{
  "$schema": "https://packageurl.org/schemas/vers-test.schema-0.2.json",
  "tests": [
    {
      "description": "Canonical parse succeeds for an already normalized VERS.",
      "test_group": "required",
      "test_type": "parse",
      "input": "vers:npm/>=1.0.0|<2.0.0",
      "expected_output": {
        "scheme": "npm",
        "version_constraints": [
          [
            ">=",
            "1.0.0"
          ],
          [
            "<",
            "2.0.0"
          ]
        ]
      }
    },
    {
      "description": "Parsing fails when ASCII whitespace is present.",
      "test_group": "required",
      "test_type": "parse",
      "input": "vers:npm/>=1.0.0| <2.0.0",
      "expected_failure": true,
      "expected_message": "non-canonical VERS: whitespace is not permitted"
    },
    {
      "description": "Parsing fails when constraints start with a pipe.",
      "test_group": "required",
      "test_type": "parse",
      "input": "vers:npm/|>=1.0.0|<2.0.0",
      "expected_failure": true,
      "expected_message": "non-canonical VERS: leading pipe is not permitted"
    },
    {
      "description": "Parsing fails when constraints end with a pipe.",
      "test_group": "required",
      "test_type": "parse",
      "input": "vers:npm/>=1.0.0|<2.0.0|",
      "expected_failure": true,
      "expected_message": "non-canonical VERS: trailing pipe is not permitted"
    },
    {
      "description": "Parsing fails when constraints contain consecutive pipes.",
      "test_group": "required",
      "test_type": "parse",
      "input": "vers:npm/>=1.0.0||<2.0.0",
      "expected_failure": true,
      "expected_message": "non-canonical VERS: consecutive pipes are not permitted"
    },
    {
      "description": "Parsing fails when constraints are not in canonical order.",
      "test_group": "required",
      "test_type": "parse",
      "input": "vers:npm/>=2.0.0|<1.0.0",
      "expected_failure": true,
      "expected_message": "non-canonical VERS: constraints are not sorted by version"
    },
    {
      "description": "Parsing decodes canonical percent-encoding once for versions.",
      "test_group": "required",
      "test_type": "parse",
      "input": "vers:npm/1.0%252F0",
      "expected_output": {
        "scheme": "npm",
        "version_constraints": [
          [
            "=",
            "1.0%2F0"
          ]
        ]
      }
    },
    {
      "description": "Parsing fails when version percent-encoding is invalid.",
      "test_group": "required",
      "test_type": "parse",
      "input": "vers:npm/1.0%2G0",
      "expected_failure": true,
      "expected_message": "non-canonical VERS: invalid percent-encoding in version"
    },
    {
      "description": "Parsing fails for datetime when lowercase t and z are used.",
      "test_group": "required",
      "test_type": "parse",
      "input": "vers:datetime/2024-01-01t00:00:00z",
      "expected_failure": true,
      "expected_message": "non-canonical VERS: datetime must use uppercase T and Z"
    },
    {
      "description": "Parsing fails for datetime when time colons are percent-encoded.",
      "test_group": "required",
      "test_type": "parse",
      "input": "vers:datetime/2024-01-01T00%3A00%3A00Z",
      "expected_failure": true,
      "expected_message": "non-canonical VERS: datetime time colons must be unencoded"
    },
    {
      "description": "Parsing fails for datetime when percent-encoding is invalid.",
      "test_group": "required",
      "test_type": "parse",
      "input": "vers:datetime/2024-01-01T00:00:00%ZZ",
      "expected_failure": true,
      "expected_message": "non-canonical VERS: invalid percent-encoding in version"
    },
    {
      "description": "Parsing fails for datetime when percent-encoded triplets use non-canonical hex case.",
      "test_group": "required",
      "test_type": "parse",
      "input": "vers:datetime/2024-01-01T00%3a00%3a00Z",
      "expected_failure": true,
      "expected_message": "non-canonical VERS: percent-encoding in version is not canonical"
    }
  ]
}