Update tests

test/Test_ALU.sv

@@ -13,13 +13,32 @@ module Test_ALU ();
       .status(status)
   );
 
+  localparam RandomSumIterations = 32;
+
   initial begin
-    a = 'd3;
-    b = 'd11;
+    $dumpfile("dump.vcd");
+    $dumpvars;
+
+    a = 'd0;
+    b = 'd0;
     opcode = 'd0;
-    assert(result != 'd14) $display("3 + 11 != 14");
-    assert(status != 'b0000) $display("status(3 + 11) != 0000");
-    $display("Test successful");
+    #1
+    assert(result == 'd0) else $error("Incorrent result in operation: %d + %d", a, b);
+    assert(status == 'b0100) else $error("Incorrent flags in operation: %d + %d", a, b);
+
+    a = 'hFFFF_FFFF;
+    b = 'd0;
+    #1
+    assert(result == 'hFFFF_FFFF) else $error("Incorrent result in operation: %d + %d", a, b);
+    assert(status == 'b1000) else $error("Incorrent flags in operation: %d + %d", a, b);
+
+    for(int i = 0; i < RandomSumIterations; i++) begin
+      a = $random;
+      b = $random;
+      opcode = 'd0;
+      #1
+      assert(result == a + b) else $error("Failed in operation: %d + %d", a, b);
+    end
     $finish;
   end
 endmodule

test/Test_DataMemory.sv

@@ -26,8 +26,6 @@ module Test_DataMemory ();
   logic [MemoryWriteRange:0][31:0] write_values;
   int start_addr;
   initial begin
-    $dumpfile("dump.vcd");
-    $dumpvars();
     // Reset
     clk = 0;
     rst = 1;
@@ -39,7 +37,7 @@ module Test_DataMemory ();
     write_enable = 1;
     start_addr   = $urandom_range(15);
     for (int i = 0; i < MemoryWriteRange; i++) begin
-      addr = start_addr + i;
+      addr = start_addr + i*4;
       write_values[i] = $urandom();
       write_data = write_values[i];
       #2;
@@ -47,11 +45,12 @@ module Test_DataMemory ();
     // Read and compare the same range of values
     write_enable = 0;
     #4;
-    for (int i = 0; i < 16; i++) begin
-      addr = start_addr + i;
+    for (int i = 0; i < MemoryWriteRange; i++) begin
+      addr = start_addr + i*4;
+      #1;
       assert (read_data == write_values[i])
       else $error("Read failed at address %h", addr);
-      #2;
+      #1;
     end
     $finish;
   end

test/Test_ImmExtend.sv

@@ -31,8 +31,7 @@ module Test_ImmExtend ();
     $readmemh("../fw/test/test-imm.mem", mem);
     instr_info = '{
         // instr_info_t'{2'h3, 32'hFFFF_FFE2},
-        instr_info_t
-'{2'h3, 32'h0000_07E6},
+        instr_info_t'{2'h3, 32'h0000_07E6},
         instr_info_t'{2'h2, 32'h0000_0008},
         instr_info_t'{2'h1, 32'h0000_07FA},
         instr_info_t'{2'h0, 32'hFFFF_FFFF},

test/Test_PriorityEncoder.sv

@@ -12,16 +12,13 @@ module Test_PriorityEncoder();
     initial begin
         data_in = 'b00000001;
         for (int i = 0; i < 8; i++) begin
-            assert (data_out == i[2:0] + 1 || valid == 1) else $error("[One-hot] Failed at %d", i);
-            #1
+            #1 assert (data_out == i[2:0] && valid == 1) else $error("Failed one-hot to index check at iteration %0d, %d", i, data_out);
             data_in = data_in << 'd1;
         end
-        #1
         data_in = 'b00101111;
-        assert (data_out == 'd5) else $error("[Manual entry] Failed at " + 5);
-        #1
+        #1 assert (data_out == 'd5) else $error("Incorrect result with input %b", data_in);
         data_in = 'b10101010;
-        assert (data_out == 'd7) else $error("[Manual entry] Failed at " + 7);
+        #1 assert (data_out == 'd7) else $error("Incorrect result with input %b", data_in);
         $finish;
     end
 endmodule