File size: 2,152 Bytes
f61bac1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | // SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2019-2025, The OpenROAD Authors
#include "gtest/gtest.h"
#include "odb/db.h"
#include "rcx/extRCap.h"
#include "utl/Logger.h"
namespace rcx {
TEST(TestExtractor, InitSearchWithSingleDirectionTrackGrid)
{
utl::Logger logger;
odb::dbDatabase* db = odb::dbDatabase::create();
db->setLogger(&logger);
odb::dbTech* tech = odb::dbTech::create(db, "tech");
odb::dbTechLayer* met1
= odb::dbTechLayer::create(tech, "met1", odb::dbTechLayerType::ROUTING);
met1->setWidth(100);
met1->setPitch(200);
odb::dbTechLayer* met2
= odb::dbTechLayer::create(tech, "met2", odb::dbTechLayerType::ROUTING);
met2->setWidth(100);
met2->setPitch(200);
odb::dbChip* chip = odb::dbChip::create(db, tech, "chip");
odb::dbBlock* block = odb::dbBlock::create(chip, "block");
block->setDieArea(odb::Rect(1000, 2000, 11000, 12000));
// met1 has tracks only in Y; met2 has tracks only in X.
odb::dbTrackGrid* met1_grid = odb::dbTrackGrid::create(block, met1);
met1_grid->addGridPatternY(2500, 10, 200);
odb::dbTrackGrid* met2_grid = odb::dbTrackGrid::create(block, met2);
met2_grid->addGridPatternX(1700, 10, 200);
extMain extractor;
extractor.init(db, &logger);
extractor.setBlockFromChip(chip);
constexpr int kTableSize = 8;
int x_origins[kTableSize] = {};
int y_origins[kTableSize] = {};
uint32_t pitch_table[kTableSize] = {};
uint32_t width_table[kTableSize] = {};
uint32_t dir_table[kTableSize] = {};
odb::Rect ext_rect(0, 0, 0, 0);
extractor.initSearchForNets(x_origins,
y_origins,
pitch_table,
width_table,
dir_table,
ext_rect,
false);
// A direction without tracks falls back to the die origin; a direction
// with tracks anchors at the first track minus half the layer width.
EXPECT_EQ(x_origins[1], 1000);
EXPECT_EQ(y_origins[1], 2500 - 100 / 2);
EXPECT_EQ(x_origins[2], 1700 - 100 / 2);
EXPECT_EQ(y_origins[2], 2000);
}
} // namespace rcx
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