https://git.ruby-lang.org/ruby.git/commit/?id=cce6cfbe48

From cce6cfbe486984c2c41d6b772a692ea87ad0222a Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@r...>
Date: Mon, 9 Sep 2019 20:24:03 +0900
Subject: Make test-all and test-spec runnable on Android

Calling some syscall functions such as Dir.chroot causes SIGSYS instead
of EPERM on Android.
This change skips all tests that stops the test-suite run.

diff --git a/spec/ruby/core/dir/chroot_spec.rb b/spec/ruby/core/dir/chroot_spec.rb
index 5539241..a5ca894 100644
--- a/spec/ruby/core/dir/chroot_spec.rb
+++ b/spec/ruby/core/dir/chroot_spec.rb
@@ -9,7 +9,7 @@ platform_is_not :windows do https://github.com/ruby/ruby/blob/trunk/spec/ruby/core/dir/chroot_spec.rb#L9
     end
   end
 
-  platform_is_not :cygwin do
+  platform_is_not :cygwin, :android do
     as_user do
       describe "Dir.chroot as regular user" do
         before :all do
diff --git a/spec/ruby/core/process/groups_spec.rb b/spec/ruby/core/process/groups_spec.rb
index 6b91757..cbbe4fe 100644
--- a/spec/ruby/core/process/groups_spec.rb
+++ b/spec/ruby/core/process/groups_spec.rb
@@ -14,7 +14,7 @@ describe "Process.groups" do https://github.com/ruby/ruby/blob/trunk/spec/ruby/core/process/groups_spec.rb#L14
 end
 
 describe "Process.groups=" do
-  platform_is_not :windows do
+  platform_is_not :windows, :android do
     as_superuser do
       it "sets the list of gids of groups in the supplemental group access list" do
         groups = Process.groups
diff --git a/spec/ruby/core/process/initgroups_spec.rb b/spec/ruby/core/process/initgroups_spec.rb
index 1dd516d..ffc7f28 100644
--- a/spec/ruby/core/process/initgroups_spec.rb
+++ b/spec/ruby/core/process/initgroups_spec.rb
@@ -1,7 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/spec/ruby/core/process/initgroups_spec.rb#L1
 require_relative '../../spec_helper'
 
 describe "Process.initgroups" do
-  platform_is_not :windows do
+  platform_is_not :windows, :android do
     as_user do
       it "initializes the supplemental group access list" do
         name = `id -un`.strip
diff --git a/test/fiddle/helper.rb b/test/fiddle/helper.rb
index 4aaa55e..d6fc44a 100644
--- a/test/fiddle/helper.rb
+++ b/test/fiddle/helper.rb
@@ -10,6 +10,13 @@ case RUBY_PLATFORM https://github.com/ruby/ruby/blob/trunk/test/fiddle/helper.rb#L10
 when /cygwin/
   libc_so = "cygwin1.dll"
   libm_so = "cygwin1.dll"
+when /android/
+  libdir = '/system/lib'
+  if [0].pack('L!').size == 8
+    libdir = '/system/lib64'
+  end
+  libc_so = File.join(libdir, "libc.so")
+  libm_so = File.join(libdir, "libm.so")
 when /linux/
   libdir = '/lib'
   case [0].pack('L!').size
diff --git a/test/pathname/test_pathname.rb b/test/pathname/test_pathname.rb
index 076a73e..eaecc52 100644
--- a/test/pathname/test_pathname.rb
+++ b/test/pathname/test_pathname.rb
@@ -789,6 +789,7 @@ class TestPathname < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/pathname/test_pathname.rb#L789
   end
 
   def test_birthtime
+    skip if RUBY_PLATFORM =~ /android/
     # Check under a (probably) local filesystem.
     # Remote filesystems often may not support birthtime.
     with_tmpchdir('rubytest-pathname') do |dir|
diff --git a/test/ruby/test_dir.rb b/test/ruby/test_dir.rb
index 75cae71..1bb228f 100644
--- a/test/ruby/test_dir.rb
+++ b/test/ruby/test_dir.rb
@@ -122,6 +122,7 @@ class TestDir < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_dir.rb#L122
   end
 
   def test_chroot_nodir
+    skip if RUBY_PLATFORM =~ /android/
     assert_raise(NotImplementedError, Errno::ENOENT, Errno::EPERM
 		) { Dir.chroot(File.join(@nodir, "")) }
   end
diff --git a/test/ruby/test_file_exhaustive.rb b/test/ruby/test_file_exhaustive.rb
index 33ed73d..2a5a860 100644
--- a/test/ruby/test_file_exhaustive.rb
+++ b/test/ruby/test_file_exhaustive.rb
@@ -642,6 +642,7 @@ class TestFileExhaustive < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_file_exhaustive.rb#L642
   end
 
   def test_birthtime
+    skip if RUBY_PLATFORM =~ /android/
     [regular_file, utf8_file].each do |file|
       t1 = File.birthtime(file)
       t2 = File.open(file) {|f| f.birthtime}
diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index 83c9c6a..d1814a8 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -1583,6 +1583,7 @@ class TestProcess < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_process.rb#L1583
   end
 
   def test_setegid
+    skip "root can use Process.egid on Android platform" if RUBY_PLATFORM =~ /android/
     assert_nothing_raised(TypeError) {Process.egid += 0}
   rescue NotImplementedError
   end
@@ -1871,6 +1872,7 @@ class TestProcess < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_process.rb#L1872
   end
 
   def test_execopts_uid
+    skip "root can use uid option of Kernel#system on Android platform" if RUBY_PLATFORM =~ /android/
     feature6975 = '[ruby-core:47414]'
 
     [30000, [Process.uid, ENV["USER"]]].each do |uid, user|
@@ -1902,6 +1904,7 @@ class TestProcess < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_process.rb#L1904
 
   def test_execopts_gid
     skip "Process.groups not implemented on Windows platform" if windows?
+    skip "root can use Process.groups on Android platform" if RUBY_PLATFORM =~ /android/
     feature6975 = '[ruby-core:47414]'
 
     groups = Process.groups.map do |g|
-- 
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