commit 73ade49c4b692e77d2c0b2ef0afbedbf55c5f946
author Bram Moolenaar <Bram@vim.org> Tue Dec 27 20:54:41 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Tue Dec 27 20:54:41 2022 +0000
tree 1b71849aa638b9678d9a501494d8d82c6a68f4d1
parent 09ce0b8e1197c85dacf97e75b9b9ac18e0d192df

patch 9.0.1107: float constant not recognized as float

Problem:    Float constant not recognized as float.
Solution:   Check the vartype instead of comparing with t_float.
            (closes #11754)

src/testdir/test_vim9_expr.vim

diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index faaa915..2c67103 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -2045,6 +2045,13 @@
       assert_equal(6, 0x6)
       assert_equal(15, 0xf)
       assert_equal(255, 0xff)
+
+      const INFTY = 1.0 / 0.0
+      def Test()
+        assert_equal(1, isinf(INFTY))
+        assert_equal(-1, isinf(-INFTY))
+      enddef
+      Test()
   END
   v9.CheckDefAndScriptSuccess(lines)
 enddef