[331] | 1 | ##
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| 2 | # Codegen tests
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| 3 |
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| 4 | assert('peephole optimization does not eliminate move whose result is reused') do
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| 5 | assert_raise LocalJumpError do
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| 6 | def method
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| 7 | yield
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| 8 | end
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| 9 | method(&a &&= 0)
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| 10 | end
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| 11 | end
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| 12 |
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| 13 | assert('empty condition in ternary expression parses correctly') do
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| 14 | assert_equal(() ? 1 : 2, 2)
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| 15 | end
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| 16 |
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| 17 | assert('method call with exactly 127 arguments') do
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| 18 | def args_to_ary(*args)
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| 19 | args
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| 20 | end
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| 21 |
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| 22 | assert_equal [0]*127, args_to_ary(
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| 23 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
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| 24 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
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| 25 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
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| 26 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
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| 27 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
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| 28 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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| 29 | )
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| 30 | end
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| 31 |
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| 32 | assert('nested empty heredoc') do
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| 33 | _, a = nil, <<B
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| 34 | #{<<A}
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| 35 | A
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| 36 | B
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| 37 | assert_equal "\n", a
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| 38 | end
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| 39 |
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| 40 | assert('splat in case splat') do
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| 41 | a = *case
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| 42 | when 0
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| 43 | * = 1
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| 44 | end
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| 45 |
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| 46 | assert_equal [1], a
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| 47 | end
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| 48 |
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| 49 | assert('undef with 127 or more arguments') do
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| 50 | assert_raise NameError do
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| 51 | undef
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| 52 | 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,
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| 53 | 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,
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| 54 | 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,
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| 55 | 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
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| 56 | end
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| 57 | end
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| 58 |
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| 59 | assert('next in normal loop with 127 arguments') do
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| 60 | assert_raise NameError do
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| 61 | while true
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| 62 | 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
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| 63 | end
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| 64 | end
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| 65 | end
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| 66 |
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| 67 | assert('negate literal register alignment') do
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| 68 | a = *case
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| 69 | when 0
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| 70 | -0.0
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| 71 | 2
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| 72 | end
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| 73 |
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| 74 | assert_equal [2], a
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| 75 | end
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