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Kitware
GitHub Repository: Kitware/CMake
 Path: blob/master/Tests/ArgumentExpansion/CMakeLists.txt
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cmake_minimum_required(VERSION 3.10)

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project(ArgumentExpansion)

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function (argument_tester expected expected_len)

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    list(LENGTH ARGN argn_len)

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    list(LENGTH ${expected} expected_received_len)

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    if (NOT ${expected_received_len} EQUAL ${expected_len})

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        message(STATUS "Unexpected: Expanding expected values isn't working")

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    endif ()

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    if (${argn_len} EQUAL ${expected_len})

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        set(i 0)

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        while (i LESS ${argn_len})

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            list(GET ARGN ${i} argn_value)

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            list(GET ${expected} ${i} expected_value)

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            if (NOT "${argn_value}" STREQUAL "${expected_value}")

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                message(STATUS "Unexpected: Argument ${i} doesn't match")

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                message(STATUS "    Expected: ${expected_value}")

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                message(STATUS "    Received: ${argn_value}")

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            endif ()

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            math(EXPR i "${i} + 1")

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        endwhile ()

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    else ()

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        message(STATUS "Unexpected: Lengths of arguments don't match")

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        message(STATUS "    Expected: ${expected_len}")

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        message(STATUS "    Received: ${argn_len}")

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    endif ()

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endfunction ()

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set(empty_test)

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message(STATUS "Test: Empty arguments")

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argument_tester(empty_test 0 ${empty_test})

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set(single_arg_test

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    "single arg")

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message(STATUS "Test: Single argument")

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argument_tester(single_arg_test 1 ${single_arg_test})

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set(multiple_arg_test

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    "first arg"

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    "second arg")

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message(STATUS "Test: Multiple arguments")

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argument_tester(multiple_arg_test 2 ${multiple_arg_test})

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set(nested_list_arg_test

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    "${multiple_arg_test}"

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    "first arg"

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    "second arg")

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message(STATUS "Test: Nested list argument flattens")

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argument_tester(nested_list_arg_test 4 ${nested_list_arg_test})

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set(semicolon_arg_test

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    "pre\;post")

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set(semicolon_arg_test_flat "pre;post")

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message(STATUS "Test: Semicolon argument flattens")

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argument_tester(semicolon_arg_test_flat 2 ${semicolon_arg_test})

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