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Add test for large property string failure

This commit is contained in:
Abdelhakim Qbaich 2026-04-04 16:39:50 -04:00
parent 367b3c8c58
commit 4962b6b831
1 changed files with 39 additions and 0 deletions
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39
src/plugins/streamers/oasis/unit_tests/dbOASISReaderTests.cc
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@ -23,6 +23,7 @@
#include "dbOASISReader.h"
#include "dbOASISWriter.h"
#include "dbLayoutDiff.h"
#include "dbTextWriter.h"
#include "dbTestSupport.h"
#include "tlLog.h"
@ -696,3 +697,41 @@ TEST(BlendCrash)
std::string fn_au (tl::testdata () + "/oasis/blend_crash_au.gds.gz");
db::compare_layouts (_this, layout, fn_au, db::WriteGDS2, 1);
}
TEST(CBlockLargePropertyString)
{
db::Manager m (false);
db::Layout layout_org (&m);
unsigned int layer = layout_org.insert_layer (db::LayerProperties (1, 0));
db::Cell &top = layout_org.cell (layout_org.add_cell ("TOP"));
std::string large_value (42000, 'a');
db::PropertiesSet ps;
ps.insert (db::property_names_id (tl::Variant ("blob")), tl::Variant (large_value));
top.shapes (layer).insert (db::BoxWithProperties (db::Box (0, 0, 100, 100), db::properties_id (ps)));
std::string tmp_file = tl::TestBase::tmp_file ("tmp_OASISReaderLargeString.oas");
{
tl::OutputStream out (tmp_file);
db::SaveLayoutOptions options;
db::OASISWriterOptions &oasis_options = options.get_options<db::OASISWriterOptions> ();
oasis_options.write_cblocks = true;
oasis_options.strict_mode = false;
db::OASISWriter writer;
writer.write (layout_org, out, options);
}
db::Layout layout_read;
{
tl::InputStream in (tmp_file);
db::OASISReader reader (in);
reader.read (layout_read);
}
EXPECT_EQ (db::compare_layouts (layout_org, layout_read, db::layout_diff::f_verbose, 0), true);
}