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Diffstat (limited to 'test/ieee754.test')
| -rw-r--r-- | test/ieee754.test | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/test/ieee754.test b/test/ieee754.test new file mode 100644 index 0000000..bd806d2 --- /dev/null +++ b/test/ieee754.test @@ -0,0 +1,60 @@ +# 2015-11-06 +# +# The author disclaims copyright to this source code. In place of +# a legal notice, here is a blessing: +# +# May you do good and not evil. +# May you find forgiveness for yourself and forgive others. +# May you share freely, never taking more than you give. +# +#*********************************************************************** +# +# Tests of the iee754 extension +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +load_static_extension db ieee754 + +foreach {id float rep} { + 1 1.0 1,0 + 2 2.0 2,0 + 3 0.5 1,-1 + 4 1.5 3,-1 + 5 0.0 0,-1075 + 6 4.9406564584124654e-324 1,-1074 + 7 2.2250738585072009e-308 4503599627370495,-1074 + 8 2.2250738585072014e-308 1,-1022 +} { + do_test ieee754-100-$id-1 { + db eval "SELECT ieee754($float);" + } "ieee754($rep)" + do_test ieee754-100-$id-2 { + db eval "SELECT ieee754($rep)==$float;" + } {1} + if {$float!=0.0} { + do_test ieee754-100-$id-3 { + db eval "SELECT ieee754(-$float);" + } "ieee754(-$rep)" + do_test ieee754-100-$id-4 { + db eval "SELECT ieee754(-$rep)==-$float;" + } {1} + } +} + +do_test ieee754-110 { + string tolower [ + db eval {SELECT ieee754(1,1024), ieee754(4503599627370495,972);} + ] +} {inf 1.79769313486232e+308} +do_test ieee754-111 { + string tolower [ + db eval {SELECT ieee754(-1,1024), ieee754(-4503599627370495,972);} + ] +} {-inf -1.79769313486232e+308} +do_execsql_test ieee754-112 { + SELECT ieee754(4503599627370495,973) is null; +} {1} + +finish_test |