summaryrefslogtreecommitdiffstats
path: root/libs/nanopb/tests/encode_unittests
diff options
context:
space:
mode:
authorRomain Forlot <romain.forlot@iot.bzh>2017-06-20 10:24:05 +0000
committerRomain Forlot <romain.forlot@iot.bzh>2017-06-20 10:24:05 +0000
commit32e25cbca210a359b09768537b6f443fe90a3070 (patch)
tree3309794c15d8a8f8e9c1c08cad072ee1378813ba /libs/nanopb/tests/encode_unittests
parent76c43dec62b2e21cd6446360c00d4fe6b437533f (diff)
Separation Generator to a dedicated repo
Change-Id: Id94831651c3266861435272a6e36c7884bef2c45 Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'libs/nanopb/tests/encode_unittests')
-rw-r--r--libs/nanopb/tests/encode_unittests/SConscript5
-rw-r--r--libs/nanopb/tests/encode_unittests/encode_unittests.c355
2 files changed, 360 insertions, 0 deletions
diff --git a/libs/nanopb/tests/encode_unittests/SConscript b/libs/nanopb/tests/encode_unittests/SConscript
new file mode 100644
index 00000000..bf6d1404
--- /dev/null
+++ b/libs/nanopb/tests/encode_unittests/SConscript
@@ -0,0 +1,5 @@
+# Build and run the stand-alone unit tests for the nanopb encoder part.
+
+Import('env')
+p = env.Program(["encode_unittests.c", "$COMMON/unittestproto.pb.c"])
+env.RunTest(p)
diff --git a/libs/nanopb/tests/encode_unittests/encode_unittests.c b/libs/nanopb/tests/encode_unittests/encode_unittests.c
new file mode 100644
index 00000000..583af5c6
--- /dev/null
+++ b/libs/nanopb/tests/encode_unittests/encode_unittests.c
@@ -0,0 +1,355 @@
+/* This includes the whole .c file to get access to static functions. */
+#include "pb_common.c"
+#include "pb_encode.c"
+
+#include <stdio.h>
+#include <string.h>
+#include "unittests.h"
+#include "unittestproto.pb.h"
+
+bool streamcallback(pb_ostream_t *stream, const uint8_t *buf, size_t count)
+{
+ /* Allow only 'x' to be written */
+ while (count--)
+ {
+ if (*buf++ != 'x')
+ return false;
+ }
+ return true;
+}
+
+bool fieldcallback(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
+{
+ int value = 0x55;
+ if (!pb_encode_tag_for_field(stream, field))
+ return false;
+ return pb_encode_varint(stream, value);
+}
+
+bool crazyfieldcallback(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
+{
+ /* This callback writes different amount of data the second time. */
+ uint32_t *state = (uint32_t*)arg;
+ *state <<= 8;
+ if (!pb_encode_tag_for_field(stream, field))
+ return false;
+ return pb_encode_varint(stream, *state);
+}
+
+/* Check that expression x writes data y.
+ * Y is a string, which may contain null bytes. Null terminator is ignored.
+ */
+#define WRITES(x, y) \
+memset(buffer, 0xAA, sizeof(buffer)), \
+s = pb_ostream_from_buffer(buffer, sizeof(buffer)), \
+(x) && \
+memcmp(buffer, y, sizeof(y) - 1) == 0 && \
+buffer[sizeof(y) - 1] == 0xAA
+
+int main()
+{
+ int status = 0;
+
+ {
+ uint8_t buffer1[] = "foobartest1234";
+ uint8_t buffer2[sizeof(buffer1)];
+ pb_ostream_t stream = pb_ostream_from_buffer(buffer2, sizeof(buffer1));
+
+ COMMENT("Test pb_write and pb_ostream_t");
+ TEST(pb_write(&stream, buffer1, sizeof(buffer1)));
+ TEST(memcmp(buffer1, buffer2, sizeof(buffer1)) == 0);
+ TEST(!pb_write(&stream, buffer1, 1));
+ TEST(stream.bytes_written == sizeof(buffer1));
+ }
+
+ {
+ uint8_t buffer1[] = "xxxxxxx";
+ pb_ostream_t stream = {&streamcallback, 0, SIZE_MAX, 0};
+
+ COMMENT("Test pb_write with custom callback");
+ TEST(pb_write(&stream, buffer1, 5));
+ buffer1[0] = 'a';
+ TEST(!pb_write(&stream, buffer1, 5));
+ }
+
+ {
+ uint8_t buffer[30];
+ pb_ostream_t s;
+
+ COMMENT("Test pb_encode_varint")
+ TEST(WRITES(pb_encode_varint(&s, 0), "\0"));
+ TEST(WRITES(pb_encode_varint(&s, 1), "\1"));
+ TEST(WRITES(pb_encode_varint(&s, 0x7F), "\x7F"));
+ TEST(WRITES(pb_encode_varint(&s, 0x80), "\x80\x01"));
+ TEST(WRITES(pb_encode_varint(&s, UINT32_MAX), "\xFF\xFF\xFF\xFF\x0F"));
+ TEST(WRITES(pb_encode_varint(&s, UINT64_MAX), "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"));
+ }
+
+ {
+ uint8_t buffer[30];
+ pb_ostream_t s;
+
+ COMMENT("Test pb_encode_tag")
+ TEST(WRITES(pb_encode_tag(&s, PB_WT_STRING, 5), "\x2A"));
+ TEST(WRITES(pb_encode_tag(&s, PB_WT_VARINT, 99), "\x98\x06"));
+ }
+
+ {
+ uint8_t buffer[30];
+ pb_ostream_t s;
+ pb_field_t field = {10, PB_LTYPE_SVARINT};
+
+ COMMENT("Test pb_encode_tag_for_field")
+ TEST(WRITES(pb_encode_tag_for_field(&s, &field), "\x50"));
+
+ field.type = PB_LTYPE_FIXED64;
+ TEST(WRITES(pb_encode_tag_for_field(&s, &field), "\x51"));
+
+ field.type = PB_LTYPE_STRING;
+ TEST(WRITES(pb_encode_tag_for_field(&s, &field), "\x52"));
+
+ field.type = PB_LTYPE_FIXED32;
+ TEST(WRITES(pb_encode_tag_for_field(&s, &field), "\x55"));
+ }
+
+ {
+ uint8_t buffer[30];
+ pb_ostream_t s;
+
+ COMMENT("Test pb_encode_string")
+ TEST(WRITES(pb_encode_string(&s, (const uint8_t*)"abcd", 4), "\x04""abcd"));
+ TEST(WRITES(pb_encode_string(&s, (const uint8_t*)"abcd\x00", 5), "\x05""abcd\x00"));
+ TEST(WRITES(pb_encode_string(&s, (const uint8_t*)"", 0), "\x00"));
+ }
+
+ {
+ uint8_t buffer[30];
+ pb_ostream_t s;
+ uint8_t value = 1;
+ int32_t max = INT32_MAX;
+ int32_t min = INT32_MIN;
+ int64_t lmax = INT64_MAX;
+ int64_t lmin = INT64_MIN;
+ pb_field_t field = {1, PB_LTYPE_VARINT, 0, 0, sizeof(value)};
+
+ COMMENT("Test pb_enc_varint and pb_enc_svarint")
+ TEST(WRITES(pb_enc_varint(&s, &field, &value), "\x01"));
+
+ field.data_size = sizeof(max);
+ TEST(WRITES(pb_enc_svarint(&s, &field, &max), "\xfe\xff\xff\xff\x0f"));
+ TEST(WRITES(pb_enc_svarint(&s, &field, &min), "\xff\xff\xff\xff\x0f"));
+
+ field.data_size = sizeof(lmax);
+ TEST(WRITES(pb_enc_svarint(&s, &field, &lmax), "\xFE\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"));
+ TEST(WRITES(pb_enc_svarint(&s, &field, &lmin), "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"));
+ }
+
+ {
+ uint8_t buffer[30];
+ pb_ostream_t s;
+ float fvalue;
+ double dvalue;
+
+ COMMENT("Test pb_enc_fixed32 using float")
+ fvalue = 0.0f;
+ TEST(WRITES(pb_enc_fixed32(&s, NULL, &fvalue), "\x00\x00\x00\x00"))
+ fvalue = 99.0f;
+ TEST(WRITES(pb_enc_fixed32(&s, NULL, &fvalue), "\x00\x00\xc6\x42"))
+ fvalue = -12345678.0f;
+ TEST(WRITES(pb_enc_fixed32(&s, NULL, &fvalue), "\x4e\x61\x3c\xcb"))
+
+ COMMENT("Test pb_enc_fixed64 using double")
+ dvalue = 0.0;
+ TEST(WRITES(pb_enc_fixed64(&s, NULL, &dvalue), "\x00\x00\x00\x00\x00\x00\x00\x00"))
+ dvalue = 99.0;
+ TEST(WRITES(pb_enc_fixed64(&s, NULL, &dvalue), "\x00\x00\x00\x00\x00\xc0\x58\x40"))
+ dvalue = -12345678.0;
+ TEST(WRITES(pb_enc_fixed64(&s, NULL, &dvalue), "\x00\x00\x00\xc0\x29\x8c\x67\xc1"))
+ }
+
+ {
+ uint8_t buffer[30];
+ pb_ostream_t s;
+ struct { pb_size_t size; uint8_t bytes[5]; } value = {5, {'x', 'y', 'z', 'z', 'y'}};
+
+ COMMENT("Test pb_enc_bytes")
+ TEST(WRITES(pb_enc_bytes(&s, &BytesMessage_fields[0], &value), "\x05xyzzy"))
+ value.size = 0;
+ TEST(WRITES(pb_enc_bytes(&s, &BytesMessage_fields[0], &value), "\x00"))
+ }
+
+ {
+ uint8_t buffer[30];
+ pb_ostream_t s;
+ char value[30] = "xyzzy";
+
+ COMMENT("Test pb_enc_string")
+ TEST(WRITES(pb_enc_string(&s, &StringMessage_fields[0], &value), "\x05xyzzy"))
+ value[0] = '\0';
+ TEST(WRITES(pb_enc_string(&s, &StringMessage_fields[0], &value), "\x00"))
+ memset(value, 'x', 30);
+ TEST(WRITES(pb_enc_string(&s, &StringMessage_fields[0], &value), "\x0Axxxxxxxxxx"))
+ }
+
+ {
+ uint8_t buffer[10];
+ pb_ostream_t s;
+ IntegerArray msg = {5, {1, 2, 3, 4, 5}};
+
+ COMMENT("Test pb_encode with int32 array")
+
+ TEST(WRITES(pb_encode(&s, IntegerArray_fields, &msg), "\x0A\x05\x01\x02\x03\x04\x05"))
+
+ msg.data_count = 0;
+ TEST(WRITES(pb_encode(&s, IntegerArray_fields, &msg), ""))
+
+ msg.data_count = 10;
+ TEST(!pb_encode(&s, IntegerArray_fields, &msg))
+ }
+
+ {
+ uint8_t buffer[10];
+ pb_ostream_t s;
+ FloatArray msg = {1, {99.0f}};
+
+ COMMENT("Test pb_encode with float array")
+
+ TEST(WRITES(pb_encode(&s, FloatArray_fields, &msg),
+ "\x0A\x04\x00\x00\xc6\x42"))
+
+ msg.data_count = 0;
+ TEST(WRITES(pb_encode(&s, FloatArray_fields, &msg), ""))
+
+ msg.data_count = 3;
+ TEST(!pb_encode(&s, FloatArray_fields, &msg))
+ }
+
+ {
+ uint8_t buffer[50];
+ pb_ostream_t s;
+ FloatArray msg = {1, {99.0f}};
+
+ COMMENT("Test array size limit in pb_encode")
+
+ s = pb_ostream_from_buffer(buffer, sizeof(buffer));
+ TEST((msg.data_count = 10) && pb_encode(&s, FloatArray_fields, &msg))
+
+ s = pb_ostream_from_buffer(buffer, sizeof(buffer));
+ TEST((msg.data_count = 11) && !pb_encode(&s, FloatArray_fields, &msg))
+ }
+
+ {
+ uint8_t buffer[10];
+ pb_ostream_t s;
+ CallbackArray msg;
+
+ msg.data.funcs.encode = &fieldcallback;
+
+ COMMENT("Test pb_encode with callback field.")
+ TEST(WRITES(pb_encode(&s, CallbackArray_fields, &msg), "\x08\x55"))
+ }
+
+ {
+ uint8_t buffer[10];
+ pb_ostream_t s;
+ IntegerContainer msg = {{5, {1,2,3,4,5}}};
+
+ COMMENT("Test pb_encode with packed array in a submessage.")
+ TEST(WRITES(pb_encode(&s, IntegerContainer_fields, &msg),
+ "\x0A\x07\x0A\x05\x01\x02\x03\x04\x05"))
+ }
+
+ {
+ uint8_t buffer[32];
+ pb_ostream_t s;
+ BytesMessage msg = {{3, "xyz"}};
+
+ COMMENT("Test pb_encode with bytes message.")
+ TEST(WRITES(pb_encode(&s, BytesMessage_fields, &msg),
+ "\x0A\x03xyz"))
+
+ msg.data.size = 17; /* More than maximum */
+ TEST(!pb_encode(&s, BytesMessage_fields, &msg))
+ }
+
+
+ {
+ uint8_t buffer[20];
+ pb_ostream_t s;
+ IntegerContainer msg = {{5, {1,2,3,4,5}}};
+
+ COMMENT("Test pb_encode_delimited.")
+ TEST(WRITES(pb_encode_delimited(&s, IntegerContainer_fields, &msg),
+ "\x09\x0A\x07\x0A\x05\x01\x02\x03\x04\x05"))
+ }
+
+ {
+ IntegerContainer msg = {{5, {1,2,3,4,5}}};
+ size_t size;
+
+ COMMENT("Test pb_get_encoded_size.")
+ TEST(pb_get_encoded_size(&size, IntegerContainer_fields, &msg) &&
+ size == 9);
+ }
+
+ {
+ uint8_t buffer[10];
+ pb_ostream_t s;
+ CallbackContainer msg;
+ CallbackContainerContainer msg2;
+ uint32_t state = 1;
+
+ msg.submsg.data.funcs.encode = &fieldcallback;
+ msg2.submsg.submsg.data.funcs.encode = &fieldcallback;
+
+ COMMENT("Test pb_encode with callback field in a submessage.")
+ TEST(WRITES(pb_encode(&s, CallbackContainer_fields, &msg), "\x0A\x02\x08\x55"))
+ TEST(WRITES(pb_encode(&s, CallbackContainerContainer_fields, &msg2),
+ "\x0A\x04\x0A\x02\x08\x55"))
+
+ /* Misbehaving callback: varying output between calls */
+ msg.submsg.data.funcs.encode = &crazyfieldcallback;
+ msg.submsg.data.arg = &state;
+ msg2.submsg.submsg.data.funcs.encode = &crazyfieldcallback;
+ msg2.submsg.submsg.data.arg = &state;
+
+ TEST(!pb_encode(&s, CallbackContainer_fields, &msg))
+ state = 1;
+ TEST(!pb_encode(&s, CallbackContainerContainer_fields, &msg2))
+ }
+
+ {
+ uint8_t buffer[StringMessage_size];
+ pb_ostream_t s;
+ StringMessage msg = {"0123456789"};
+
+ s = pb_ostream_from_buffer(buffer, sizeof(buffer));
+
+ COMMENT("Test that StringMessage_size is correct")
+
+ TEST(pb_encode(&s, StringMessage_fields, &msg));
+ TEST(s.bytes_written == StringMessage_size);
+ }
+
+ {
+ uint8_t buffer[128];
+ pb_ostream_t s;
+ StringPointerContainer msg = StringPointerContainer_init_zero;
+ char *strs[1] = {NULL};
+ char zstr[] = "Z";
+
+ COMMENT("Test string pointer encoding.");
+
+ msg.rep_str = strs;
+ msg.rep_str_count = 1;
+ TEST(WRITES(pb_encode(&s, StringPointerContainer_fields, &msg), "\x0a\x00"))
+
+ strs[0] = zstr;
+ TEST(WRITES(pb_encode(&s, StringPointerContainer_fields, &msg), "\x0a\x01Z"))
+ }
+
+ if (status != 0)
+ fprintf(stdout, "\n\nSome tests FAILED!\n");
+
+ return status;
+}