--TEST--
Test the error output of solver problems with ext/platform packages which have platform config
--COMPOSER--
{
    "repositories": [
        {
            "type": "package",
            "package": [
                {"name": "a/a", "version": "1.0.0", "require": {"ext-filter": "2.0.0"}}
            ]
        }
    ],
    "require": {
        "a/a": "*"
    },
    "config": {
        "platform": {
            "ext-filter": "7.4.0"
        }
    }
}

--LOCK--
{
    "packages": [
    ],
    "packages-dev": [],
    "aliases": [],
    "minimum-stability": "dev",
    "stability-flags": [],
    "prefer-stable": false,
    "prefer-lowest": false,
    "platform": [],
    "platform-dev": []
}

--RUN--
update

--EXPECT-EXIT-CODE--
2

--EXPECT-OUTPUT--
Loading composer repositories with package information
Updating dependencies
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Root composer.json requires a/a * -> satisfiable by a/a[1.0.0].
    - a/a 1.0.0 requires ext-filter 2.0.0 -> it has the wrong version installed (7.4.0; overridden via config.platform, actual: %s).

To enable extensions, verify that they are enabled in your .ini files:
__inilist__
You can also run `php --ini` in a terminal to see which files are used by PHP in CLI mode.
Alternatively, you can run Composer with `--ignore-platform-req=ext-filter` to temporarily ignore these required extensions.

--EXPECT--