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Diffstat (limited to 'trunk/yarvtest/test_flow.rb')
| -rw-r--r-- | trunk/yarvtest/test_flow.rb | 591 |
1 files changed, 0 insertions, 591 deletions
diff --git a/trunk/yarvtest/test_flow.rb b/trunk/yarvtest/test_flow.rb deleted file mode 100644 index bc4d84e5fd..0000000000 --- a/trunk/yarvtest/test_flow.rb +++ /dev/null @@ -1,591 +0,0 @@ -# -# This test program is contributed by George Marrows -# Re: [Yarv-devel] Some tests for test_jump.rb -# - -require 'yarvtest/yarvtest' - -class TestFlow < YarvTestBase - def ae_flow(src, for_value=true) - # Tracks flow through the code - # A test like - # begin - # ensure - # end - # gets transformed into - # a = [] - # begin - # begin; a << 1 - # ensure; a << 2 - # end; a << 3 - # rescue Exception - # a << 99 - # end - # a - # before being run. This tracks control flow through the code. - - cnt = 0 - src = src.gsub(/(\n|$)/) { "; $a << #{cnt+=1}\n" } - src = "$a = []; begin; #{src}; rescue Exception; $a << 99; end; $a" - - if false#||true - STDERR.puts - STDERR.puts '#----' - STDERR.puts src - STDERR.puts '#----' - end - - ae(src) - end - - def test_while_with_ensure - ae %q{ - a = [] - i = 0 - begin - while i < 1 - i+=1 - begin - begin - next - ensure - a << :ok - end - ensure - a << :ok2 - end - end - ensure - a << :last - end - } - ae %q{ - a = [] - i = 0 - begin - while i < 1 - i+=1 - begin - begin - break - ensure - a << :ok - end - ensure - a << :ok2 - end - end - ensure - a << :last - end - } - ae %q{ - a = [] - i = 0 - begin - while i < 1 - if i>0 - break - end - i+=1 - begin - begin - redo - ensure - a << :ok - end - ensure - a << :ok2 - end - end - ensure - a << :last - end - } - end - - def test_ensure_normal_flow - ae_flow %{ - begin - ensure - end } - end - - def test_ensure_exception - ae_flow %{ - begin - raise StandardError - ensure - end - } - end - - def test_break_in_block_runs_ensure - ae_flow %{ - [1,2].each do - begin - break - ensure - end - end - } - end - - def test_next_in_block_runs_ensure - ae_flow %{ - [1,2].each do - begin - next - ensure - end - end - } - end - def test_return_from_method_runs_ensure - ae_flow %{ - o = "test" - def o.test(a) - return a - ensure - end - o.test(123) - } - end - - def test_break_from_ifunc - ae %q{ - ["a"].inject("ng"){|x,y| - break :ok - } - } - ae %q{ - unless ''.respond_to? :lines - class String - def lines - self - end - end - end - - ('a').lines.map{|e| - break :ok - } - } - ae_flow %q{ - ["a"].inject("ng"){|x,y| - break :ok - } - } - ae_flow %q{ - ('a'..'b').map{|e| - break :ok - } - } - end - - def test_break_ensure_interaction1 - # make sure that any 'break state' set up in the VM is c - # the time of the ensure - ae_flow %{ - [1,2].each{ - break - } - begin - ensure - end - } - end - - def test_break_ensure_interaction2 - # ditto, different arrangement - ae_flow %{ - begin - [1,2].each do - break - end - ensure - end - } - end - - def test_break_through_2_ensures - ae_flow %{ - [1,2].each do - begin - begin - break - ensure - end - ensure - end - end - } - end - - def test_ensure_break_ensure - # break through an ensure; run 2nd normally - ae_flow %{ - begin - [1,2].each do - begin - break - ensure - end - end - ensure - end - } - end - - def test_exception_overrides_break - ae_flow %{ - [1,2].each do - begin - break - ensure - raise StandardError - end - end - } - end - - def test_break_overrides_exception - ae_flow %{ - [1,2].each do - begin - raise StandardError - ensure - break - end - end - } - ae_flow %{ - [1,2].each do - begin - raise StandardError - rescue - break - end - end - } - end - - def test_break_in_exception - ae_flow %q{ - i=0 - while i<3 - i+=1 - begin - ensure - break - end - end - } - ae_flow %q{ - i=0 - while i<3 - i+=1 - begin - raise - ensure - break - end - end - } - ae_flow %q{ - i=0 - while i<3 - i+=1 - begin - raise - rescue - break - end - end - } - end - - def test_next_in_exception - return - ae_flow %q{ - i=0 - while i<3 - i+=1 - begin - ensure - next - end - end - } - ae_flow %q{ - i=0 - while i<3 - i+=1 - begin - raise - ensure - next - end - end - } - ae_flow %q{ - i=0 - while i<3 - i+=1 - begin - raise - rescue - next - end - end - } - end - - def test_complex_break - ae_flow %q{ - i = 0 - while i<3 - i+=1 - j = 0 - while j<3 - j+=1 - begin - raise - rescue - break - end - end - end - } - ae_flow %q{ - i = 0 - while i<3 - i+=1 - j = 0 - while j<3 - j+=1 - 1.times{ - begin - raise - rescue - break - end - } - end - end - } - ae_flow %q{ - i = 0 - while i<3 - i+=1 - j = 0 - while j<3 - j+=1 - begin - raise - ensure - break - end - end - end - } - ae_flow %q{ - i = 0 - while i<3 - i+=1 - j = 0 - while j<3 - j+=1 - 1.times{ - begin - raise - ensure - break - end - } - end - end - } - ae_flow %q{ - while true - begin - break - ensure - break - end - end - } - ae_flow %q{ - while true - begin - break - ensure - raise - end - end - } - end - - def test_jump_from_class - ae_flow %q{ - 3.times{ - class C - break - end - } - } - ae_flow %q{ - 3.times{ - class A - class B - break - end - end - } - } - ae_flow %q{ - 3.times{ - class C - next - end - } - } - ae_flow %q{ - 3.times{ - class C - class D - next - end - end - } - } - ae_flow %q{ - while true - class C - break - end - end - } - ae_flow %q{ - while true - class C - class D - break - end - end - end - } - ae_flow %q{ - i=0 - while i<3 - i+=1 - class C - next 10 - end - end - } - ae %q{ - 1.times{ - while true - class C - begin - break - ensure - break - end - end - end - } - } - end - - def test_flow_with_cont_sp - ae %q{ - def m a, b - a + b - end - m(1, - while true - break 2 - end - ) - } - ae %q{ - def m a, b - a + b - end - m(1, - (i=0; while i<2 - i+=1 - class C - next 2 - end - end; 3) - ) - } - ae %q{ - def m a, b - a+b - end - m(1, 1.times{break 3}) + - m(10, (1.times{next 3}; 20)) - } - end - - def test_return_in_deep_stack - ae_flow %q{ - def m1 *args - - end - def m2 - m1(:a, :b, (return 1; :c)) - end - m2 - } - end - - def test_return_in_ensure - ae_flow %q{ - def m() - begin - 2 - ensure - return 3 - end - end - m - } - ae_flow %q{ - def m2 - end - def m() - m2(begin - 2 - ensure - return 3 - end) - 4 - end - m() - } - ae_flow %q{ - def m - 1 - 1.times{ - 2 - begin - 3 - return - 4 - ensure - 5 - end - 6 - } - 7 - end - m() - } - end -end - |