diff options
Diffstat (limited to 'test/unit/api/python')
| -rw-r--r-- | test/unit/api/python/test_datatype_api.py | 171 | ||||
| -rw-r--r-- | test/unit/api/python/test_sort.py | 30 | ||||
| -rw-r--r-- | test/unit/api/python/test_term.py | 11 |
3 files changed, 202 insertions, 10 deletions
diff --git a/test/unit/api/python/test_datatype_api.py b/test/unit/api/python/test_datatype_api.py new file mode 100644 index 000000000..a5499ffd6 --- /dev/null +++ b/test/unit/api/python/test_datatype_api.py @@ -0,0 +1,171 @@ +import pytest + +import pycvc4 +from pycvc4 import kinds + + +def test_datatype_simply_rec(): + solver = pycvc4.Solver() + + # Create mutual datatypes corresponding to this definition block: + # + # DATATYPE + # wlist = leaf(data: list), + # list = cons(car: wlist, cdr: list) | nil, + # ns = elem(ndata: set(wlist)) | elemArray(ndata2: array(list, list)) + # END; + + # Make unresolved types as placeholders + unres_wlist = solver.mkUninterpretedSort('wlist') + unres_list = solver.mkUninterpretedSort('list') + unres_ns = solver.mkUninterpretedSort('ns') + unres_types = set([unres_wlist, unres_list, unres_ns]) + + wlist = solver.mkDatatypeDecl('wlist') + leaf = solver.mkDatatypeConstructorDecl('leaf') + leaf.addSelector('data', unres_list) + wlist.addConstructor(leaf) + + dlist = solver.mkDatatypeDecl('list') + cons = solver.mkDatatypeConstructorDecl('cons') + cons.addSelector('car', unres_wlist) + cons.addSelector('cdr', unres_list) + dlist.addConstructor(cons) + nil = solver.mkDatatypeConstructorDecl("nil") + dlist.addConstructor(nil) + + ns = solver.mkDatatypeDecl('ns') + elem = solver.mkDatatypeConstructorDecl('elem') + elem.addSelector('ndata', solver.mkSetSort(unres_wlist)) + ns.addConstructor(elem) + elem_array = solver.mkDatatypeConstructorDecl('elemArray') + elem_array.addSelector('ndata', solver.mkArraySort(unres_list, unres_list)) + ns.addConstructor(elem_array) + + # this is well-founded and has no nested recursion + dtdecls = [wlist, dlist, ns] + dtsorts = solver.mkDatatypeSorts(dtdecls, unres_types) + assert len(dtsorts) == 3 + assert dtsorts[0].getDatatype().isWellFounded() + assert dtsorts[1].getDatatype().isWellFounded() + assert dtsorts[2].getDatatype().isWellFounded() + assert not dtsorts[0].getDatatype().hasNestedRecursion() + assert not dtsorts[1].getDatatype().hasNestedRecursion() + assert not dtsorts[2].getDatatype().hasNestedRecursion() + + # Create mutual datatypes corresponding to this definition block: + # DATATYPE + # ns2 = elem2(ndata: array(int,ns2)) | nil2 + # END; + unres_ns2 = solver.mkUninterpretedSort('ns2') + unres_types = set([unres_ns2]) + + ns2 = solver.mkDatatypeDecl('ns2') + elem2 = solver.mkDatatypeConstructorDecl('elem2') + elem2.addSelector('ndata', + solver.mkArraySort(solver.getIntegerSort(), unres_ns2)) + ns2.addConstructor(elem2) + nil2 = solver.mkDatatypeConstructorDecl('nil2') + ns2.addConstructor(nil2) + + # this is not well-founded due to non-simple recursion + dtdecls = [ns2] + dtsorts = solver.mkDatatypeSorts(dtdecls, unres_types) + assert len(dtsorts) == 1 + assert dtsorts[0].getDatatype()[0][0].getRangeSort().isArray() + elem_sort = dtsorts[0].getDatatype()[0][0].getRangeSort().getArrayElementSort() + assert elem_sort == dtsorts[0] + assert dtsorts[0].getDatatype().isWellFounded() + assert dtsorts[0].getDatatype().hasNestedRecursion() + + # Create mutual datatypes corresponding to this definition block: + # DATATYPE + # list3 = cons3(car: ns3, cdr: list3) | nil3, + # ns3 = elem3(ndata: set(list3)) + # END + unres_ns3 = solver.mkUninterpretedSort('ns3') + unres_list3 = solver.mkUninterpretedSort('list3') + unres_types = set([unres_ns3, unres_list3]) + + list3 = solver.mkDatatypeDecl('list3') + cons3 = solver.mkDatatypeConstructorDecl('cons3') + cons3.addSelector('car', unres_ns3) + cons3.addSelector('cdr', unres_list3) + list3.addConstructor(cons3) + nil3 = solver.mkDatatypeConstructorDecl('nil3') + list3.addConstructor(nil3) + + ns3 = solver.mkDatatypeDecl('ns3') + elem3 = solver.mkDatatypeConstructorDecl('elem3') + elem3.addSelector('ndata', solver.mkSetSort(unres_list3)) + ns3.addConstructor(elem3) + + # both are well-founded and have nested recursion + dtdecls = [list3, ns3] + dtsorts = solver.mkDatatypeSorts(dtdecls, unres_types) + assert len(dtsorts) == 2 + assert dtsorts[0].getDatatype().isWellFounded() + assert dtsorts[1].getDatatype().isWellFounded() + assert dtsorts[0].getDatatype().hasNestedRecursion() + assert dtsorts[1].getDatatype().hasNestedRecursion() + + # Create mutual datatypes corresponding to this definition block: + # DATATYPE + # list4 = cons(car: set(ns4), cdr: list4) | nil, + # ns4 = elem(ndata: list4) + # END + unres_ns4 = solver.mkUninterpretedSort('ns4') + unres_list4 = solver.mkUninterpretedSort('list4') + unres_types = set([unres_ns4, unres_list4]) + + list4 = solver.mkDatatypeDecl('list4') + cons4 = solver.mkDatatypeConstructorDecl('cons4') + cons4.addSelector('car', solver.mkSetSort(unres_ns4)) + cons4.addSelector('cdr', unres_list4) + list4.addConstructor(cons4) + nil4 = solver.mkDatatypeConstructorDecl('nil4') + list4.addConstructor(nil4) + + ns4 = solver.mkDatatypeDecl('ns4') + elem4 = solver.mkDatatypeConstructorDecl('elem3') + elem4.addSelector('ndata', unres_list4) + ns4.addConstructor(elem4) + + # both are well-founded and have nested recursion + dtdecls = [list4, ns4] + dtsorts = solver.mkDatatypeSorts(dtdecls, unres_types) + assert len(dtsorts) == 2 + assert dtsorts[0].getDatatype().isWellFounded() + assert dtsorts[1].getDatatype().isWellFounded() + assert dtsorts[0].getDatatype().hasNestedRecursion() + assert dtsorts[1].getDatatype().hasNestedRecursion() + + # Create mutual datatypes corresponding to this definition block: + # DATATYPE + # list5[X] = cons(car: X, cdr: list5[list5[X]]) | nil + # END + unres_list5 = solver.mkSortConstructorSort('list5', 1) + unres_types = set([unres_list5]) + + x = solver.mkParamSort('X') + v = [x] + list5 = solver.mkDatatypeDecl('list5', v) + + args = [x] + ur_list_x = unres_list5.instantiate(args) + args = [ur_list_x] + ur_list_list_x = unres_list5.instantiate(args) + + cons5 = solver.mkDatatypeConstructorDecl('cons5') + cons5.addSelector('car', x) + cons5.addSelector('cdr', ur_list_list_x) + list5.addConstructor(cons5) + nil5 = solver.mkDatatypeConstructorDecl('nil5') + list5.addConstructor(nil5) + + # well-founded and has nested recursion + dtdecls = [list5] + dtsorts = solver.mkDatatypeSorts(dtdecls, unres_types) + assert len(dtsorts) == 1 + assert dtsorts[0].getDatatype().isWellFounded() + assert dtsorts[0].getDatatype().hasNestedRecursion() diff --git a/test/unit/api/python/test_sort.py b/test/unit/api/python/test_sort.py index cd40fc807..5fdb49f48 100644 --- a/test/unit/api/python/test_sort.py +++ b/test/unit/api/python/test_sort.py @@ -223,21 +223,31 @@ def testGetBVSize(): def testGetFPExponentSize(): solver = pycvc4.Solver() - fpSort = solver.mkFloatingPointSort(4, 8) - fpSort.getFPExponentSize() - setSort = solver.mkSetSort(solver.getIntegerSort()) - with pytest.raises(Exception): - setSort.getFPExponentSize() + if solver.supportsFloatingPoint(): + fpSort = solver.mkFloatingPointSort(4, 8) + fpSort.getFPExponentSize() + setSort = solver.mkSetSort(solver.getIntegerSort()) + + with pytest.raises(Exception): + setSort.getFPExponentSize() + else: + with pytest.raises(Exception): + solver.mkFloatingPointSort(4, 8) def testGetFPSignificandSize(): solver = pycvc4.Solver() - fpSort = solver.mkFloatingPointSort(4, 8) - fpSort.getFPSignificandSize() - setSort = solver.mkSetSort(solver.getIntegerSort()) - with pytest.raises(Exception): - setSort.getFPSignificandSize() + if solver.supportsFloatingPoint(): + fpSort = solver.mkFloatingPointSort(4, 8) + fpSort.getFPSignificandSize() + setSort = solver.mkSetSort(solver.getIntegerSort()) + + with pytest.raises(Exception): + setSort.getFPSignificandSize() + else: + with pytest.raises(Exception): + solver.mkFloatingPointSort(4, 8) def testGetDatatypeParamSorts(): solver = pycvc4.Solver() diff --git a/test/unit/api/python/test_term.py b/test/unit/api/python/test_term.py index b135e4510..ca8d4c741 100644 --- a/test/unit/api/python/test_term.py +++ b/test/unit/api/python/test_term.py @@ -4,6 +4,17 @@ import pycvc4 from pycvc4 import kinds +def test_getitem(): + solver = pycvc4.Solver() + intsort = solver.getIntegerSort() + x = solver.mkConst(intsort, 'x') + y = solver.mkConst(intsort, 'y') + xpy = solver.mkTerm(kinds.Plus, x, y) + + assert xpy[0] == x + assert xpy[1] == y + + def test_get_kind(): solver = pycvc4.Solver() intsort = solver.getIntegerSort() |