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-rw-r--r--test/-ext-/bignum/test_str2big.rb30
1 files changed, 30 insertions, 0 deletions
diff --git a/test/-ext-/bignum/test_str2big.rb b/test/-ext-/bignum/test_str2big.rb
new file mode 100644
index 00000000000..ac55c780823
--- /dev/null
+++ b/test/-ext-/bignum/test_str2big.rb
@@ -0,0 +1,30 @@
+require 'test/unit'
+require "-test-/bignum"
+
+class TestBignum < Test::Unit::TestCase
+ class TestStr2big < Test::Unit::TestCase
+
+ SIZEOF_BDIGITS = Bignum::SIZEOF_BDIGITS
+ BITSPERDIG = Bignum::BITSPERDIG
+ BDIGMAX = (1 << BITSPERDIG) - 1
+
+ def test_str2big_poweroftwo
+ s = "1" + "0" * 1000
+ n = 16 ** 1000
+ assert_equal(n, s.str2big_poweroftwo(16, true))
+ end
+
+ def test_str2big_normal
+ s = "1" + "0" * 1000
+ n = 10 ** 1000
+ assert_equal(n, s.str2big_normal(10, true))
+ end
+
+ def test_str2big_karatsuba
+ s = "1" + "0" * 1000
+ n = 10 ** 1000
+ assert_equal(n, s.str2big_karatsuba(10, true))
+ end
+
+ end
+end