diff options
Diffstat (limited to 'test/fiddle/test_func.rb')
-rw-r--r-- | test/fiddle/test_func.rb | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/test/fiddle/test_func.rb b/test/fiddle/test_func.rb new file mode 100644 index 0000000000..e77229b7e8 --- /dev/null +++ b/test/fiddle/test_func.rb @@ -0,0 +1,79 @@ +require_relative 'helper' + +module Fiddle + class TestFunc < TestCase + def test_random + f = Function.new(@libc['srand'], [-TYPE_LONG], TYPE_VOID) + assert_nil f.call(10) + end + + def test_sinf + begin + f = Function.new(@libm['sinf'], [TYPE_FLOAT], TYPE_FLOAT) + rescue Fiddle::DLError + skip "libm may not have sinf()" + end + assert_in_delta 1.0, f.call(90 * Math::PI / 180), 0.0001 + end + + def test_sin + f = Function.new(@libm['sin'], [TYPE_DOUBLE], TYPE_DOUBLE) + assert_in_delta 1.0, f.call(90 * Math::PI / 180), 0.0001 + end + + def test_string + stress, GC.stress = GC.stress, true + f = Function.new(@libc['strcpy'], [TYPE_VOIDP, TYPE_VOIDP], TYPE_VOIDP) + buff = "000" + str = f.call(buff, "123") + assert_equal("123", buff) + assert_equal("123", str.to_s) + ensure + GC.stress = stress + end + + def test_isdigit + f = Function.new(@libc['isdigit'], [TYPE_INT], TYPE_INT) + r1 = f.call(?1.ord) + r2 = f.call(?2.ord) + rr = f.call(?r.ord) + assert_operator r1, :>, 0 + assert_operator r2, :>, 0 + assert_equal 0, rr + end + + def test_atof + f = Function.new(@libc['atof'], [TYPE_VOIDP], TYPE_DOUBLE) + r = f.call("12.34") + assert_includes(12.00..13.00, r) + end + + def test_strtod + f = Function.new(@libc['strtod'], [TYPE_VOIDP, TYPE_VOIDP], TYPE_DOUBLE) + buff1 = Pointer["12.34"] + buff2 = buff1 + 4 + r = f.call(buff1, - buff2) + assert_in_delta(12.34, r, 0.001) + end + + def test_qsort1 + cb = Class.new(Closure) { + def call(x, y) + Pointer.new(x)[0] <=> Pointer.new(y)[0] + end + }.new(TYPE_INT, [TYPE_VOIDP, TYPE_VOIDP]) + + qsort = Function.new(@libc['qsort'], + [TYPE_VOIDP, TYPE_SIZE_T, TYPE_SIZE_T, TYPE_VOIDP], + TYPE_VOID) + buff = "9341" + qsort.call(buff, buff.size, 1, cb) + assert_equal("1349", buff) + + bug4929 = '[ruby-core:37395]' + buff = "9341" + EnvUtil.under_gc_stress {qsort.call(buff, buff.size, 1, cb)} + assert_equal("1349", buff, bug4929) + end + end +end |