some compilers like GCC 4.7 (and earlier), Clang 3.3 (and earlier), or Microsoft Visual Studio 13.0 and earlier are known not to work due to missing or incomplete C++11 support. Please refrain from proposing changes that work around these compiler's limitations with `#ifdef`s or other means.
- Specifically, I am aware of compilation problems with **Microsoft Visual Studio** (there even is an [issue label](https://github.com/nlohmann/json/issues?utf8=✓&q=label%3A%22visual+studio%22+) for these kind of bugs). I understand that even in 2016, complete C++11 support isn't there yet. But please also understand that I do not want to drop features or uglify the code just to make Microsoft's sub-standard compiler happy. The past has shown that there are ways to express the functionality such that the code compiles with the most recent MSVC - unfortunately, this is not the main objective of the project.
- Please refrain from proposing changes that would **break [JSON](http://json.org) conformance**. If you propose a conformant extension of JSON to be supported by the library, please motivate this extension.
- We shall not extend the library to **support comments**. There is quite some [controversy](https://www.reddit.com/r/programming/comments/4v6chu/why_json_doesnt_support_comments_douglas_crockford/) around this topic, and there were quite some [issues](https://github.com/nlohmann/json/issues/376) on this. We believe that JSON is fine without comments.

2
.github/PULL_REQUEST_TEMPLATE.md vendored
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@ -13,7 +13,7 @@ Read the [Contribution Guidelines](https://github.com/nlohmann/json/blob/develop
## Please don't
- The C++11 support varies between different **compilers** and versions. Please note the [list of supported compilers](https://github.com/nlohmann/json/blob/master/README.md#supported-compilers). Some compilers like GCC 4.8 (and earlier), Clang 3.3 (and earlier), or Microsoft Visual Studio 13.0 and earlier are known not to work due to missing or incomplete C++11 support. Please refrain from proposing changes that work around these compiler's limitations with `#ifdef`s or other means.
- The C++11 support varies between different **compilers** and versions. Please note the [list of supported compilers](https://github.com/nlohmann/json/blob/master/README.md#supported-compilers). Some compilers like GCC 4.7 (and earlier), Clang 3.3 (and earlier), or Microsoft Visual Studio 13.0 and earlier are known not to work due to missing or incomplete C++11 support. Please refrain from proposing changes that work around these compiler's limitations with `#ifdef`s or other means.
- Specifically, I am aware of compilation problems with **Microsoft Visual Studio** (there even is an [issue label](https://github.com/nlohmann/json/issues?utf8=✓&q=label%3A%22visual+studio%22+) for these kind of bugs). I understand that even in 2016, complete C++11 support isn't there yet. But please also understand that I do not want to drop features or uglify the code just to make Microsoft's sub-standard compiler happy. The past has shown that there are ways to express the functionality such that the code compiles with the most recent MSVC - unfortunately, this is not the main objective of the project.
- Please refrain from proposing changes that would **break [JSON](http://json.org) conformance**. If you propose a conformant extension of JSON to be supported by the library, please motivate this extension.
- Please do not open pull requests that address **multiple issues**.

10
.travis.yml
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@ -168,7 +168,15 @@ matrix:
- os: linux
compiler: gcc
env: COMPILER=g++-4.9
env: compiler=g++-4.8
addons:
apt:
sources: ['ubuntu-toolchain-r-test']
packages: ['g++-4.8', 'ninja-build']
- os: linux
compiler: gcc
env: compiler=g++-4.9
addons:
apt:
sources: ['ubuntu-toolchain-r-test']

5
README.md
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@ -843,7 +843,7 @@ json j_from_ubjson = json::from_ubjson(v_ubjson);
Though it's 2018 already, the support for C++11 is still a bit sparse. Currently, the following compilers are known to work:
- GCC 4.9 - 8.2 (and possibly later)
- GCC 4.8 - 8.2 (and possibly later)
- Clang 3.4 - 6.1 (and possibly later)
- Intel C++ Compiler 17.0.2 (and possibly later)
- Microsoft Visual C++ 2015 / Build Tools 14.0.25123.0 (and possibly later)
@ -853,7 +853,7 @@ I would be happy to learn about other compilers/versions.
Please note:
- GCC 4.8 does not work because of two bugs ([55817](https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55817) and [57824](https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57824)) in the C++11 support. Note there is a [pull request](https://github.com/nlohmann/json/pull/212) to fix some of the issues.
- GCC 4.8 has a bug [57824](https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57824)): multiline raw strings cannot be the arguments to macros. Don't use multiline raw strings directly in macros with this compiler.
- Android defaults to using very old compilers and C++ libraries. To fix this, add the following to your `Application.mk`. This will switch to the LLVM C++ library, the Clang compiler, and enable C++11 and other features disabled by default.
```
@ -872,6 +872,7 @@ The following compilers are currently used in continuous integration at [Travis]
| Compiler | Operating System | Version String |
|-----------------|------------------------------|----------------|
| GCC 4.8.5 | Ubuntu 14.04.5 LTS | g++-4.8 (Ubuntu 4.8.5-2ubuntu1~14.04.2) 4.8.5 |
| GCC 4.9.4 | Ubuntu 14.04.1 LTS | g++-4.9 (Ubuntu 4.9.4-2ubuntu1~14.04.1) 4.9.4 |
| GCC 5.5.0 | Ubuntu 14.04.1 LTS | g++-5 (Ubuntu 5.5.0-12ubuntu1~14.04) 5.5.0 20171010 |
| GCC 6.4.0 | Ubuntu 14.04.1 LTS | g++-6 (Ubuntu 6.4.0-17ubuntu1~14.04) 6.4.0 20180424 |

7
include/nlohmann/json.hpp
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@ -4943,7 +4943,9 @@ class basic_json
return {it, res.second};
}
/// helper for insertion of an iterator (supports GCC 4.8+)
/// Helper for insertion of an iterator
/// @note: This uses std::distance to support GCC 4.8,
/// see https://github.com/nlohmann/json/pull/1257
template<typename... Args>
iterator insert_iterator(const_iterator pos, Args&& ... args)
{
@ -4954,8 +4956,9 @@ class basic_json
m_value.array->insert(pos.m_it.array_iterator, std::forward<Args>(args)...);
result.m_it.array_iterator = m_value.array->begin() + insert_pos;
// For GCC 4.9+ only, this could become:
// This could have been written as:
// result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val);
// but the return value of insert is missing in GCC 4.8, so it is written this way instead.
return result;
}

7
single_include/nlohmann/json.hpp
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@ -16016,7 +16016,9 @@ class basic_json
return {it, res.second};
}
/// helper for insertion of an iterator (supports GCC 4.8+)
/// Helper for insertion of an iterator
/// @note: This uses std::distance to support GCC 4.8,
/// see https://github.com/nlohmann/json/pull/1257
template<typename... Args>
iterator insert_iterator(const_iterator pos, Args&& ... args)
{
@ -16027,8 +16029,9 @@ class basic_json
m_value.array->insert(pos.m_it.array_iterator, std::forward<Args>(args)...);
result.m_it.array_iterator = m_value.array->begin() + insert_pos;
// For GCC 4.9+ only, this could become:
// This could have been written as:
// result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val);
// but the return value of insert is missing in GCC 4.8, so it is written this way instead.
return result;
}

5
test/src/unit-json_patch.cpp
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@ -63,7 +63,7 @@ TEST_CASE("JSON patch")
// is not an error, because "a" exists, and "b" will be added to
// its value.
CHECK_NOTHROW(doc1.patch(patch));
CHECK(doc1.patch(patch) == R"(
auto doc1_ans = R"(
{
"a": {
"foo": 1,
@ -72,7 +72,8 @@ TEST_CASE("JSON patch")
}
}
}
)"_json);
)"_json;
CHECK(doc1.patch(patch) == doc1_ans);
// It is an error in this document:
json doc2 = R"({ "q": { "bar": 2 } })"_json;

28
test/src/unit-regression.cpp
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@ -1427,20 +1427,26 @@ TEST_CASE("regression tests")
}
})"_json;
CHECK_THROWS_AS(model.patch(R"([{"op": "move",
"from": "/one/two/three",
"path": "/a/b/c"}])"_json), json::out_of_range&);
CHECK_THROWS_WITH(model.patch(R"([{"op": "move",
"from": "/one/two/three",
"path": "/a/b/c"}])"_json),
auto p1 = R"([{"op": "move",
"from": "/one/two/three",
"path": "/a/b/c"}])"_json;
CHECK_THROWS_AS(model.patch(p1), json::out_of_range&);
auto p2 = R"([{"op": "move",
"from": "/one/two/three",
"path": "/a/b/c"}])"_json;
CHECK_THROWS_WITH(model.patch(p2),
"[json.exception.out_of_range.403] key 'a' not found");
CHECK_THROWS_AS(model.patch(R"([{"op": "copy",
auto p3 = R"([{"op": "copy",
"from": "/one/two/three",
"path": "/a/b/c"}])"_json;
CHECK_THROWS_AS(model.patch(p3), json::out_of_range&);
auto p4 = R"([{"op": "copy",
"from": "/one/two/three",
"path": "/a/b/c"}])"_json), json::out_of_range&);
CHECK_THROWS_WITH(model.patch(R"([{"op": "copy",
"from": "/one/two/three",
"path": "/a/b/c"}])"_json),
"path": "/a/b/c"}])"_json;
CHECK_THROWS_WITH(model.patch(p4),
"[json.exception.out_of_range.403] key 'a' not found");
}

11
test/src/unit-testsuites.cpp
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@ -405,7 +405,7 @@ TEST_CASE("RFC 7159 examples")
SECTION("13 Examples")
{
{
CHECK_NOTHROW(json(R"(
auto json_contents = R"(
{
"Image": {
"Width": 800,
@ -420,11 +420,13 @@ TEST_CASE("RFC 7159 examples")
"IDs": [116, 943, 234, 38793]
}
}
)"));
)";
CHECK_NOTHROW(json(json_contents));
}
{
CHECK_NOTHROW(json(R"(
auto json_contents = R"(
[
{
"precision": "zip",
@ -446,7 +448,8 @@ TEST_CASE("RFC 7159 examples")
"Zip": "94085",
"Country": "US"
}
])"));
])";
CHECK_NOTHROW(json(json_contents));
}
CHECK(json::parse("\"Hello world!\"") == json("Hello world!"));