37 lines
1.3 KiB
Ruby
37 lines
1.3 KiB
Ruby
# frozen_string_literal: false
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require_relative 'base'
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class TestMkmfTryConstant < TestMkmf
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def test_simple
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assert_equal( 0, mkmf {try_constant("0")}, MKMFLOG)
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assert_equal( 1, mkmf {try_constant("1")}, MKMFLOG)
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assert_equal(-1, mkmf {try_constant("-1")}, MKMFLOG)
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end
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def test_sizeof
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assert_equal(config_value("SIZEOF_INT").to_i, mkmf {try_constant("sizeof(int)")}, MKMFLOG)
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assert_equal(config_value("SIZEOF_LONG").to_i, mkmf {try_constant("sizeof(long)")}, MKMFLOG)
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assert_equal(config_value("SIZEOF_VOIDP").to_i, mkmf {try_constant("sizeof(void*)")}, MKMFLOG)
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assert_equal(config_value("SIZEOF_VALUE").to_i, mkmf {try_constant("sizeof(Qnil)")}, MKMFLOG)
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end
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def test_long
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sizeof_int = config_value("SIZEOF_INT").to_i
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sizeof_long = config_value("SIZEOF_LONG").to_i
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if sizeof_long > sizeof_int
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type = 'long'
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else
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sizeof_long_long = config_value("SIZEOF_LONG_LONG").to_i
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return if !sizeof_long_long or sizeof_long_long <= sizeof_int
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type = 'LONG_LONG'
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end
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decl = "#define CONFTEST_VALUE (unsigned #{type})(((unsigned #{type})1)<<(CHAR_BIT*sizeof(int)))"
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assert_operator(mkmf {try_constant("CONFTEST_VALUE", [[decl]])}, :>, 0, MKMFLOG)
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end
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def test_large_unsigned
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assert_operator(mkmf {try_constant("1U<<(CHAR_BIT*sizeof(int)-1)")}, :>, 0, MKMFLOG)
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end
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end
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