php/php.composer/test/unit/data/invalid-composer.json

{
    "require": {
        "a/b": "1.13.1",
        "c/d": 1,
        "e/f": 1.5,
        "g/h": null,
        "i/j": true,
        "k/l": {"myver": 123},
        "m/n": [1, 2]
    },
    "require-dev": {
        "aa/bb": "42",
        "cc/dd": 1,
        "ee/ff": 1.5,
        "gg/hh": null,
        "ii/jj": true,
        "kk/ll": {"myver": 123},
        "mm/nn": [1, 2]
    }
}