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Add test cases for the IS and IS NOT operator.

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FossilOrigin-Name: 101ed58cf4a1dfe53031b98cfc7ed01e86b4c7b6
This commit is contained in:
drh
2009-09-23 13:39:56 +00:00
parent a8f0bf643e
commit 6f94702f20
3 changed files with 43 additions and 8 deletions
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25
test/expr.test
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@ -165,6 +165,31 @@ if {[working_64bit_int]} {
test_expr expr-1.110 {i1=0} {-9223372036854775807/-1} 9223372036854775807
}
test_expr expr-1.111 {i1=NULL, i2=8} {i1 IS i2} 0
test_expr expr-1.112 {i1=NULL, i2=NULL} {i1 IS i2} 1
test_expr expr-1.113 {i1=6, i2=NULL} {i1 IS i2} 0
test_expr expr-1.114 {i1=6, i2=6} {i1 IS i2} 1
test_expr expr-1.115 {i1=NULL, i2=8} \
{CASE WHEN i1 IS i2 THEN 'yes' ELSE 'no' END} no
test_expr expr-1.116 {i1=NULL, i2=NULL} \
{CASE WHEN i1 IS i2 THEN 'yes' ELSE 'no' END} yes
test_expr expr-1.117 {i1=6, i2=NULL} \
{CASE WHEN i1 IS i2 THEN 'yes' ELSE 'no' END} no
test_expr expr-1.118 {i1=8, i2=8} \
{CASE WHEN i1 IS i2 THEN 'yes' ELSE 'no' END} yes
test_expr expr-1.119 {i1=NULL, i2=8} {i1 IS NOT i2} 1
test_expr expr-1.120 {i1=NULL, i2=NULL} {i1 IS NOT i2} 0
test_expr expr-1.121 {i1=6, i2=NULL} {i1 IS NOT i2} 1
test_expr expr-1.122 {i1=6, i2=6} {i1 IS NOT i2} 0
test_expr expr-1.123 {i1=NULL, i2=8} \
{CASE WHEN i1 IS NOT i2 THEN 'yes' ELSE 'no' END} yes
test_expr expr-1.124 {i1=NULL, i2=NULL} \
{CASE WHEN i1 IS NOT i2 THEN 'yes' ELSE 'no' END} no
test_expr expr-1.125 {i1=6, i2=NULL} \
{CASE WHEN i1 IS NOT i2 THEN 'yes' ELSE 'no' END} yes
test_expr expr-1.126 {i1=8, i2=8} \
{CASE WHEN i1 IS NOT i2 THEN 'yes' ELSE 'no' END} no
ifcapable floatingpoint {
test_expr expr-2.1 {r1=1.23, r2=2.34} {r1+r2} 3.57
test_expr expr-2.2 {r1=1.23, r2=2.34} {r1-r2} -1.11