JSON/jf_test_8 [ Unittest ]
NAME
jf_test_8
DESCRIPTION
Eighth unit test
USES
json_module iso_fortran_env (intrinsic)
HISTORY
Izaak Beekman : 2/18/2015 : Created (refactoried original json_example.f90 file)
LICENSE
JSON-FORTRAN: A Fortran 2008 JSON API
https://github.com/jacobwilliams/json-fortran
Copyright (c) 2014, Jacob Williams
All rights reserved.
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SOURCE
51 module jf_test_8_mod 52 53 use json_module 54 use, intrinsic :: iso_fortran_env , only: error_unit, output_unit, wp => real64 55 56 implicit none 57 58 character(len=*),parameter :: dir = '../files/' !working directory 59 60 contains 61 62 subroutine test_8(error_cnt) 63 64 ! read a JSON structure from a string 65 66 implicit none 67 68 integer,intent(out) :: error_cnt 69 70 type(json_value),pointer :: p 71 72 character(len=*),parameter :: newline = achar(10) 73 74 character(len=*),parameter :: str = '{ "label": "foo",'//newline//' "value": "bar" }' 75 76 character(len=*),parameter :: str2 = '{ "label": "foo",'//newline//& 77 ' "value": "bar",'//newline//& 78 ' "empty_array": [],'//newline//& 79 ' "empty_object": {}' //newline//& 80 '}' 81 82 character(len=*),parameter :: str_invalid = '{ "label": "foo",'//newline//' "value : "bar" }' 83 84 error_cnt = 0 85 call json_initialize() 86 if (json_failed()) then 87 call json_print_error_message(error_unit) 88 error_cnt = error_cnt + 1 89 end if 90 91 write(error_unit,'(A)') '' 92 write(error_unit,'(A)') '=================================' 93 write(error_unit,'(A)') ' EXAMPLE 8 : read JSON from string' 94 write(error_unit,'(A)') '=================================' 95 write(error_unit,'(A)') '' 96 97 write(error_unit,'(A)') '**************' 98 write(error_unit,'(A)') ' Valid test 1:' 99 write(error_unit,'(A)') '**************' 100 write(error_unit,'(A)') '' 101 call json_parse(str=str, p=p) ! read it from str 102 if (json_failed()) then 103 call json_print_error_message(error_unit) 104 error_cnt = error_cnt + 1 105 end if 106 call json_print(p,OUTPUT_UNIT) ! print to console 107 if (json_failed()) then 108 call json_print_error_message(error_unit) 109 error_cnt = error_cnt + 1 110 end if 111 call json_destroy(p) ! cleanup 112 if (json_failed()) then 113 call json_print_error_message(error_unit) 114 error_cnt = error_cnt + 1 115 end if 116 write(error_unit,'(A)') '' 117 118 write(error_unit,'(A)') '**************' 119 write(error_unit,'(A)') ' Valid test 2:' 120 write(error_unit,'(A)') '**************' 121 write(error_unit,'(A)') '' 122 call json_parse(str=str2, p=p) ! read it from str 123 if (json_failed()) then 124 call json_print_error_message(error_unit) 125 error_cnt = error_cnt + 1 126 end if 127 call json_print(p,OUTPUT_UNIT) ! print to console 128 if (json_failed()) then 129 call json_print_error_message(error_unit) 130 error_cnt = error_cnt + 1 131 end if 132 call json_destroy(p) ! cleanup 133 if (json_failed()) then 134 call json_print_error_message(error_unit) 135 error_cnt = error_cnt + 1 136 end if 137 write(error_unit,'(A)') '' 138 139 write(error_unit,'(A)') '**************' 140 write(error_unit,'(A)') ' Invalid test:' 141 write(error_unit,'(A)') '**************' 142 write(error_unit,'(A)') '' 143 call json_parse(str=str_invalid, p=p) ! read it from str 144 if (json_failed()) then 145 call json_print_error_message(error_unit) 146 else 147 write(error_unit,'(A)') 'This should have failed!' 148 error_cnt = error_cnt + 1 149 end if 150 call json_print(p,OUTPUT_UNIT) ! print to console 151 if (json_failed()) then 152 call json_print_error_message(error_unit) 153 error_cnt = error_cnt + 1 154 end if 155 call json_destroy(p) ! cleanup 156 if (json_failed()) then 157 call json_print_error_message(error_unit) 158 error_cnt = error_cnt + 1 159 end if 160 write(error_unit,'(A)') '' 161 162 end subroutine test_8 163 164 end module jf_test_8_mod 165 166 program jf_test_8 167 use jf_test_8_mod , only: test_8 168 implicit none 169 integer :: n_errors 170 n_errors = 0 171 call test_8(n_errors) 172 if (n_errors /= 0) stop 1 173 end program jf_test_8