Matija Kecman
29c1a3a0a5
PiperOrigin-RevId: 827965451 Change-Id: I657fc4d3a480fbc62124c84fe9ddc0900a91183f
107 lines
3.2 KiB
Python
107 lines
3.2 KiB
Python
# Copyright 2025 DeepMind Technologies Limited
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from absl.testing import absltest
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from introspect import ast_nodes
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from wasm.codegen.generators import enums
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from wasm.codegen.generators import functions
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class EnumsGeneratorTest(absltest.TestCase):
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def test_generate_enum_bindings(self):
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generator = enums.Generator({
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"TestEnum": ast_nodes.EnumDecl(
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name="TestEnum",
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declname="enum TestEnum_",
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values={"FIRST_VAL": 0, "SECOND_VAL": 1, "THIRD_VAL": 2},
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),
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"AnotherEnum": ast_nodes.EnumDecl(
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name="AnotherEnum",
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declname="enum AnotherEnum_",
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values={"ALPHA": 100, "BETA": 200},
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),
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"EmptyEnum": ast_nodes.EnumDecl(
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name="EmptyEnum",
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declname="enum EmptyEnum_",
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values={},
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),
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})
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expected_code = """ enum_<TestEnum>("TestEnum")
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.value("FIRST_VAL", FIRST_VAL)
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.value("SECOND_VAL", SECOND_VAL)
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.value("THIRD_VAL", THIRD_VAL);
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enum_<AnotherEnum>("AnotherEnum")
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.value("ALPHA", ALPHA)
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.value("BETA", BETA);
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enum_<EmptyEnum>("EmptyEnum");"""
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markers_and_content = generator.generate()
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actual_code = "\n\n".join(markers_and_content[0][1])
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self.assertEqual(actual_code, expected_code)
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class FunctionsGeneratorTest(absltest.TestCase):
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def setUp(self):
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super().setUp()
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self.generator = functions.Generator({})
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self.int_type = ast_nodes.ValueType(name="int")
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def test_generate_function_binding_simple_case(self):
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func_simple_void = ast_nodes.FunctionDecl(
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name="do_nothing",
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return_type=ast_nodes.ValueType(name="void"),
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parameters=tuple(),
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doc="doc",
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)
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self.assertEqual(
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self.generator._generate_function_binding(func_simple_void),
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'function("do_nothing", &do_nothing);\n',
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)
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def test_generate_direct_bindable_functions_simple_filter(self):
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direct_bind = ast_nodes.FunctionDecl(
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name="direct_bind",
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return_type=self.int_type,
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parameters=(
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ast_nodes.FunctionParameterDecl(name="val", type=self.int_type),
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),
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doc="doc",
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)
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needs_wrap = ast_nodes.FunctionDecl(
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name="needs_wrap",
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return_type=ast_nodes.PointerType(inner_type=self.int_type),
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parameters=tuple(),
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doc="doc",
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)
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self.generator = functions.Generator({
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"direct1": direct_bind,
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"wrapped1": needs_wrap,
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})
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generated_code = self.generator._generate_direct_bindable_functions()
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self.assertIn('function("direct_bind", &direct_bind);\n', generated_code)
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self.assertNotIn('function("needs_wrap", &needs_wrap);\n', generated_code)
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if __name__ == "__main__":
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absltest.main()
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