Add test case for 'install_mode'

This is a simple test case, checking for installed_files.txt, which just
makes sure the syntax is accepted.

Manual tests confirmed the permissions were set correctly.

A follow up commit adds a unit test based on this directory.

run_project_tests.py

@@ -303,6 +303,8 @@ def pass_libdir_to_test(dirname):
         return False
     if '39 libdir' in dirname:
         return False
+    if '201 install_mode' in dirname:
+        return False
     return True
 
 def _run_test(testdir, test_build_dir, install_dir, extra_args, compiler, backend, flags, commands, should_fail):

test cases/common/201 install_mode/config.h.in

@@ -0,0 +1,5 @@
+#define MESSAGE "@var@"
+#define OTHER "@other@" "@second@" "@empty@"
+
+#mesondefine BE_TRUE
+#mesondefine SHOULD_BE_UNDEF

test cases/common/201 install_mode/data_source.txt

@@ -0,0 +1 @@
+This is a text only input file.

test cases/common/201 install_mode/foo.1

@@ -0,0 +1 @@
+this is a man page of foo.1 its contents are irrelevant

test cases/common/201 install_mode/installed_files.txt

@@ -0,0 +1,8 @@
+usr/bin/runscript.sh
+usr/bin/trivialprog?exe
+usr/include/config.h
+usr/include/rootdir.h
+usr/libtest/libstat.a
+usr/share/man/man1/foo.1.gz
+usr/share/sub1/second.dat
+usr/subdir/data.dat

test cases/common/201 install_mode/meson.build

@@ -0,0 +1,52 @@
+project('install_mode test', 'c',
+  default_options : ['install_umask=027', 'libdir=libtest'])
+
+# confirm no regressions in install_data
+install_data('runscript.sh',
+  install_dir : get_option('bindir'),
+  install_mode : ['rwxr-sr-x', 'root', 0])
+
+# confirm no regressions in install_subdir
+install_subdir('sub1',
+  install_dir : 'share',
+  install_mode : ['rwxr-x--t', 'root'])
+
+# test install_mode in configure_file
+conf = configuration_data()
+conf.set('var', 'mystring')
+conf.set('other', 'string 2')
+conf.set('second', ' bonus')
+conf.set('BE_TRUE', true)
+configure_file(input : 'config.h.in',
+  output : 'config.h',
+  configuration : conf,
+  install_dir : 'include',
+  install_mode : 'rw-rwSr--')
+
+# test install_mode in custom_target
+custom_target('bindat',
+  output : 'data.dat',
+  input : 'data_source.txt',
+  command : ['cp', '@INPUT@', '@OUTPUT@'],
+  install : true,
+  install_dir : 'subdir',
+  install_mode : 'rw-rwSr--')
+
+# test install_mode in install_headers
+install_headers('rootdir.h',
+  install_mode : 'r--r--r-T')
+
+# test install_mode in install_man
+install_man('foo.1',
+  install_mode : 'r--r--r-T')
+
+# test install_mode in executable
+executable('trivialprog',
+  sources : 'trivial.c',
+  install : true,
+  install_mode : ['rwxr-sr-x', 'root', 'root'])
+
+# test install_mode in static_library
+static_library('stat', 'stat.c',
+  install : true,
+  install_mode : ['rw---Sr--'])

test cases/common/201 install_mode/rootdir.h

@@ -0,0 +1,3 @@
+/* This header goes to include dir root. */
+
+int root_func();

test cases/common/201 install_mode/runscript.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+echo "Runscript"

test cases/common/201 install_mode/stat.c

@@ -0,0 +1 @@
+int func() { return 933; }

test cases/common/201 install_mode/sub1/second.dat

@@ -0,0 +1 @@
+Test that multiple install_subdirs meld their results.

test cases/common/201 install_mode/trivial.c

@@ -0,0 +1,6 @@
+#include<stdio.h>
+
+int main(int argc, char **argv) {
+    printf("Trivial test is working.\n");
+    return 0;
+}