99 lines
3.8 KiB
Python
99 lines
3.8 KiB
Python
# Copyright 2015 The Shaderc Authors. All rights reserved.
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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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import expect
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import os.path
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from glslc_test_framework import inside_glslc_testsuite
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from placeholder import FileShader, TempFileName
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from builtins import bytes
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@inside_glslc_testsuite('OptionDashO')
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class TestOptionDashOConcatenatedArg(expect.SuccessfulReturn,
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expect.CorrectObjectFilePreamble):
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"""Tests that we can concatenate -o and the output filename."""
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shader = FileShader('#version 140\nvoid main() {}', '.vert')
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glslc_args = ['-ofoo', shader]
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def check_output_foo(self, status):
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output_name = os.path.join(status.directory, 'foo')
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return self.verify_object_file_preamble(output_name)
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@inside_glslc_testsuite('OptionDashO')
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class ManyOutputFilesWithDashO(expect.ErrorMessage):
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"""Tests -o and -c with several files generates an error."""
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shader1 = FileShader('', '.vert')
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shader2 = FileShader('', '.frag')
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glslc_args = ['-o', 'foo', '-c', shader1, shader2]
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expected_error = [
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'glslc: error: cannot specify -o when '
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'generating multiple output files\n']
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@inside_glslc_testsuite('OptionDashO')
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class OutputFileLocation(expect.SuccessfulReturn,
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expect.CorrectObjectFilePreamble):
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"""Tests that the -o flag puts a file in a new location."""
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shader = FileShader('#version 310 es\nvoid main() {}', '.frag')
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glslc_args = [shader, '-o', TempFileName('a.out')]
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def check_output_a_out(self, status):
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output_name = os.path.join(status.directory, 'a.out')
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return self.verify_object_file_preamble(output_name)
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@inside_glslc_testsuite('OptionDashO')
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class DashOMissingArgumentIsAnError(expect.ErrorMessage):
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"""Tests that -o without an argument is an error."""
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glslc_args = ['-o']
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expected_error = ['glslc: error: argument to \'-o\' is missing ' +
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'(expected 1 value)\n']
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@inside_glslc_testsuite('OptionDashO')
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class OutputFileBinaryAvoidsCRLFTranslation(expect.ReturnCodeIsZero,
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expect.NoOutputOnStderr,
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expect.NoGeneratedFiles,
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expect.CorrectBinaryLengthAndPreamble):
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"""Tests that the -o flag emits a binary file without CR/LF translation.
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"""
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# A shader whose compiled output has three bytes that are newlines.
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# If the output stream converts the newlines to CR/LF, then we end up
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# with a file that is 4k + 3 bytes long. That will be caught by the
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# object file checks.
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SHADER_WITH_THREE_NEWLINES_IN_BINARY = """#version 450
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layout(location = 0) out uint ovar;
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void main() { ovar = 9; }
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"""
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shader = FileShader(SHADER_WITH_THREE_NEWLINES_IN_BINARY, '.vert')
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glslc_args = [shader, '-o', '-']
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def check_stdout_binary(self, status):
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binary = bytes(status.stdout)
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newlines = [x for x in binary if x == ord('\n')]
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num_newlines = len(newlines)
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if num_newlines % 4 == 0:
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return False, "Bad test. Need nontrivial number of newlines"
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if num_newlines != 2:
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return False, ("Update this test. Expected 3 newlines in the "
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"binary, but found {}").format(num_newlines)
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return self.verify_binary_length_and_header(bytes(status.stdout))
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