replace jest with ava

node_modules/concordance/lib/complexValues/arguments.js

@@ -0,0 +1,48 @@
+'use strict'
+
+const constants = require('../constants')
+const object = require('./object')
+
+const AMBIGUOUS = constants.AMBIGUOUS
+const UNEQUAL = constants.UNEQUAL
+
+function describe (props) {
+  return new DescribedArgumentsValue(Object.assign({
+    // Treat as an array, to allow comparisons with arrays
+    isArray: true,
+    isList: true
+  }, props, { ctor: 'Arguments' }))
+}
+exports.describe = describe
+
+function deserialize (state, recursor) {
+  return new DeserializedArgumentsValue(state, recursor)
+}
+exports.deserialize = deserialize
+
+const tag = Symbol('ArgumentsValue')
+exports.tag = tag
+
+class ArgumentsValue extends object.ObjectValue {
+  compare (expected) {
+    if (expected.isComplex !== true) return UNEQUAL
+
+    // When used on the left-hand side of a comparison, argument values may be
+    // compared to arrays.
+    if (expected.stringTag === 'Array') return AMBIGUOUS
+
+    return super.compare(expected)
+  }
+}
+Object.defineProperty(ArgumentsValue.prototype, 'tag', { value: tag })
+
+const DescribedArgumentsValue = object.DescribedMixin(ArgumentsValue)
+
+class DeserializedArgumentsValue extends object.DeserializedMixin(ArgumentsValue) {
+  compare (expected) {
+    // Deserialized argument values may only be compared to argument values.
+    return expected.isComplex === true && expected.stringTag === 'Array'
+      ? UNEQUAL
+      : super.compare(expected)
+  }
+}