prjxray/lib/xilinx/tests/spartan6/row_test.cc

115 lines
4.6 KiB
C++

#include <prjxray/xilinx/spartan6/configuration_row.h>
#include <gtest/gtest.h>
using namespace prjxray::xilinx;
TEST(RowTest, IsValidFrameAddress) {
std::vector<spartan6::FrameAddress> addresses;
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 0, 0));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 0, 1));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 1, 0));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 1, 1));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 0));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 1));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 2));
spartan6::Row row(addresses.begin(), addresses.end());
EXPECT_TRUE(row.IsValidFrameAddress(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 0, 0)));
EXPECT_TRUE(row.IsValidFrameAddress(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 1, 0)));
EXPECT_TRUE(row.IsValidFrameAddress(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 2)));
EXPECT_FALSE(row.IsValidFrameAddress(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 0, 2)));
EXPECT_FALSE(row.IsValidFrameAddress(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 2, 0)));
}
TEST(RowTest, GetNextFrameAddressYieldNextAddressInRow) {
std::vector<spartan6::FrameAddress> addresses;
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 0, 0));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 0, 1));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 1, 0));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 1, 1));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 0));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 1));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 2));
spartan6::Row row(addresses.begin(), addresses.end());
auto next_address = row.GetNextFrameAddress(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 0, 0));
ASSERT_TRUE(next_address);
EXPECT_EQ(
*next_address,
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 0, 1));
next_address = row.GetNextFrameAddress(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 0, 1));
ASSERT_TRUE(next_address);
EXPECT_EQ(
*next_address,
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 1, 0));
// Rows have unique behavior for GetNextFrameAddress() at the end of a
// bus. Since the addresses need to be returned in numerically
// increasing order, all of the rows need to be returned before moving
// to a different bus. That means that Row::GetNextFrameAddress() needs
// to return no object at the end of a bus and let the caller use that
// as a signal to try the next row.
next_address = row.GetNextFrameAddress(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 1, 1));
EXPECT_FALSE(next_address);
next_address = row.GetNextFrameAddress(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 1));
ASSERT_TRUE(next_address);
EXPECT_EQ(*next_address, spartan6::FrameAddress(
spartan6::BlockType::BLOCK_RAM, 0, 0, 2));
next_address = row.GetNextFrameAddress(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 2));
EXPECT_FALSE(next_address);
}
TEST(RowTest, GetNextFrameAddressYieldNothingAtEndOfRow) {
std::vector<spartan6::FrameAddress> addresses;
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 0, 0));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 0, 1));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 1, 0));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::CLB_IOI_CLK, 0, 1, 1));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 0));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 1));
addresses.push_back(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 2));
spartan6::Row row(addresses.begin(), addresses.end());
EXPECT_FALSE(row.GetNextFrameAddress(
spartan6::FrameAddress(spartan6::BlockType::BLOCK_RAM, 0, 0, 2)));
}