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-rw-r--r--test/mkmf/test_find_executable.rb16
1 files changed, 16 insertions, 0 deletions
diff --git a/test/mkmf/test_find_executable.rb b/test/mkmf/test_find_executable.rb
index 5ccec88..132330b 100644
--- a/test/mkmf/test_find_executable.rb
+++ b/test/mkmf/test_find_executable.rb
@@ -2,6 +2,22 @@ require_relative 'base'
class TestMkmf
class TestFindExecutable < TestMkmf
+ def test_valid_warnflags
+ val = $extmk
+ begin
+ makefile = mkmf do
+ $extmk = false
+ self.class::CONFIG['warnflags'] = "-Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Werror=pointer-arith -Werror=write-strings -Werror=declaration-after-statement -Werror=shorten-64-to-32"
+ self.class::CONFIG['GCC'] = 'yes'
+ configuration '.'
+ end
+ generated_flags = makefile.grep(/warnflags/).first[/^warnflags = .*$/]
+ assert_equal "warnflags = -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wshorten-64-to-32", generated_flags
+ ensure
+ $extmk = val
+ end
+ end
+
def test_find_executable
bug2669 = '[ruby-core:27912]'
path, ENV["PATH"] = ENV["PATH"], path