expressions: Implement the STRUNC function.

[pspp] / tests / language / expressions / evaluate.at

diff --git a/tests/language/expressions/evaluate.at b/tests/language/expressions/evaluate.at
index 41104dd70b422d8287da58c604647a10d21ca340..ae7c89a5bb5335a1b519748ce8547ea71345dde8 100644 (file)
--- a/tests/language/expressions/evaluate.at
+++ b/tests/language/expressions/evaluate.at
@@ -633,7 +633,7 @@ MIN(string[, string]...).]],
   [[min("1", "2")], ["1"]],
   [[min("1")], ["1"]])
 
-CHECK_EXPR_EVAL([cfvar mean sd sum variance],
+CHECK_EXPR_EVAL([cfvar mean median sd sum variance],
   [[cfvar(1, 2, 3, 4, 5)], [0.53]],
   [[cfvar(1, $sysmis, 2, 3, $sysmis, 4, 5)], [0.53]],
   [[cfvar(1, 2)], [0.47]],
@@ -661,6 +661,25 @@ CHECK_EXPR_EVAL([cfvar mean sd sum variance],
   [[mean.4(1, 2, 3)], [error],
    [error: DEBUG EVALUATE: With MEAN(number[, number]...), using minimum valid argument count of 4 does not make sense when passing only 3 arguments in list.]],
 
+  [[median(1, 2, 3, 4, 5)], [3.00]],
+  [[median(2, 3, 4, 5, 1)], [3.00]],
+  [[median(2, 3, 4, 1, 5)], [3.00]],
+  [[median(2, 1, 4, 5, 3)], [3.00]],
+  [[median(1, 2, 3, 4)], [2.50]],
+  [[median(2, 3, 1, 4)], [2.50]],
+  [[median(2, 3, 4, 1)], [2.50]],
+  [[median(2, 1, 4, 3)], [2.50]],
+  [[median(1, $sysmis, 3, 4, 5)], [3.50]],
+  [[median(2, 3, 4, 5, $sysmis, 1)], [3.00]],
+  [[median($sysmis, $sysmis, $sysmis, 2, 3, 4, 1, 5)], [3.00]],
+  [[median(1, 2, 3)], [2.00]],
+  [[median(1)], [1.00]],
+  [[median(1, 2)], [1.50]],
+  [[median(1, 2, $sysmis)], [1.50]],
+  [[median(1, $sysmis, $sysmis)], [1.00]],
+  [[median($sysmis, $sysmis, $sysmis)], [sysmis]],
+  [[median.3(1, 2, $sysmis)], [sysmis]],
+  [[median.2(1, $sysmis)], [sysmis]],
 
   [[sd(1, 2, 3, 4, 5)], [1.58]],
   [[sd(1, $sysmis, 2, 3, $sysmis, 4, 5)], [1.58]],
@@ -825,7 +844,7 @@ CHECK_EXPR_EVAL([replace],
   [[replace('banana', 'ba', '', -1)], ["banana"]],
   [[replace('banana', 'ba', '', $sysmis)], ["banana"]])
 
-CHECK_EXPR_EVAL([lpad number ltrim lpad rtrim rpad string substr upcase],
+CHECK_EXPR_EVAL([lpad number ltrim lpad rtrim rpad string strunc substr upcase],
   [[lpad('abc', -1)], [""]],
   [[lpad('abc', 0)], ["abc"]],
   [[lpad('abc', 2)], ["abc"]],
@@ -981,6 +1000,29 @@ dnl E has a minimum width of 6 on output:
    [error: DEBUG EVALUATE: Type mismatch invoking STRING(number, num_output_format) as string(number, format).]],
   [[string(123, e6.0)], ["1E+002"]],
 
+  [[strunc('a c   ', 9)], ["a c"]],
+  [[strunc('a c   ', 7)], ["a c"]],
+  [[strunc('a c   ', 6)], ["a c"]],
+  [[strunc('a c   ', 5)], ["a c"]],
+  [[strunc('a c   ', 4)], ["a c"]],
+  [[strunc('a c   ', 3)], ["a c"]],
+  [[strunc('a c   ', 2)], ["a"]],
+  [[strunc('a c   ', 1)], ["a"]],
+  [[strunc('a c   ', 0)], [""]],
+  [[strunc('a c   ', -1)], [""]],
+  [[strunc('a c   ', $sysmis)], [""]],
+  [[strunc('  abc  ', 9)], ["  abc"]],
+  [[strunc('  abc  ', 8)], ["  abc"]],
+  [[strunc('  abc  ', 7)], ["  abc"]],
+  [[strunc('  abc  ', 6)], ["  abc"]],
+  [[strunc('  abc  ', 5)], ["  abc"]],
+  [[strunc('  abc  ', 4)], ["  ab"]],
+  [[strunc('  abc  ', 3)], ["  a"]],
+  [[strunc('  abc  ', 2)], [""]],
+  [[strunc('  abc  ', 1)], [""]],
+  [[strunc('  abc  ', -1)], [""]],
+  [[strunc('  abc  ', $sysmis)], [""]],
+
   [[substr('abcdefgh', -5)], [""]],
   [[substr('abcdefgh', 0)], [""]],
   [[substr('abcdefgh', 1)], ["abcdefgh"]],