8 files changed, 173 insertions, 1 deletions
diff --git a/tests/extmod/framebuf1.py b/tests/extmod/framebuf1.py
new file mode 100644
index 000000000..f550b6b4f
--- /dev/null
+++ b/tests/extmod/framebuf1.py
@@ -0,0 +1,41 @@
+try:
+    import framebuf
+except ImportError:
+    print("SKIP")
+    import sys
+    sys.exit()
+
+w = 5
+h = 16
+buf = bytearray(w * h // 8)
+fbuf = framebuf.FrameBuffer1(buf, w, h, w)
+
+# fill
+fbuf.fill(1)
+print(buf)
+fbuf.fill(0)
+print(buf)
+
+# put pixel
+fbuf.pixel(0, 0, 1)
+fbuf.pixel(4, 0, 1)
+fbuf.pixel(0, 15, 1)
+fbuf.pixel(4, 15, 1)
+print(buf)
+
+# get pixel
+print(fbuf.pixel(0, 0), fbuf.pixel(1, 1))
+
+# scroll
+fbuf.fill(0)
+fbuf.pixel(2, 7, 1)
+fbuf.scroll(0, 1)
+print(buf)
+fbuf.scroll(0, -2)
+print(buf)
+fbuf.scroll(1, 0)
+print(buf)
+fbuf.scroll(-1, 0)
+print(buf)
+fbuf.scroll(2, 2)
+print(buf)
diff --git a/tests/extmod/framebuf1.py.exp b/tests/extmod/framebuf1.py.exp
new file mode 100644
index 000000000..8fd8c3709
--- /dev/null
+++ b/tests/extmod/framebuf1.py.exp
@@ -0,0 +1,9 @@
+bytearray(b'\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff')
+bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+bytearray(b'\x01\x00\x00\x00\x01\x80\x00\x00\x00\x80')
+1 0
+bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00')
+bytearray(b'\x00\x00@\x00\x00\x00\x00\x00\x00\x00')
+bytearray(b'\x00\x00\x00@\x00\x00\x00\x00\x00\x00')
+bytearray(b'\x00\x00@\x00\x00\x00\x00\x00\x00\x00')
+bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01')
diff --git a/tests/extmod/machine_pulse.py b/tests/extmod/machine_pulse.py
new file mode 100644
index 000000000..b6e126435
--- /dev/null
+++ b/tests/extmod/machine_pulse.py
@@ -0,0 +1,54 @@
+try:
+    import umachine as machine
+except ImportError:
+    import machine
+try:
+    machine.PinBase
+    machine.time_pulse_us
+except AttributeError:
+    print("SKIP")
+    import sys
+    sys.exit()
+
+
+class ConstPin(machine.PinBase):
+
+    def __init__(self, value):
+        self.v = value
+
+    def value(self, v=None):
+        if v is None:
+            return self.v
+        else:
+            self.v = v
+
+
+class TogglePin(machine.PinBase):
+
+    def __init__(self):
+        self.v = 0
+
+    def value(self, v=None):
+        if v is None:
+            self.v = 1 - self.v
+            print("value:", self.v)
+            return self.v
+
+
+p = TogglePin()
+
+t = machine.time_pulse_us(p, 1)
+print(type(t))
+t = machine.time_pulse_us(p, 0)
+print(type(t))
+
+p = ConstPin(0)
+try:
+    machine.time_pulse_us(p, 1, 10)
+except OSError:
+    print("OSError")
+
+try:
+    machine.time_pulse_us(p, 0, 10)
+except OSError:
+    print("OSError")
diff --git a/tests/extmod/machine_pulse.py.exp b/tests/extmod/machine_pulse.py.exp
new file mode 100644
index 000000000..f9a474218
--- /dev/null
+++ b/tests/extmod/machine_pulse.py.exp
@@ -0,0 +1,9 @@
+value: 1
+value: 0
+<class 'int'>
+value: 1
+value: 0
+value: 1
+<class 'int'>
+OSError
+OSError
diff --git a/tests/extmod/urandom_basic.py b/tests/extmod/urandom_basic.py
index 7e4d8bf34..bf00035bd 100644
--- a/tests/extmod/urandom_basic.py
+++ b/tests/extmod/urandom_basic.py
@@ -17,3 +17,9 @@ random.seed(1)
 r = random.getrandbits(16)
 random.seed(1)
 print(random.getrandbits(16) == r)
+
+# check that it throws an error for zero bits
+try:
+    random.getrandbits(0)
+except ValueError:
+    print('ValueError')
diff --git a/tests/extmod/urandom_extra.py b/tests/extmod/urandom_extra.py
index a9ecd881d..004fb10cc 100644
--- a/tests/extmod/urandom_extra.py
+++ b/tests/extmod/urandom_extra.py
@@ -16,6 +16,31 @@ for i in range(50):
     assert 2 <= random.randrange(2, 6) < 6
     assert -2 <= random.randrange(-2, 2) < 2
     assert random.randrange(1, 9, 2) in (1, 3, 5, 7)
+    assert random.randrange(2, 1, -1) in (1, 2)
+
+# empty range
+try:
+    random.randrange(0)
+except ValueError:
+    print('ValueError')
+
+# empty range
+try:
+    random.randrange(2, 1)
+except ValueError:
+    print('ValueError')
+
+# zero step
+try:
+    random.randrange(2, 1, 0)
+except ValueError:
+    print('ValueError')
+
+# empty range
+try:
+    random.randrange(2, 1, 1)
+except ValueError:
+    print('ValueError')
 
 print('randint')
 for i in range(50):
@@ -23,11 +48,23 @@ for i in range(50):
     assert 2 <= random.randint(2, 6) <= 6
     assert -2 <= random.randint(-2, 2) <= 2
 
+# empty range
+try:
+    random.randint(2, 1)
+except ValueError:
+    print('ValueError')
+
 print('choice')
 lst = [1, 2, 5, 6]
 for i in range(50):
     assert random.choice(lst) in lst
 
+# empty sequence
+try:
+    random.choice([])
+except IndexError:
+    print('IndexError')
+
 print('random')
 for i in range(50):
     assert 0 <= random.random() < 1
diff --git a/tests/extmod/uzlib_decompio.py b/tests/extmod/uzlib_decompio.py
index ee3204d07..75a6df0ca 100644
--- a/tests/extmod/uzlib_decompio.py
+++ b/tests/extmod/uzlib_decompio.py
@@ -7,7 +7,7 @@ import uio as io
 
 # Raw DEFLATE bitstream
 buf = io.BytesIO(b'\xcbH\xcd\xc9\xc9\x07\x00')
-inp = zlib.DecompIO(buf)
+inp = zlib.DecompIO(buf, -8)
 print(buf.seek(0, 1))
 print(inp.read(1))
 print(buf.seek(0, 1))
@@ -17,3 +17,16 @@ print(buf.seek(0, 1))
 print(inp.read(1))
 print(inp.read())
 print(buf.seek(0, 1))
+
+
+# zlib bitstream
+inp = zlib.DecompIO(io.BytesIO(b'x\x9c30\xa0=\x00\x00\xb3q\x12\xc1'))
+print(inp.read(10))
+print(inp.read())
+
+# zlib bitstream, wrong checksum
+inp = zlib.DecompIO(io.BytesIO(b'x\x9c30\xa0=\x00\x00\xb3q\x12\xc0'))
+try:
+    print(inp.read())
+except OSError as e:
+    print(repr(e))
diff --git a/tests/extmod/uzlib_decompio.py.exp b/tests/extmod/uzlib_decompio.py.exp
index 6ef811d7d..3f5f360fa 100644
--- a/tests/extmod/uzlib_decompio.py.exp
+++ b/tests/extmod/uzlib_decompio.py.exp
@@ -7,3 +7,6 @@ b'lo'
 b''
 b''
 7
+b'0000000000'
+b'000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
+OSError(22,)