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|
#| Copyright (c) Peter McGoron 2025
|
| Licensed under the Apache License, Version 2.0 (the "License");
| you may not use this file except in compliance with the License.
| You may obtain a copy of the License at
|
| http://www.apache.org/licenses/LICENSE-2.0
|
| Unless required by applicable law or agreed to in writing, software
| distributed under the License is distributed on an "AS IS" BASIS,
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
| See the License for the specific language governing permissions and
| limitations under the License.
|#
(define examples-of-self-syntax
(list '() 1 #\a #f "a" #u8(1 2 3 4)))
(define (test-locations)
(test-assert (comparator-test-type location-comparator
(generate-lexical-location 'test)))
(test-assert (comparator-test-type location-comparator
'test)))
(define (test-self-syntax)
(for-each (lambda (x)
(test-assert "example of self-syntax" (self-syntax? x)))
examples-of-self-syntax)
(test-assert "symbol is not self-syntax" (not (self-syntax? 'x)))
(test-assert "cons is not self-syntax" (not (self-syntax? (cons 1 2))))
(test-assert "vector is not self-syntax" (not (self-syntax? #(1 2)))))
(define (test-syntax-predicate)
(for-each (lambda (x)
(test-assert "self-syntax is syntax" (syntax? x)))
examples-of-self-syntax)
(for-each (lambda (x)
(test-assert "wrap of self-syntax is syntax" (syntax? (empty-wrap x))))
examples-of-self-syntax)
(test-assert "list of self-syntax is syntax"
(syntax? examples-of-self-syntax))
(test-assert "vector of self-syntax is syntax"
(syntax? (list->vector examples-of-self-syntax)))
(test-assert "wrap of symbol is syntax"
(syntax? (empty-wrap 'x))))
(define (test-identifier-predicate)
(for-each (lambda (x)
(test-assert "self-syntax is not identifier"
(not (identifier? x))))
examples-of-self-syntax)
(test-assert "wrap of symbol is identifier"
(identifier? (empty-wrap 'x)))
(test-assert "wrap of list is not identifier"
(not (identifier? (empty-wrap (list 'x))))))
(define (test-add-timestamp)
(test-assert "timestamps are unique"
(not (equal? (generate-timestamp) (generate-timestamp))))
(let ((ts (generate-timestamp))
(id (empty-wrap 'test)))
(test-assert "empty wrap has no timestamps"
(set-empty? (wrap->timestamps id)))
(set! id (add-timestamp id ts))
(test-equal "adding a timestamp adds that timestamp"
(list ts)
(set->list (wrap->timestamps id)))
(set! id (add-timestamp id ts))
(test-assert "adding the same timestamp removes the timestamp"
(set-empty? (wrap->timestamps id)))
(let ((new-ts (generate-timestamp)))
(set! id (add-timestamp id ts))
(set! id (add-timestamp id new-ts))
(test-assert "adding one timestamp makes the wrap contain that timestamp"
(set-contains? (wrap->timestamps id) ts))
(test-assert "adding another timestamp makes the wrap contain that timestamp"
(set-contains? (wrap->timestamps id) new-ts))
(test-equal "only two timestamps were added"
(set-size (wrap->timestamps id))
2)
(set! id (add-timestamp id new-ts))
(test-equal "adding one timestamp removes one and keeps the other"
(list ts)
(set->list (wrap->timestamps id))))))
(define (test-add-substitution)
(test-group "no timestamps"
(let* ((newloc (generate-lexical-location 'test))
(stx (add-substitution (empty-wrap 'test)
(empty-wrap 'test)
newloc)))
(test-assert (=? lexical-location-comparator
newloc
(resolve stx)))))
(test-group "mismatched timestamps"
(let* ((newloc (generate-lexical-location 'test))
(stx (add-substitution (add-timestamp (empty-wrap 'test)
(generate-timestamp))
(empty-wrap 'test)
newloc)))
(test-assert (=? location-comparator
'test
(resolve stx)))))
(test-group "mismatched resolved name"
(let* ((newloc (generate-lexical-location 'test))
(stx (add-substitution (empty-wrap 'test)
(empty-wrap 'test2)
newloc)))
(test-assert (=? location-comparator
'test
(resolve stx)))))
(test-group "multiple names in environment"
(let* ((loc1 (generate-lexical-location 'test1))
(loc2 (generate-lexical-location 'test2))
(stx (add-substitution (empty-wrap 'test)
(empty-wrap 'test)
loc1))
(stx (add-substitution stx
(empty-wrap 'test2)
loc2)))
(test-assert (=? location-comparator
(resolve stx)
loc1))))
(test-group "intermediate substitutions"
(let* ((loc1 (generate-lexical-location 'test1))
(loc2 (generate-lexical-location 'test2))
(stx (add-substitution (empty-wrap 'test)
(empty-wrap 'test)
loc1))
(stx (add-substitution stx stx loc2)))
(test-assert (=? location-comparator
(resolve stx)
loc2)))))
(define (test-bound-identifier-comparator)
(define ids
(let* ((ts (generate-timestamp))
(id-x (empty-wrap 'x))
(id-y (empty-wrap 'y))
(mark-x (add-timestamp id-x ts))
(loc1 (generate-lexical-location 'test1))
(subst-on-x (add-substitution id-x
id-x
loc1))
(subst-on-mark-x (add-substitution id-x
id-x
loc1)))
(list
id-x
id-y
mark-x
(add-timestamp (empty-wrap 'x)
(generate-timestamp))
(add-timestamp (empty-wrap 'y) ts)
(empty-wrap 'z)
subst-on-x
subst-on-mark-x)))
(define the-set (list->set bound-identifier-comparator ids))
(for-each (lambda (id)
(test-assert (bound-identifier=?
id
(set-member the-set id #f))))
ids))
(define (test)
(test-group "locations" (test-locations))
(test-group "self-syntax?" (test-self-syntax))
(test-group "syntax?" (test-syntax-predicate))
(test-group "identifier?" (test-identifier-predicate))
(test-group "add-timestamp" (test-add-timestamp))
(test-group "resolve a symbol"
(test-eq (resolve (empty-wrap 'test)) 'test))
(test-group "add-substitution" (test-add-substitution))
(test-group "bound-identifier-comparator"
(test-bound-identifier-comparator)))
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