# Test slew, capacitance, fanout limit checks with actual violations.
# Targets: Sta.cc checkSlewLimits, checkCapacitanceLimits, checkFanoutLimits,
#          reportSlewLimitShort/Verbose, reportCapacitanceLimitShort/Verbose,
#          reportFanoutLimitShort/Verbose, checkSlew, maxSlewCheck,
#          checkFanout, maxFanoutCheck, checkCapacitance, maxCapacitanceCheck,
#          CheckSlewLimits.cc, CheckCapacitanceLimits.cc, CheckFanoutLimits.cc,
#          CheckMinPulseWidths.cc, CheckMinPeriods.cc, CheckMaxSkews.cc
source ../../test/helpers.tcl

read_liberty ../../test/nangate45/Nangate45_typ.lib
read_verilog search_limit_violations.v
link_design search_limit_violations

create_clock -name clk -period 10 [get_ports clk]
set_input_delay -clock clk 1.0 [get_ports in1]
set_input_delay -clock clk 1.0 [get_ports in2]
set_input_delay -clock clk 1.0 [get_ports in3]
set_input_delay -clock clk 1.0 [get_ports in4]
set_output_delay -clock clk 2.0 [get_ports out1]
set_output_delay -clock clk 2.0 [get_ports out2]
set_output_delay -clock clk 2.0 [get_ports out3]

report_checks -path_delay max > /dev/null

puts "=== SLEW LIMIT CHECKS ==="

puts "--- set_max_transition tight limit ---"
set_max_transition 0.001 [current_design]
report_check_types -max_slew -verbose
puts "PASS: tight slew limit verbose"

puts "--- report_check_types -max_slew only ---"
report_check_types -max_slew
puts "PASS: slew limit short"

puts "--- report_check_types -max_slew -violators ---"
report_check_types -max_slew -violators
puts "PASS: slew violators"

puts "--- set_max_transition on clock ---"
set_max_transition 0.002 -clock_path [get_clocks clk]
report_check_types -max_slew -verbose
puts "PASS: clock slew limit"

puts "--- set_max_transition on port ---"
set_max_transition 0.003 [get_ports out1]
report_check_types -max_slew -verbose
puts "PASS: port slew limit"

puts "=== CAPACITANCE LIMIT CHECKS ==="

puts "--- set_max_capacitance tight limit ---"
set_max_capacitance 0.0001 [current_design]
report_check_types -max_capacitance -verbose
puts "PASS: tight cap limit verbose"

puts "--- report_check_types -max_capacitance only ---"
report_check_types -max_capacitance
puts "PASS: cap limit short"

puts "--- report_check_types -max_capacitance -violators ---"
report_check_types -max_capacitance -violators
puts "PASS: cap violators"

puts "--- set_max_capacitance on port ---"
set_max_capacitance 0.0002 [get_ports out1]
report_check_types -max_capacitance -verbose
puts "PASS: port cap limit"

puts "=== FANOUT LIMIT CHECKS ==="

puts "--- set_max_fanout tight limit ---"
set_max_fanout 1 [current_design]
report_check_types -max_fanout -verbose
puts "PASS: tight fanout limit verbose"

puts "--- report_check_types -max_fanout only ---"
report_check_types -max_fanout
puts "PASS: fanout limit short"

puts "--- report_check_types -max_fanout -violators ---"
report_check_types -max_fanout -violators
puts "PASS: fanout violators"

puts "--- set_max_fanout on port ---"
set_max_fanout 2 [get_ports in1]
report_check_types -max_fanout -verbose
puts "PASS: port fanout limit"

puts "=== PULSE WIDTH CHECKS ==="

puts "--- report_pulse_width_checks ---"
report_pulse_width_checks
puts "PASS: pulse_width default"

puts "--- report_pulse_width_checks -verbose ---"
report_pulse_width_checks -verbose
puts "PASS: pulse_width verbose"

puts "--- report_pulse_width_checks on specific pin ---"
report_pulse_width_checks [get_pins reg1/CK]
report_pulse_width_checks [get_pins reg2/CK]
puts "PASS: pulse_width specific pins"

puts "--- set_min_pulse_width ---"
catch {
  set_min_pulse_width 5.0 [get_clocks clk]
  report_pulse_width_checks -verbose
}
puts "PASS: min_pulse_width on clock"

catch {
  set_min_pulse_width -high 4.0 [get_pins reg1/CK]
  report_pulse_width_checks [get_pins reg1/CK]
}
puts "PASS: min_pulse_width on pin"

catch {
  set_min_pulse_width -low 3.0 [get_cells reg1]
  report_pulse_width_checks -verbose
}
puts "PASS: min_pulse_width on instance"

puts "--- report_check_types -min_pulse_width ---"
report_check_types -min_pulse_width
report_check_types -min_pulse_width -verbose
puts "PASS: check_types pulse_width"

puts "=== MIN PERIOD CHECKS ==="

puts "--- report_clock_min_period ---"
report_clock_min_period
puts "PASS: min_period"

puts "--- report_clock_min_period -include_port_paths ---"
report_clock_min_period -include_port_paths
puts "PASS: min_period with port paths"

puts "--- report_clock_min_period -clocks ---"
report_clock_min_period -clocks clk
puts "PASS: min_period specific clock"

puts "--- Tight clock period for min_period violations ---"
create_clock -name clk -period 0.01 [get_ports clk]
report_check_types -min_period -verbose
report_check_types -min_period
report_check_types -min_period -violators
puts "PASS: min_period violations"

puts "--- report_clock_min_period with violation ---"
report_clock_min_period
puts "PASS: clock_min_period with violation"

puts "=== MAX SKEW CHECKS ==="

puts "--- report_check_types -max_skew ---"
report_check_types -max_skew
report_check_types -max_skew -verbose
puts "PASS: max_skew"

puts "=== COMBINED CHECKS ==="

puts "--- report_check_types -violators (all) ---"
report_check_types -violators
puts "PASS: all violators"

puts "--- report_check_types verbose (all) ---"
report_check_types -verbose
puts "PASS: all verbose"

puts "ALL PASSED"