project('foreach', 'c') tests = [['test1', 'prog1', 'prog1.c'], ['test2', 'prog2', 'prog2.c', 'fallback'], ['test3', 'prog3', 'prog3.c', 'urgh']] assert(tests[0].get(3, 'fallbck') == 'fallbck', 'array #1 fallback did not match') assert(tests[1].get(3, 'failbk') == 'fallback', 'array #2 value did not match') assert(tests[2].get(3, 'urgh') == 'urgh', 'array #3 value did not match') foreach i : tests test(i.get(0), executable(i.get(1), i.get(2), install : true)) # Ensure that changing the tests variable does not # affect ongoing iteration in the foreach loop. # # Being able to do that would make Meson Turing complete and # we definitely don't want that. tests = ['test4', 'prog4', 'prog4.c'] endforeach items = ['a', 'continue', 'b', 'break', 'c'] result = [] foreach i : items if i == 'continue' continue elif i == 'break' break endif result += i endforeach assert(result == ['a', 'b'], 'Continue or break in foreach failed') items = [] iter = range(2) foreach i : iter items += i endforeach assert(items == [0, 1]) assert(iter[1] == 1) items = [] foreach i : range(1, 2) items += i endforeach assert(items == [1]) items = [] foreach i : range(1, 10, 2) items += i endforeach assert(items == [1, 3, 5, 7, 9])