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Add tests for not: {} schemas for all values.
One would think these would be quite trivial tests... but not all implementations pass them surprisingly! This was noticed as part of tweaking Bowtie's smoke test for implementations (bowtie-json-schema/bowtie@3984ef6#diff-dc32c0287345ff144e16658c5c157495f1c3c3f46c71dd3a58b2414663dcd08aR450-R458) -- which it uses to make sure JSON Schema implementations are running correctly -- in what I thought was a non-functionally meaningful way. But it turns out one implementation fails one of these tests :) -- namely it incorrectly considers `null` valid under `not: {}`. The actual contents here match what we use in other places (e.g. in boolean-schemas.json). While we're here, this also adds a test for not: not, i.e. double negation, with just one value to check.
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‎tests/draft2019-09/not.json

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]
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},
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{
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"description": "not with boolean schema true",
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"description": "forbid everything with empty schema",
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"schema": {
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"$schema": "https://json-schema.org/draft/2019-09/schema",
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"not": {}
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},
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"tests": [
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{
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"description": "number is invalid",
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"data": 1,
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"valid": false
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},
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{
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"description": "string is invalid",
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"data": "foo",
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"valid": false
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},
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{
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"description": "boolean true is invalid",
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"data": true,
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"valid": false
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},
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{
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"description": "boolean false is invalid",
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"data": false,
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"valid": false
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},
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{
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"description": "null is invalid",
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"data": null,
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"valid": false
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},
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{
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"description": "object is invalid",
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"data": {"foo": "bar"},
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"valid": false
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},
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{
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"description": "empty object is invalid",
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"data": {},
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"valid": false
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},
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{
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"description": "array is invalid",
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"data": ["foo"],
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"valid": false
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},
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{
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"description": "empty array is invalid",
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"data": [],
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"valid": false
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}
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]
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},
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{
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"description": "forbid everything with boolean schema true",
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"schema": {
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"$schema": "https://json-schema.org/draft/2019-09/schema",
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"not": true
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},
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"tests": [
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{
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"description": "any value is invalid",
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"description": "number is invalid",
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"data": 1,
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"valid": false
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},
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{
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"description": "string is invalid",
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"data": "foo",
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"valid": false
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},
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{
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"description": "boolean true is invalid",
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"data": true,
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"valid": false
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},
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{
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"description": "boolean false is invalid",
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"data": false,
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"valid": false
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},
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{
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"description": "null is invalid",
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"data": null,
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"valid": false
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},
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{
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"description": "object is invalid",
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"data": {"foo": "bar"},
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"valid": false
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},
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{
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"description": "empty object is invalid",
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"data": {},
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"valid": false
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},
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{
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"description": "array is invalid",
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"data": ["foo"],
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"valid": false
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},
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{
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"description": "empty array is invalid",
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"data": [],
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"valid": false
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}
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]
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},
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{
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"description": "not with boolean schema false",
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"description": "allow everything with boolean schema false",
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"schema": {
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"$schema": "https://json-schema.org/draft/2019-09/schema",
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"not": false
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},
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"tests": [
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{
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"description": "number is valid",
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"data": 1,
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"valid": true
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},
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{
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"description": "string is valid",
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"data": "foo",
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"valid": true
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},
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{
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"description": "boolean true is valid",
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"data": true,
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"valid": true
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},
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{
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"description": "boolean false is valid",
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"data": false,
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"valid": true
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},
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{
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"description": "null is valid",
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"data": null,
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"valid": true
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},
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{
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"description": "object is valid",
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"data": {"foo": "bar"},
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"valid": true
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},
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{
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"description": "empty object is valid",
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"data": {},
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"valid": true
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},
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{
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"description": "array is valid",
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"data": ["foo"],
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"valid": true
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},
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{
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"description": "empty array is valid",
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"data": [],
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"valid": true
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}
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]
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},
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{
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"description": "double negation",
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"schema": {
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"$schema": "https://json-schema.org/draft/2019-09/schema",
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"not": { "not": {} }
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},
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"tests": [
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{
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"description": "any value is valid",

‎tests/draft2020-12/not.json

+151-3
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@@ -97,25 +97,173 @@
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]
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},
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{
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"description": "not with boolean schema true",
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"description": "forbid everything with empty schema",
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"schema": {
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"$schema": "https://json-schema.org/draft/2020-12/schema",
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"not": {}
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},
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"tests": [
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{
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"description": "number is invalid",
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"data": 1,
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"valid": false
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},
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{
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"description": "string is invalid",
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"data": "foo",
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"valid": false
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},
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{
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"description": "boolean true is invalid",
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"data": true,
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"valid": false
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},
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{
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"description": "boolean false is invalid",
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"data": false,
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"valid": false
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},
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{
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"description": "null is invalid",
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"data": null,
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"valid": false
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},
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{
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"description": "object is invalid",
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"data": {"foo": "bar"},
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"valid": false
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},
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{
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"description": "empty object is invalid",
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"data": {},
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"valid": false
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},
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{
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"description": "array is invalid",
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"data": ["foo"],
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"valid": false
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},
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{
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"description": "empty array is invalid",
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"data": [],
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"valid": false
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}
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]
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},
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{
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"description": "forbid everything with boolean schema true",
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"schema": {
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"$schema": "https://json-schema.org/draft/2020-12/schema",
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"not": true
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},
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"tests": [
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{
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"description": "any value is invalid",
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"description": "number is invalid",
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"data": 1,
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"valid": false
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},
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{
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"description": "string is invalid",
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"data": "foo",
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"valid": false
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},
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{
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"description": "boolean true is invalid",
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"data": true,
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"valid": false
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},
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{
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"description": "boolean false is invalid",
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"data": false,
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"valid": false
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},
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{
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"description": "null is invalid",
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"data": null,
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"valid": false
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},
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{
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"description": "object is invalid",
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"data": {"foo": "bar"},
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"valid": false
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},
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{
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"description": "empty object is invalid",
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"data": {},
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"valid": false
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},
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{
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"description": "array is invalid",
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"data": ["foo"],
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"valid": false
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},
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{
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"description": "empty array is invalid",
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"data": [],
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"valid": false
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}
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]
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},
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{
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"description": "not with boolean schema false",
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"description": "allow everything with boolean schema false",
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"schema": {
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"$schema": "https://json-schema.org/draft/2020-12/schema",
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"not": false
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},
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"tests": [
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{
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"description": "number is valid",
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"data": 1,
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"valid": true
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},
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{
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"description": "string is valid",
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"data": "foo",
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"valid": true
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},
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{
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"description": "boolean true is valid",
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"data": true,
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"valid": true
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},
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{
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"description": "boolean false is valid",
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"data": false,
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"valid": true
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},
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{
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"description": "null is valid",
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"data": null,
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"valid": true
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},
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{
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"description": "object is valid",
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"data": {"foo": "bar"},
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"valid": true
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},
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{
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"description": "empty object is valid",
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"data": {},
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"valid": true
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},
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{
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"description": "array is valid",
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"data": ["foo"],
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"valid": true
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},
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{
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"description": "empty array is valid",
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"data": [],
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"valid": true
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}
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]
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},
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{
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"description": "double negation",
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"schema": {
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"$schema": "https://json-schema.org/draft/2020-12/schema",
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"not": { "not": {} }
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},
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"tests": [
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{
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"description": "any value is valid",

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