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implemented intelligent slice functionality #414

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Merged
merged 19 commits into from
Jun 12, 2021
Merged

implemented intelligent slice functionality #414

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90eb9aa
implemented slice function for stdlib_ascii
aman-godara May 23, 2021
e235bc4
added module dependencies of stdlib_math for function slice in Makefi…
aman-godara May 23, 2021
0742ca0
changed names from start to first and end to last
aman-godara May 24, 2021
1a5f78c
forgot to change the dummy argument start to first
aman-godara May 24, 2021
15827d2
shifted slice from stdlib_ascii to stdlib_strings and modified module…
aman-godara May 24, 2021
c7c1e48
removed include_last functionality
aman-godara May 25, 2021
ac607f1
added tests for slice function (with no include_last functionality)
aman-godara May 25, 2021
9d72c69
made complete use of slice interface: added test cases for character …
aman-godara May 25, 2021
a733bc3
documented function slice, corrected documentation of to_title and to…
aman-godara May 26, 2021
fa88905
improved function slice for invalid cases, added new invalid test cases
aman-godara May 27, 2021
42a905d
improved the implementation of last commit fa88905
aman-godara May 28, 2021
ffcb7e4
removed redundant outer loop, improved documentation of slice function
aman-godara May 29, 2021
4598eec
removed dependency of clip function by stdlib_strings.f90
aman-godara May 29, 2021
24d417f
improved documentation and comments for function slice
aman-godara Jun 7, 2021
323bcd9
Add general tester against intrinsic array slice
awvwgk Jun 10, 2021
a895085
Merge pull request #3 from awvwgk/slice
aman-godara Jun 10, 2021
d60dad3
added -inf and +inf concept to make code more intuitive, added descri…
aman-godara Jun 11, 2021
048b638
added the concept of +inf and -inf in documentation
aman-godara Jun 11, 2021
d38e0f4
added fail messages to unit tests
aman-godara Jun 11, 2021
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added tests for slice function (with no include_last functionality)
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@aman-godara
aman-godara committed May 25, 2021
commit ac607f1c1f551486ad657c2631e4484244fb375c
37 changes: 37 additions & 0 deletions src/tests/string/test_string_functions.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ module test_string_functions
use stdlib_error, only : check
use stdlib_string_type, only : string_type, assignment(=), operator(==), &
to_lower, to_upper, to_title, to_sentence, reverse
use stdlib_strings, only: slice
implicit none

contains
Expand Down Expand Up @@ -52,6 +53,41 @@ subroutine test_reverse_string

end subroutine test_reverse_string

subroutine test_slice_string
type(string_type) :: test_string
test_string = "abcdefghijklmnopqrstuvwxyz"

call check(slice(test_string, 2, 16, 3) == "behkn", &
'function slice failed', warn=.false.)
call check(slice(test_string, 15, stride=-1) == "onmlkjihgfedcba", &
'function slice failed', warn=.false.)
call check(slice(test_string, last=22, stride=-1) == "zyxwv", &
'function slice failed', warn=.false.)
call check(slice(test_string, 7, 2) == "gfedcb", &
'function slice failed', warn=.false.)
call check(slice(test_string, 7, 2, 1) == "", &
'function slice failed', warn=.false.)
call check(slice(test_string, 2, 6, -1) == "", &
'function slice failed', warn=.false.)
call check(slice(test_string, stride=-1) == "zyxwvutsrqponmlkjihgfedcba", &
'function slice failed', warn=.false.)
call check(slice(test_string, 7, 7, -4) == "g", &
'function slice failed', warn=.false.)
call check(slice(test_string, 7, 7, 3) == "g", &
'function slice failed', warn=.false.)
call check(slice(test_string, 7, 7, 3) == "g", &
'function slice failed', warn=.false.)
call check(slice(test_string, 7, -10) == "gfedcba", &
'function slice failed', warn=.false.)
call check(slice(test_string, 500, 22) == "zyxwv", &
'function slice failed', warn=.false.)

test_string = ""
call check(slice(test_string, 2, 16, 3) == "", &
'function slice failed', warn=.false.)

end subroutine test_slice_string

end module test_string_functions


Expand All @@ -64,5 +100,6 @@ program tester
call test_to_title_string
call test_to_sentence_string
call test_reverse_string
call test_slice_string

end program tester