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-rw-r--r--mrbgems/mruby-string-ext/test/string.rb51
1 files changed, 51 insertions, 0 deletions
diff --git a/mrbgems/mruby-string-ext/test/string.rb b/mrbgems/mruby-string-ext/test/string.rb
index 02777e594..bf633bcef 100644
--- a/mrbgems/mruby-string-ext/test/string.rb
+++ b/mrbgems/mruby-string-ext/test/string.rb
@@ -26,10 +26,61 @@ end
assert('String#byteslice') do
str1 = "hello"
+ str2 = "\u3042ab" # "\xE3\x81\x82ab"
+
+ assert_equal("h", str1.byteslice(0))
assert_equal("e", str1.byteslice(1))
+ assert_equal(nil, str1.byteslice(5))
assert_equal("o", str1.byteslice(-1))
+ assert_equal(nil, str1.byteslice(-6))
+ assert_equal("\xE3", str2.byteslice(0))
+ assert_equal("\x81", str2.byteslice(1))
+ assert_equal(nil, str2.byteslice(5))
+ assert_equal("b", str2.byteslice(-1))
+ assert_equal(nil, str2.byteslice(-6))
+
+ assert_equal("", str1.byteslice(0, 0))
+ assert_equal(str1, str1.byteslice(0, 6))
+ assert_equal("el", str1.byteslice(1, 2))
+ assert_equal("", str1.byteslice(5, 1))
+ assert_equal("o", str1.byteslice(-1, 6))
+ assert_equal(nil, str1.byteslice(-6, 1))
+ assert_equal(nil, str1.byteslice(0, -1))
+ assert_equal("", str2.byteslice(0, 0))
+ assert_equal(str2, str2.byteslice(0, 6))
+ assert_equal("\x81\x82", str2.byteslice(1, 2))
+ assert_equal("", str2.byteslice(5, 1))
+ assert_equal("b", str2.byteslice(-1, 6))
+ assert_equal(nil, str2.byteslice(-6, 1))
+ assert_equal(nil, str2.byteslice(0, -1))
+
assert_equal("ell", str1.byteslice(1..3))
assert_equal("el", str1.byteslice(1...3))
+ assert_equal("h", str1.byteslice(0..0))
+ assert_equal("", str1.byteslice(5..0))
+ assert_equal("o", str1.byteslice(4..5))
+ assert_equal(nil, str1.byteslice(6..0))
+ assert_equal("", str1.byteslice(-1..0))
+ assert_equal("llo", str1.byteslice(-3..5))
+ assert_equal("\x81\x82a", str2.byteslice(1..3))
+ assert_equal("\x81\x82", str2.byteslice(1...3))
+ assert_equal("\xE3", str2.byteslice(0..0))
+ assert_equal("", str2.byteslice(5..0))
+ assert_equal("b", str2.byteslice(4..5))
+ assert_equal(nil, str2.byteslice(6..0))
+ assert_equal("", str2.byteslice(-1..0))
+ assert_equal("\x82ab", str2.byteslice(-3..5))
+
+ assert_raise(ArgumentError) { str1.byteslice }
+ assert_raise(ArgumentError) { str1.byteslice(1, 2, 3) }
+ assert_raise(TypeError) { str1.byteslice("1") }
+ assert_raise(TypeError) { str1.byteslice("1", 2) }
+ assert_raise(TypeError) { str1.byteslice(1, "2") }
+ assert_raise(TypeError) { str1.byteslice(1..2, 3) }
+
+ skip unless Object.const_defined?(:Float)
+ assert_equal("o", str1.byteslice(4.0))
+ assert_equal("\x82ab", str2.byteslice(2.0, 3.0))
end
assert('String#dump') do