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[consider merging] avoid a crash during certain queries

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This query used to crash:
"instances of cell .*.* where inst.trans.rot == 2"
on a layout with 1 hierarchy level and some cells with rot 180 degree
This commit is contained in:
Matthias Koefferlein
2025-03-02 19:06:45 +01:00
parent 3185a7aeb2
commit 01cc54ba49
2 changed files with 26 additions and 5 deletions
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src/db/unit_tests/dbLayoutQueryTests.cc
+17
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@@ -1578,3 +1578,20 @@ TEST(64)
EXPECT_EQ (s, "0.01,-0.02,-0.01,0.02,-0.01,0.02,-0.01,0.02,0.01,-0.02,-0.01,0.02");
}
}
TEST(65)
{
db::Layout g;
init_layout (g);
{
db::LayoutQuery q ("instances of cell .*.* where inst.trans.rot == 0");
db::LayoutQueryIterator iq (q, &g);
std::string s = q2s_var (iq, "data");
EXPECT_EQ (s, "nil,nil");
s = q2s_var (iq, "cell_name");
EXPECT_EQ (s, "c1,c5x");
s = q2s_var (iq, "inst_elements");
EXPECT_EQ (s, "(cell_index=0 r0 *1 10,-20),(cell_index=4 r0 *1 10,-20)");
}
}