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| author | Bram Moolenaar <Bram@vim.org> | 2019-11-25 15:40:55 +0100 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2019-11-25 15:40:55 +0100 |
| commit | 06b0b4bc27077013e9b4b48fd1d9b33e543ccf99 (patch) | |
| tree | 91ae8240070decf4e90b64d3bd0dd1d2a75433ae /src/testdir | |
| parent | 67a2deb9cb4ac2224cb1e4d240a5d0659f036264 (diff) | |
patch 8.1.2342: random number generator in Vim script is slowv8.1.2342
Problem: Random number generator in Vim script is slow.
Solution: Add rand() and srand(). (Yasuhiro Matsumoto, closes #1277)
Diffstat (limited to 'src/testdir')
| -rw-r--r-- | src/testdir/Make_all.mak | 2 | ||||
| -rw-r--r-- | src/testdir/test_random.vim | 28 |
2 files changed, 30 insertions, 0 deletions
diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak index ac254202a8..f6d6c17176 100644 --- a/src/testdir/Make_all.mak +++ b/src/testdir/Make_all.mak @@ -211,6 +211,7 @@ NEW_TESTS = \ test_pyx3 \ test_quickfix \ test_quotestar \ + test_random \ test_recover \ test_regex_char_classes \ test_regexp_latin \ @@ -403,6 +404,7 @@ NEW_TESTS_RES = \ test_pyx3.res \ test_quickfix.res \ test_quotestar.res \ + test_random.res \ test_regex_char_classes.res \ test_registers.res \ test_restricted.res \ diff --git a/src/testdir/test_random.vim b/src/testdir/test_random.vim new file mode 100644 index 0000000000..381475a43f --- /dev/null +++ b/src/testdir/test_random.vim @@ -0,0 +1,28 @@ +" Tests for srand() and rand() + +func Test_Rand() + let r = srand(123456789) + call assert_equal([123456789, 362436069, 521288629, 88675123], r) + call assert_equal(3701687786, rand(r)) + call assert_equal(458299110, rand(r)) + call assert_equal(2500872618, rand(r)) + call assert_equal(3633119408, rand(r)) + call assert_equal(516391518, rand(r)) + + call test_settime(12341234) + let s = srand() + call assert_equal(s, srand()) + call test_settime(12341235) + call assert_notequal(s, srand()) + + call srand() + let v = rand() + call assert_notequal(v, rand()) + + call assert_fails('echo srand([1])', 'E745:') + call assert_fails('echo rand([1, 2, 3])', 'E475:') + call assert_fails('echo rand([[1], 2, 3, 4])', 'E475:') + call assert_fails('echo rand([1, [2], 3, 4])', 'E475:') + call assert_fails('echo rand([1, 2, [3], 4])', 'E475:') + call assert_fails('echo rand([1, 2, 3, [4]])', 'E475:') +endfunc |