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add relevant empty string/null equality ref #1859 #3255

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This commit is contained in:
artemp 2016-02-25 11:21:07 +01:00
parent 1a7cf57b9f
commit c044b6d073
1 changed files with 10 additions and 0 deletions
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10
test/unit/core/expressions_test.cpp
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@ -158,6 +158,16 @@ TEST_CASE("expressions")
TRY_CHECK(eval(" [int] > 100 and [int] gt 100.0 and [double] < 2 and [double] lt 2.0 ") == true);
TRY_CHECK(eval(" [int] >= 123 and [int] ge 123.0 and [double] <= 1.23456 and [double] le 1.23456 ") == true);
// empty string/null equality
TRY_CHECK(eval("[null] = null") == true);
TRY_CHECK(eval("[null] != null") == false);
TRY_CHECK(eval("[null] = ''") == false);
///////////////////// ref: https://github.com/mapnik/mapnik/issues/1859
TRY_CHECK(eval("[null] != ''") == false); // back compatible - will be changed in 3.1.x
//////////////////////
TRY_CHECK(eval("'' = [null]") == false);
TRY_CHECK(eval("'' != [null]") == true);
// regex
// replace
TRY_CHECK(eval(" [foo].replace('(\\B)|( )','$1 ') ") == tr.transcode("b a r"));