From 597149ae23916a5b0ce616565cbbe7bd97142a63 Mon Sep 17 00:00:00 2001 From: "Yukihiro \"Matz\" Matsumoto" Date: Wed, 22 Nov 2017 16:10:28 +0900 Subject: Change newline style of test/t/lang.rb (from DOS) --- test/t/lang.rb | 148 ++++++++++++++++++++++++++++----------------------------- 1 file changed, 74 insertions(+), 74 deletions(-) (limited to 'test') diff --git a/test/t/lang.rb b/test/t/lang.rb index c28bcfa92..4ed1b3daf 100755 --- a/test/t/lang.rb +++ b/test/t/lang.rb @@ -1,74 +1,74 @@ -# The aim of these tests is to detect pitfall for optimized VM. - -# Test for or/and -# -# You may think instruction fusion(OP_EQ and OP_JMPIF) for avoiding -# generate intermediate boolean value. -# But and/or is pitfall for this fusioning. -# -# For example, the following mruby code: -# -# if i > 0 and i < 10 -# -# compiles to the following byte code: -# -# 1 000 OP_LOADI R1 0 ; R1:i -# 2 001 OP_MOVE R2 R1 ; R1:i -# 2 002 OP_LOADI R3 0 -# 2 003 OP_GT R2 :> 1 -# 2 004 OP_JMPNOT R2 008 -# 2 005 OP_MOVE R2 R1 ; R1:i -# 2 006 OP_LOADI R3 10 -# 2 007 OP_LT R2 :< 1 -# 2 008 OP_JMPNOT R2 (The address of end of then part) -# -# When the instruction fusion the OP_GT and OP_JMPNOT you fell into the pitfalls. -# The deleted intermediate boolean value is used in OP_JMPNOT (address 008). - -assert('and', '11.2.3') do - a = 1 - if a > 0 and a < 10 - b = 1 - else - b = 0 - end - assert_equal 1, b - - if a < 0 and a < 10 - b = 1 - else - b = 0 - end - assert_equal 0, b - - if a < 0 and a > 10 - b = 1 - else - b = 0 - end - assert_equal 0, b -end - -assert('or','11.2.4') do - a = 1 - if a > 0 or a < 10 - b = 1 - else - b = 0 - end - assert_equal 1, b - - if a < 0 or a < 10 - b = 1 - else - b = 0 - end - assert_equal 1, b - - if a < 0 or a > 10 - b = 1 - else - b = 0 - end - assert_equal 0, b -end +# The aim of these tests is to detect pitfall for optimized VM. + +# Test for or/and +# +# You may think instruction fusion(OP_EQ and OP_JMPIF) for avoiding +# generate intermediate boolean value. +# But and/or is pitfall for this fusioning. +# +# For example, the following mruby code: +# +# if i > 0 and i < 10 +# +# compiles to the following byte code: +# +# 1 000 OP_LOADI R1 0 ; R1:i +# 2 001 OP_MOVE R2 R1 ; R1:i +# 2 002 OP_LOADI R3 0 +# 2 003 OP_GT R2 :> 1 +# 2 004 OP_JMPNOT R2 008 +# 2 005 OP_MOVE R2 R1 ; R1:i +# 2 006 OP_LOADI R3 10 +# 2 007 OP_LT R2 :< 1 +# 2 008 OP_JMPNOT R2 (The address of end of then part) +# +# When the instruction fusion the OP_GT and OP_JMPNOT you fell into the pitfalls. +# The deleted intermediate boolean value is used in OP_JMPNOT (address 008). + +assert('and', '11.2.3') do + a = 1 + if a > 0 and a < 10 + b = 1 + else + b = 0 + end + assert_equal 1, b + + if a < 0 and a < 10 + b = 1 + else + b = 0 + end + assert_equal 0, b + + if a < 0 and a > 10 + b = 1 + else + b = 0 + end + assert_equal 0, b +end + +assert('or','11.2.4') do + a = 1 + if a > 0 or a < 10 + b = 1 + else + b = 0 + end + assert_equal 1, b + + if a < 0 or a < 10 + b = 1 + else + b = 0 + end + assert_equal 1, b + + if a < 0 or a > 10 + b = 1 + else + b = 0 + end + assert_equal 0, b +end -- cgit v1.2.3