Update test.py

test/test.py

@@ -77,10 +77,8 @@ async def test_project(dut):
     dut.uio_in.value = 1
 
     await ClockCycles(dut.clk, 4)
-    #######################################
     # finish of the operands storing, check read data ready== 1 
     assert dut.uio_out.value == 8
-    #######################################
     # set data valid = 0
     dut.uio_in.value = 0
 
@@ -89,7 +87,27 @@ async def test_project(dut):
 
     # check if the input data is correctly written in the input buffer and if it can be read from the output buffer
     assert dut.uo_out.value == 20
-
+    dut.ui_in.value = 4
+    await ClockCycles(dut.clk, 4)
+
+    dut.ui_in.value = 0
+
+    await ClockCycles(dut.clk, 4)
+    assert dut.uo_out.value == 0
+    dut.ui_in.value = 4
+
     await ClockCycles(dut.clk, 4)
 
+    dut.ui_in.value = 0
 
+    await ClockCycles(dut.clk, 4)
+    assert dut.uo_out.value == 30
+    dut.ui_in.value = 4
+
+    await ClockCycles(dut.clk, 4)
+
+    dut.ui_in.value = 0
+
+    await ClockCycles(dut.clk, 4)
+    assert dut.uo_out.value == 0
+    dut.ui_in.value = 4