| # Copyright 2015 The Shaderc Authors. All rights reserved. |
| # |
| # 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. |
| |
| import expect |
| import os.path |
| from glslc_test_framework import inside_glslc_testsuite |
| from placeholder import FileShader, TempFileName |
| from builtins import bytes |
| |
| |
| @inside_glslc_testsuite('OptionDashO') |
| class TestOptionDashOConcatenatedArg(expect.SuccessfulReturn, |
| expect.CorrectObjectFilePreamble): |
| """Tests that we can concatenate -o and the output filename.""" |
| |
| shader = FileShader('#version 140\nvoid main() {}', '.vert') |
| glslc_args = ['-ofoo', shader] |
| |
| def check_output_foo(self, status): |
| output_name = os.path.join(status.directory, 'foo') |
| return self.verify_object_file_preamble(output_name) |
| |
| |
| @inside_glslc_testsuite('OptionDashO') |
| class ManyOutputFilesWithDashO(expect.ErrorMessage): |
| """Tests -o and -c with several files generates an error.""" |
| |
| shader1 = FileShader('', '.vert') |
| shader2 = FileShader('', '.frag') |
| glslc_args = ['-o', 'foo', '-c', shader1, shader2] |
| expected_error = [ |
| 'glslc: error: cannot specify -o when ' |
| 'generating multiple output files\n'] |
| |
| |
| @inside_glslc_testsuite('OptionDashO') |
| class OutputFileLocation(expect.SuccessfulReturn, |
| expect.CorrectObjectFilePreamble): |
| """Tests that the -o flag puts a file in a new location.""" |
| |
| shader = FileShader('#version 310 es\nvoid main() {}', '.frag') |
| glslc_args = [shader, '-o', TempFileName('a.out')] |
| |
| def check_output_a_out(self, status): |
| output_name = os.path.join(status.directory, 'a.out') |
| return self.verify_object_file_preamble(output_name) |
| |
| |
| @inside_glslc_testsuite('OptionDashO') |
| class DashOMissingArgumentIsAnError(expect.ErrorMessage): |
| """Tests that -o without an argument is an error.""" |
| |
| glslc_args = ['-o'] |
| expected_error = ['glslc: error: argument to \'-o\' is missing ' + |
| '(expected 1 value)\n'] |
| |
| |
| @inside_glslc_testsuite('OptionDashO') |
| class OutputFileBinaryAvoidsCRLFTranslation(expect.ReturnCodeIsZero, |
| expect.NoOutputOnStderr, |
| expect.NoGeneratedFiles, |
| expect.CorrectBinaryLengthAndPreamble): |
| """Tests that the -o flag emits a binary file without CR/LF translation. |
| """ |
| |
| # A shader whose compiled output has three bytes that are newlines. |
| # If the output stream converts the newlines to CR/LF, then we end up |
| # with a file that is 4k + 3 bytes long. That will be caught by the |
| # object file checks. |
| SHADER_WITH_THREE_NEWLINES_IN_BINARY = """#version 450 |
| layout(location = 0) out uint ovar; |
| void main() { ovar = 10; } |
| """ |
| |
| shader = FileShader(SHADER_WITH_THREE_NEWLINES_IN_BINARY, '.vert') |
| glslc_args = [shader, '-o', '-'] |
| |
| def check_stdout_binary(self, status): |
| binary = bytes(status.stdout) |
| newlines = [x for x in binary if x == ord('\n')] |
| num_newlines = len(newlines) |
| if num_newlines % 4 == 0: |
| return False, "Bad test. Need nontrivial number of newlines" |
| if num_newlines != 3: |
| return False, ("Update this test. Expected 3 newlines in the " |
| "binary, but found {}").format(num_newlines) |
| return self.verify_binary_length_and_header(bytes(status.stdout)) |