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-rw-r--r--test/ruby/test_float.rb22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb
index aeac359081..9deed4dea4 100644
--- a/test/ruby/test_float.rb
+++ b/test/ruby/test_float.rb
@@ -444,6 +444,28 @@ class TestFloat < Test::Unit::TestCase
assert_equal(1.0, 0.998.round(prec))
end
+ def test_floor_with_precision
+ assert_equal(1.100, 1.111.floor(1))
+ assert_equal(1.110, 1.111.floor(2))
+ assert_equal(11110, 11119.9.floor(-1))
+ assert_equal(11100, 11100.0.floor(-2))
+ assert_equal(11100, 11199.9.floor(-2))
+ assert_equal(0, 11111.1.floor(-5))
+
+ assert_equal(10**300, 1.1e300.floor(-300))
+ assert_equal(-2*10**300, -1.1e300.floor(-300))
+ assert_equal(1.0e-300, 1.1e-300.floor(300))
+ assert_equal(-2.0e-300, -1.1e-300.floor(300))
+
+ assert_equal(42.0, 42.0.floor(308))
+ assert_equal(1.0e307, 1.0e307.floor(2))
+
+ assert_raise(TypeError) {1.0.floor("4")}
+ assert_raise(TypeError) {1.0.floor(nil)}
+ def (prec = Object.new).to_int; 2; end
+ assert_equal(0.99, 0.998.floor(prec))
+ end
+
VS = [
18446744073709551617.0,
18446744073709551616.0,