1 files changed, 19 insertions, 9 deletions
diff --git a/test/t/integer.rb b/test/t/integer.rb
index c50ef112c..d4ef8b519 100644
--- a/test/t/integer.rb
+++ b/test/t/integer.rb
@@ -71,10 +71,24 @@ assert('Integer#%', '15.2.8.3.5') do
   a = 1%1
   b = 1%1.0
   c = 2%4
+  d = 2%5
+  e = 2%-5
+  f = -2%5
+  g = -2%-5
+  h =  2%-2
+  i = -2%2
+  j = -2%-2
 
   assert_equal 0, a
   assert_equal 0.0, b
   assert_equal 2, c
+  assert_equal 2, d
+  assert_equal(-3, e)
+  assert_equal 3, f
+  assert_equal(-2, g)
+  assert_equal 0, h
+  assert_equal 0, i
+  assert_equal 0, j
 end
 
 assert('Integer#<=>', '15.2.9.3.6') do
@@ -134,10 +148,11 @@ assert('Integer#<<', '15.2.8.3.12') do
   # Left Shift by a negative is Right Shift
   assert_equal 23, 46 << -1
 
-  # Raise when shift is too large
-  assert_raise(RangeError) do
-    2 << 128
-  end
+  # Left Shift by 31 is bitShift overflow to SignedInt
+  assert_equal 2147483648, 1 << 31
+
+  # -3 Left Shift by 30 is bitShift overflow to SignedInt
+  assert_equal(-3221225472, -3 << 30)
 end
 
 assert('Integer#>>', '15.2.8.3.13') do
@@ -151,11 +166,6 @@ assert('Integer#>>', '15.2.8.3.13') do
 
   # Don't raise on large Right Shift
   assert_equal 0, 23 >> 128
-
-  # Raise when shift is too large
-  assert_raise(RangeError) do
-    2 >> -128
-  end
 end
 
 assert('Integer#ceil', '15.2.8.3.14') do