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patch 8.1.0731: JS encoding does not handle negative infinity

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Problem:    JS encoding does not handle negative infinity.
Solution:   Add support for negative infinity for JS encoding. (Dominique
            Pelle, closes #3792)
This commit is contained in:
Bram Moolenaar
2019-01-12 14:24:27 +01:00
parent ec9d3001cf
commit 5f6b379ff3
4 changed files with 35 additions and 9 deletions
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15
src/testdir/test_json.vim
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@@ -29,8 +29,10 @@ let s:varnr = 1234
if has('float')
let s:jsonfl = '12.34'
let s:varfl = 12.34
let s:jsoninf = 'Infinity'
let s:varinf = 1.0 / 0.0
let s:jsonneginf = '-Infinity'
let s:jsonposinf = 'Infinity'
let s:varneginf = -1.0 / 0.0
let s:varposinf = 1.0 / 0.0
let s:jsonnan = 'NaN'
let s:varnan = 0.0 / 0.0
endif
@@ -85,7 +87,8 @@ func Test_json_encode()
call assert_equal(s:jsonnr, json_encode(s:varnr))
if has('float')
call assert_equal(s:jsonfl, json_encode(s:varfl))
call assert_equal(s:jsoninf, json_encode(s:varinf))
call assert_equal(s:jsonneginf, json_encode(s:varneginf))
call assert_equal(s:jsonposinf, json_encode(s:varposinf))
call assert_equal(s:jsonnan, json_encode(s:varnan))
endif
@@ -202,7 +205,8 @@ func Test_js_encode()
call assert_equal(s:jsonnr, js_encode(s:varnr))
if has('float')
call assert_equal(s:jsonfl, js_encode(s:varfl))
call assert_equal(s:jsoninf, js_encode(s:varinf))
call assert_equal(s:jsonneginf, js_encode(s:varneginf))
call assert_equal(s:jsonposinf, js_encode(s:varposinf))
call assert_equal(s:jsonnan, js_encode(s:varnan))
endif
@@ -242,7 +246,8 @@ func Test_js_decode()
call assert_equal(s:varnr, js_decode(s:jsonnr))
if has('float')
call assert_equal(s:varfl, js_decode(s:jsonfl))
call assert_equal(s:varinf, js_decode(s:jsoninf))
call assert_equal(s:varneginf, js_decode(s:jsonneginf))
call assert_equal(s:varposinf, js_decode(s:jsonposinf))
call assert_true(isnan(js_decode(s:jsonnan)))
endif