312 lines
7.0 KiB
Ruby
312 lines
7.0 KiB
Ruby
#----------------------------------------------------------------------
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# CMDTEST_gcc.rb
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#----------------------------------------------------------------------
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# Copyright 2010 Johan Holmberg.
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#----------------------------------------------------------------------
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# This file is part of "cmdtest".
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#
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# "cmdtest" is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# "cmdtest" is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with "cmdtest". If not, see <http://www.gnu.org/licenses/>.
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#----------------------------------------------------------------------
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#
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# Example of testing GCC command line interface using "cmdtest".
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#
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class CMDTEST_gcc < Cmdtest::Testcase
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def gcc
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ENV["CMDTEST_GCC_TO_TEST"] || "gcc"
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end
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#----------------------------------------
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def test_no_arguments
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cmd "#{gcc}" do
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stderr_equal [
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/^.*gcc.*: no input files/,
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]
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exit_nonzero
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end
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end
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#----------------------------------------
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def test_nonexisting_input
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cmd "#{gcc} -c non-existing.c" do
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stderr_equal [
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/^.*gcc.*: non-existing.c: No such file/,
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/^.*gcc.*: no input files/,
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]
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exit_nonzero
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end
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cmd "#{gcc} non-existing.c" do
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stderr_equal [
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/^.*gcc.*: non-existing.c: No such file/,
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/^.*gcc.*: no input files/,
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]
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exit_nonzero
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end
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cmd "#{gcc} non-existing.o" do
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stderr_equal [
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/^.*gcc.*: non-existing.o: No such file/,
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/^.*gcc.*: no input files/,
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]
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exit_nonzero
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end
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end
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#----------------------------------------
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def test_compile_only
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create_file "alpha.c", "int add_alpha(int x, int y) { return x+y; }"
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cmd "#{gcc} -c alpha.c" do
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created_files "alpha.o"
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end
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create_file "beta.c", "int add_beta(int x, int y) { return x+y; }"
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create_file "gamma.c", "int add_gamma(int x, int y) { return x+y; }"
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cmd "#{gcc} -c beta.c gamma.c" do
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created_files "beta.o", "gamma.o"
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end
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cmd "#{gcc} alpha.c -c" do
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written_files "alpha.o"
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end
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cmd "#{gcc} beta.c -c gamma.c" do
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written_files "beta.o", "gamma.o"
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end
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cmd "#{gcc} -c alpha.o" do
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stderr_equal [
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/^.*gcc.*: alpha.o: linker input file unused because linking not done/,
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]
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end
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cmd "#{gcc} -c alpha.o beta.o" do
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stderr_equal [
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/^.*gcc.*: alpha.o: linker input file unused because linking not done/,
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/^.*gcc.*: beta.o: linker input file unused because linking not done/,
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]
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end
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end
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#----------------------------------------
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def test_compile_output
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create_file "alpha.c", "int add_alpha(int x, int y) { return x+y; }"
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cmd "#{gcc} -c alpha.c -o alpha.o" do
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created_files "alpha.o"
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end
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cmd "#{gcc} -c alpha.c -o beta.o" do
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created_files "beta.o"
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end
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cmd "#{gcc} -o gamma.o -c alpha.c" do
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created_files "gamma.o"
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end
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end
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#----------------------------------------
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def test_link
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create_file "alpha.c", "int main() { return 17; }"
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cmd "#{gcc} -c alpha.c" do
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created_files "alpha.o"
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end
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cmd "#{gcc} alpha.o" do
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created_files "a.out"
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end
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cmd "#{gcc} alpha.o -o beta" do
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created_files "beta"
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end
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cmd "#{gcc} -o gamma alpha.o" do
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created_files "gamma"
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end
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end
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#----------------------------------------
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def test_link_2
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create_file "alpha.c", "extern int beta ; int main() { return beta; }"
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create_file "beta.c", "int beta = 17;"
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cmd "#{gcc} -c alpha.c beta.c" do
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created_files "alpha.o", "beta.o"
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end
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cmd "#{gcc} alpha.o beta.o" do
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created_files "a.out"
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end
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cmd "#{gcc} alpha.o beta.o -o beta" do
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created_files "beta"
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end
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cmd "#{gcc} -o gamma alpha.o beta.o" do
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created_files "gamma"
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end
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end
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#----------------------------------------
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def test_compile_and_link
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create_file "alpha.c", "extern int beta ; int main() { return beta; }"
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create_file "beta.c", "int beta = 17;"
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cmd "#{gcc} alpha.c beta.c" do
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created_files "a.out"
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end
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cmd "#{gcc} alpha.c beta.c -o gamma" do
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created_files "gamma"
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end
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cmd "#{gcc} -o delta alpha.c beta.c" do
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created_files "delta"
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end
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cmd "#{gcc} -c alpha.c" do
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created_files "alpha.o"
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end
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cmd "#{gcc} -o epsilon alpha.o beta.c" do
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created_files "epsilon"
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end
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end
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#----------------------------------------
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def test_preprocess
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create_file "alpha.c", [
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"#define VALUE 17",
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"int variable = VALUE;",
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]
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cmd "#{gcc} -E alpha.c" do
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stdout_equal /"alpha.c"/
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stdout_equal /^int variable = 17;/
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end
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cmd "#{gcc} -E alpha.c -o alpha.preprocessed" do
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created_files "alpha.preprocessed"
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file_equal "alpha.preprocessed", /"alpha.c"/
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file_equal "alpha.preprocessed", /^int variable = 17;/
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end
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end
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#----------------------------------------
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def test_defines
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create_file "alpha.c", [
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"#ifndef AAA",
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"#define AAA aaa_in_file",
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"#endif",
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"#ifndef BBB",
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"#define BBB bbb_in_file",
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"#endif",
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"AAA --- BBB",
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]
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cmd "#{gcc} -E alpha.c" do
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stdout_equal /^aaa_in_file --- bbb_in_file/
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end
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cmd "#{gcc} -DAAA=aaa_option -E alpha.c" do
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stdout_equal /^aaa_option --- bbb_in_file/
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end
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cmd "#{gcc} -DAAA=aaa_option -DBBB=bbb_option -E alpha.c" do
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stdout_equal /^aaa_option --- bbb_option/
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end
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end
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#----------------------------------------
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def test_includes
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create_file "alpha.c", [
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"#include <alpha.h>",
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]
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create_file "dir1/alpha.h", "this_is_dir1"
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create_file "dir2/alpha.h", "this_is_dir2"
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cmd "#{gcc} -Idir1 -E alpha.c" do
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stdout_equal /this_is_dir1/
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end
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cmd "#{gcc} -Idir2 -E alpha.c" do
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stdout_equal /this_is_dir2/
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end
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cmd "#{gcc} -Idir1 -Idir2 -E alpha.c" do
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stdout_equal /this_is_dir1/
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end
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cmd "#{gcc} -Idir2 -Idir1 -E alpha.c" do
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stdout_equal /this_is_dir2/
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end
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create_file "beta.c", [
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"#include <beta1.h>",
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"#include <beta2.h>",
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"#include <beta12.h>",
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]
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create_file "dir1/beta1.h", "dir1_beta1_h"
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create_file "dir1/beta12.h", "dir1_beta12_h"
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create_file "dir2/beta2.h", "dir2_beta2_h"
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create_file "dir2/beta12.h", "dir2_beta12_h"
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cmd "#{gcc} -Idir1 -Idir2 -E beta.c" do
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stdout_equal /dir1_beta1_h/
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stdout_equal /dir1_beta12_h/
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stdout_equal /dir2_beta2_h/
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end
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cmd "#{gcc} -Idir2 -Idir1 -E beta.c" do
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stdout_equal /dir1_beta1_h/
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stdout_equal /dir2_beta12_h/
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stdout_equal /dir2_beta2_h/
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end
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end
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#----------------------------------------
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end
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