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codegen.rb
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codegen.rb
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##
# Codegen tests
assert('peephole optimization does not eliminate move whose result is reused') do
assert_raise LocalJumpError do
def method
yield
end
method(&a &&= 0)
end
end
assert('empty condition in ternary expression parses correctly') do
assert_equal(() ? 1 : 2, 2)
end
assert('method call with exactly 127 arguments') do
def args_to_ary(*args)
args
end
assert_equal [0]*127, args_to_ary(
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
)
end
assert('nested empty heredoc') do
_, a = nil, <<B
#{<<A}
A
B
assert_equal "\n", a
end
assert('splat in case splat') do
a = *case
when 0
* = 1
end
assert_equal [1], a
end
assert('undef with 127 or more arguments') do
assert_raise NameError do
undef
a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,
a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,
a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,
a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a
end
end
assert('next in normal loop with 127 arguments') do
assert_raise NameError do
while true
next A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A
end
end
end
assert('negate literal register alignment') do
a = *case
when 0
-0.0
2
end
assert_equal [2], a
end