From a385e6d1cd93ff4e645e42d866676f1de3458c64 Mon Sep 17 00:00:00 2001
From: nbv <nbv@opencascade.com>
Date: Wed, 7 Nov 2018 14:19:10 +0300
Subject: [PATCH] 0026889: Very poor mesh result from shape

Adding test case for the problem.
The issue has been fixed by a patch for #26106.
---
 tests/perf/mesh/bug26889_1                    | 29 +++++++++++++++++++
 .../mesh/bug26889 => perf/mesh/bug26889_2}    | 19 +++++++-----
 tests/perf/mesh/bug26889_3                    | 29 +++++++++++++++++++
 3 files changed, 69 insertions(+), 8 deletions(-)
 create mode 100644 tests/perf/mesh/bug26889_1
 rename tests/{bugs/mesh/bug26889 => perf/mesh/bug26889_2} (52%)
 create mode 100644 tests/perf/mesh/bug26889_3

diff --git a/tests/perf/mesh/bug26889_1 b/tests/perf/mesh/bug26889_1
new file mode 100644
index 0000000000..4413cc1d50
--- /dev/null
+++ b/tests/perf/mesh/bug26889_1
@@ -0,0 +1,29 @@
+puts "========="
+puts "0026889: Very poor mesh result from shape"
+puts "========="
+puts ""
+
+pload XDE
+
+stepread [locate_data_file bug26889_export.step] a *
+
+dchrono t restart
+incmesh a_1 0.01 1
+dchrono t stop counter incmesh
+
+checktrinfo a_1 -tri 743149 -nod 372395 -defl 0.081028355715069861
+
+set log [tricheck a_1]
+if { [llength $log] != 0 } {
+  puts "Error : Invalid mesh"
+} else {
+  puts "Mesh is OK"
+}
+
+
+vinit
+vdefaults -autoTriang 0
+vsetdispmode 1
+vdisplay a_1
+vfit
+checkview -screenshot -3d -path ${imagedir}/${test_image}.png
diff --git a/tests/bugs/mesh/bug26889 b/tests/perf/mesh/bug26889_2
similarity index 52%
rename from tests/bugs/mesh/bug26889
rename to tests/perf/mesh/bug26889_2
index d033335f42..658c263eda 100644
--- a/tests/bugs/mesh/bug26889
+++ b/tests/perf/mesh/bug26889_2
@@ -1,25 +1,28 @@
 puts "========="
-puts "CR26889"
+puts "0026889: Very poor mesh result from shape"
 puts "========="
 puts ""
-###############################################
-# Very poor mesh result from shape
-###############################################
 
 pload XDE
 
 stepread [locate_data_file bug26889_export.step] a *
 
-dlog reset
-dlog on
-
 dchrono t restart
 incmesh a_1 0.1 1
 dchrono t stop counter incmesh
 
-checktrinfo a_1 -tri -nod
+checktrinfo a_1 -tri 182273 -nod 91484 -defl 0.11671770612283024
+
+set log [tricheck a_1]
+if { [llength $log] != 0 } {
+  puts "Error : Invalid mesh"
+} else {
+  puts "Mesh is OK"
+}
+
 
 vinit
+vdefaults -autoTriang 0
 vsetdispmode 1
 vdisplay a_1
 vfit
diff --git a/tests/perf/mesh/bug26889_3 b/tests/perf/mesh/bug26889_3
new file mode 100644
index 0000000000..7810bcc210
--- /dev/null
+++ b/tests/perf/mesh/bug26889_3
@@ -0,0 +1,29 @@
+puts "========="
+puts "0026889: Very poor mesh result from shape"
+puts "========="
+puts ""
+
+pload XDE
+
+stepread [locate_data_file bug26889_export.step] a *
+
+dchrono t restart
+incmesh a_1 1.0 1
+dchrono t stop counter incmesh
+
+checktrinfo a_1 -tri 73119 -nod 36828 -defl 1.0
+
+set log [tricheck a_1]
+if { [llength $log] != 0 } {
+  puts "Error : Invalid mesh"
+} else {
+  puts "Mesh is OK"
+}
+
+
+vinit
+vdefaults -autoTriang 0
+vsetdispmode 1
+vdisplay a_1
+vfit
+checkview -screenshot -3d -path ${imagedir}/${test_image}.png