diff --git a/numba_dppy/tests/test_debug_dppy_numba.py b/numba_dppy/tests/test_debug_dppy_numba.py
index 28f66f6f97..d6967a440e 100644
--- a/numba_dppy/tests/test_debug_dppy_numba.py
+++ b/numba_dppy/tests/test_debug_dppy_numba.py
@@ -58,13 +58,42 @@ def teardown_gdb(self):
         self.child.expect("Quit anyway?", timeout=5)
         self.child.sendline("y")
 
-    def breakpoint(self, breakpoint):
+    def _command(self, command):
         self.child.expect("(gdb)", timeout=5)
-        self.child.sendline("break " + breakpoint)
+        self.child.sendline(command)
+
+    def breakpoint(self, breakpoint):
+        self._command("break " + breakpoint)
 
     def run(self, script):
-        self.child.expect("(gdb)", timeout=5)
-        self.child.sendline("run " + self.script_path(script))
+        self._command("run " + self.script_path(script))
+
+    def backtrace(self):
+        self._command("backtrace")
+
+    def print(self, var):
+        self._command("print " + var)
+
+    def info_functions(self, function):
+        self._command("info functions " + function)
+
+    def info_locals(self):
+        self._command("info locals")
+
+    def next(self):
+        self._command("next")
+
+    def ptype(self, var):
+        self._command("ptype " + var)
+
+    def whatis(self, var):
+        self._command("whatis " + var)
+
+    def step(self):
+        self._command("step")
+
+    def stepi(self):
+        self._command("stepi")
 
     @staticmethod
     def script_path(script):
@@ -72,12 +101,178 @@ def script_path(script):
         return str(package_path / "examples/debug" / script)
 
 
-@pytest.mark.parametrize("api", ["numba", "numba-dppy"])
-def test_breakpoint_row_number(api):
-    app = gdb()
+@pytest.fixture
+def app():
+    return gdb()
+
 
+@pytest.mark.parametrize("api", ["numba", "numba-dppy"])
+def test_breakpoint_row_number(app, api):
     app.breakpoint("dppy_numba_basic.py:25")
     app.run("dppy_numba_basic.py --api={api}".format(api=api))
 
     app.child.expect(r"Thread .* hit Breakpoint .* at dppy_numba_basic.py:25")
     app.child.expect(r"25\s+param_c = param_a \+ 10")
+
+
+# commands/backtrace
+def test_backtrace(app):
+    app.breakpoint("simple_dppy_func.py:23")
+    app.run("simple_dppy_func.py")
+
+    app.child.expect(r"Thread .* hit Breakpoint .* at simple_dppy_func.py:23")
+    app.child.expect(r"23\s+result = a_in_func \+ b_in_func")
+
+    app.backtrace()
+
+    app.child.expect(r"#0.*__main__::func_sum .* at simple_dppy_func.py:23")
+    app.child.expect(r"#1.*__main__::kernel_sum .* at simple_dppy_func.py:30")
+
+
+# commands/break_conditional
+def test_break_conditional(app):
+    app.breakpoint("simple_sum.py:24 if i == 1")
+    app.run("simple_sum.py")
+
+    app.child.expect(r"Thread .* hit Breakpoint .* at simple_sum.py:24")
+    app.child.expect(r"24\s+c\[i\] = a\[i\] \+ b\[i\]")
+
+    app.print("i")
+
+    app.child.expect(r"\$1 = 1")
+
+
+# commands/break_file_func
+def test_break_file_function(app):
+    app.breakpoint("simple_sum.py:data_parallel_sum")
+    app.run("simple_sum.py")
+
+    app.child.expect(r"Thread .* hit Breakpoint .* at simple_sum.py:23")
+    app.child.expect(r"23\s+i = dppy.get_global_id\(0\)")
+
+
+# commands/break_func
+def test_break_function(app):
+    app.breakpoint("data_parallel_sum")
+    app.run("simple_sum.py")
+
+    app.child.expect(r"Thread .* hit Breakpoint .* at simple_sum.py:23")
+    app.child.expect(r"23\s+i = dppy.get_global_id\(0\)")
+
+
+# commands/break_nested_func
+def test_break_nested_function(app):
+    app.breakpoint("simple_dppy_func.py:func_sum")
+    app.run("simple_dppy_func.py")
+
+    app.child.expect(r"Thread .* hit Breakpoint .* at simple_dppy_func.py:23")
+    app.child.expect(r"23\s+result = a_in_func \+ b_in_func")
+
+
+# commands/info_func
+def test_info_functions(app):
+    app.breakpoint("simple_sum.py:22")
+    app.run("simple_sum.py")
+
+    app.child.expect(r"Thread .* hit Breakpoint .* at simple_sum.py:23")
+    app.child.expect(r"23\s+i = dppy.get_global_id\(0\)")
+
+    app.info_functions("data_parallel_sum")
+
+    app.child.expect(r"21:\s+void __main__::data_parallel_sum\(.*\);")
+
+
+# commands/local_variables_0
+def test_local_variables(app):
+    app.breakpoint("sum_local_vars.py:26")
+    app.run("sum_local_vars.py")
+
+    app.child.expect(r"Thread .* hit Breakpoint .* at sum_local_vars.py:26")
+    app.child.expect(r"26\s+c\[i\] = l1 \+ l2")
+
+    app.info_locals()
+
+    app.child.expect(r"a =")
+    app.child.expect(r"b =")
+    app.child.expect(r"c =")
+    app.child.expect(r"i = 0")
+    app.child.expect(r"l1 = [0-9]\.[0-9]{3}")
+    app.child.expect(r"l2 = [0-9]\.[0-9]{3}")
+
+    app.print("a")
+    app.child.expect(r"\$1 = '\\000' \<repeats 55 times\>")
+
+    app.print("l1")
+    app.child.expect(r"\$2 = [0-9]\.[0-9]{3}")
+
+    app.print("l2")
+    app.child.expect(r"\$3 = [0-9]\.[0-9]{3}")
+
+    app.ptype("a")
+    app.child.expect(r"type = byte \[56\]")
+
+    app.whatis("a")
+    app.child.expect(r"type = byte \[56\]")
+
+    app.ptype("l1")
+    app.child.expect(r"type = double")
+
+    app.whatis("l1")
+    app.child.expect(r"type = double")
+
+
+# commands/next
+def test_next(app):
+    app.breakpoint("simple_dppy_func.py:30")
+    app.run("simple_dppy_func.py")
+
+    app.child.expect(r"Thread .* hit Breakpoint .* at simple_dppy_func.py:30")
+    app.child.expect(
+        r"30\s+c_in_kernel\[i\] = func_sum\(a_in_kernel\[i\], b_in_kernel\[i\]\)"
+    )
+
+    app.next()
+    app.next()
+
+    app.child.expect(r"Done\.\.\.")
+
+
+# commands/step_dppy_func
+def test_step(app):
+    app.breakpoint("simple_dppy_func.py:30")
+    app.run("simple_dppy_func.py")
+    app.child.expect(r"Thread .* hit Breakpoint .* at simple_dppy_func.py:30")
+    app.child.expect(
+        r"30\s+c_in_kernel\[i\] = func_sum\(a_in_kernel\[i\], b_in_kernel\[i\]\)"
+    )
+
+    app.step()
+    app.step()
+
+    app.child.expect(r"__main__::func_sum \(\) at simple_dppy_func.py:23")
+    app.child.expect(r"23\s+result = a_in_func \+ b_in_func")
+
+
+# commands/stepi
+def test_stepi(app):
+    app.breakpoint("simple_dppy_func.py:30")
+    app.run("simple_dppy_func.py")
+
+    app.child.expect(r"Thread .* hit Breakpoint .* at simple_dppy_func.py:30")
+    app.child.expect(
+        r"30\s+c_in_kernel\[i\] = func_sum\(a_in_kernel\[i\], b_in_kernel\[i\]\)"
+    )
+
+    app.stepi()
+
+    app.child.expect(
+        r"0x[0-f]+\s+30\s+c_in_kernel\[i\] = func_sum\(a_in_kernel\[i\], b_in_kernel\[i\]\)"
+    )
+
+    app.stepi()
+
+    app.child.expect(r"Switching to Thread")
+    app.child.expect(r"Thread .* hit Breakpoint .* at simple_dppy_func.py:30")
+    app.child.expect(
+        r"30\s+c_in_kernel\[i\] = func_sum\(a_in_kernel\[i\], b_in_kernel\[i\]\)"
+    )