From fc728cccb8a91e280e4c9b572cf54d8b59dfb341 Mon Sep 17 00:00:00 2001
From: John Kerl <kerl.john.r@gmail.com>
Date: Tue, 12 Apr 2016 09:08:58 -0400
Subject: [PATCH] UT absent-valued filter/cond

---
 c/reg_test/expected/out | 16 ++++++++++++++++
 c/reg_test/run          | 10 ++++++++++
 c/todo.txt              | 18 +-----------------
 3 files changed, 27 insertions(+), 17 deletions(-)

diff --git a/c/reg_test/expected/out b/c/reg_test/expected/out
index 1c6eb2e95..56f508137 100644
--- a/c/reg_test/expected/out
+++ b/c/reg_test/expected/out
@@ -9436,6 +9436,22 @@ b 5 - - false
 b - 6 - false
 b - - - false
 
+mlr put filter @nonesuch ./reg_test/input/abixy
+
+mlr put filter @nonesuch==true ./reg_test/input/abixy
+
+mlr put filter $nonesuch==true ./reg_test/input/abixy
+
+mlr put filter $nonesuch ./reg_test/input/abixy
+
+mlr put -q @v=1; @nonesuch       {emit @v} ./reg_test/input/abixy
+
+mlr put -q @v=1; @nonesuch==true {emit @v} ./reg_test/input/abixy
+
+mlr put -q @v=1; $nonesuch       {emit @v} ./reg_test/input/abixy
+
+mlr put -q @v=1; $nonesuch==true {emit @v} ./reg_test/input/abixy
+
 
 ================================================================
 DSL TYPE-INFERENCE
diff --git a/c/reg_test/run b/c/reg_test/run
index b00bb1ec8..eaac7acbf 100755
--- a/c/reg_test/run
+++ b/c/reg_test/run
@@ -907,6 +907,16 @@ run_mlr --opprint put '$f=isnotnull($y)'      $indir/nullvals.dkvp
 run_mlr --opprint put '$f=isnotnull($z)'      $indir/nullvals.dkvp
 run_mlr --opprint put '$f=isnotnull($nosuch)' $indir/nullvals.dkvp
 
+run_mlr put 'filter @nonesuch'       $indir/abixy
+run_mlr put 'filter @nonesuch==true' $indir/abixy
+run_mlr put 'filter $nonesuch==true' $indir/abixy
+run_mlr put 'filter $nonesuch'       $indir/abixy
+
+run_mlr put -q '@v=1; @nonesuch       {emit @v}' $indir/abixy
+run_mlr put -q '@v=1; @nonesuch==true {emit @v}' $indir/abixy
+run_mlr put -q '@v=1; $nonesuch       {emit @v}' $indir/abixy
+run_mlr put -q '@v=1; $nonesuch==true {emit @v}' $indir/abixy
+
 # ----------------------------------------------------------------
 announce DSL TYPE-INFERENCE
 
diff --git a/c/todo.txt b/c/todo.txt
index c30b6c773..d8ca34b7a 100644
--- a/c/todo.txt
+++ b/c/todo.txt
@@ -8,8 +8,7 @@ BUGFIXES
 ================================================================
 TOP-OF-LIST SUMMARY
 
-! entirely rework null-data section @ mld
-! manify?/mldify! mlr --print-type-arithmetic-info
+! entirely rework null-data section @ mld; manify?/mldify! mlr --print-type-arithmetic-info
 ! valgrinds
 * UT behavior for null-valued filter / cond-block (see below)
 ! do absent-identity for logical, bitwise, and exp? UTs for all regardless of what changes/doesn't.
@@ -53,21 +52,6 @@ TOP-OF-LIST SUMMARY
   - double-backslashing bug in sub/gsub
   - --from, & why: up-arrow & append then-chain
 
-================================================================
-UT:
-
-* define/test behavior for null-valued filter / cond-block
-
-  mlr put 'filter @nonesuch' ../data/small
-  mlr put 'filter @nonesuch==true' ../data/small
-  mlr put 'filter $nonesuch==true' ../data/small
-  mlr put 'filter $nonesuch' ../data/small
-
-  mlr put -q '@v=1; @nonesuch { emit @v}' ../data/small
-  mlr put -q '@v=1; @nonesuch==true { emit @v}' ../data/small
-  mlr put -q '@v=1; $nonesuch { emit @v}' ../data/small
-  mlr put -q '@v=1; $nonesuch==true { emit @v}' ../data/small
-
 ================================================================
 OOSVAR EXPERIMENTS: