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-rw-r--r--test/t/integer.rb12
1 files changed, 10 insertions, 2 deletions
diff --git a/test/t/integer.rb b/test/t/integer.rb
index 4ab49eb0a..bd7efa855 100644
--- a/test/t/integer.rb
+++ b/test/t/integer.rb
@@ -232,8 +232,16 @@ assert('Integer#to_i', '15.2.8.3.24') do
end
assert('Integer#to_s', '15.2.8.3.25') do
- assert_equal '1', 1.to_s
- assert_equal("-1", -1.to_s)
+ assert_equal "1", 1.to_s
+ assert_equal "-1", -1.to_s
+ assert_equal "1010", 10.to_s(2)
+ assert_equal "a", 10.to_s(36)
+ assert_equal "-a", -10.to_s(36)
+ assert_equal "30071", 12345.to_s(8)
+ assert_raise(ArgumentError) { 10.to_s(-1) }
+ assert_raise(ArgumentError) { 10.to_s(0) }
+ assert_raise(ArgumentError) { 10.to_s(1) }
+ assert_raise(ArgumentError) { 10.to_s(37) }
end
assert('Integer#truncate', '15.2.8.3.26') do