2 files changed, 95 insertions, 0 deletions
diff --git a/tests/bits/bitcomp_test.c b/tests/bits/bitcomp_test.c
new file mode 100644
index 00000000..f6895cf9
--- /dev/null
+++ b/tests/bits/bitcomp_test.c
@@ -0,0 +1,66 @@
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <time.h>
+#include <stdbool.h>
+#include <errno.h>
+
+#include <osmocom/core/utils.h>
+#include <osmocom/core/bits.h>
+#include <osmocom/core/bitcomp.h>
+
+static char lol[1024]; // for pretty-printing
+
+int main(int argc, char **argv)
+{
+	srand(time(NULL));
+
+	struct bitvec bv, out;
+	uint8_t i = 20, test[i], data[i];
+
+	bv.data_len = i;
+        bv.data = test;
+	out.data_len = i;
+	out.data = data;
+	bitvec_zero(&bv);
+	bitvec_zero(&out);
+
+	printf("\nrunning static tests...\n");
+
+	printf("\nTEST1:\n 00110111 01000111 10000001 1111\n");
+	bitvec_zero(&bv);
+	bitvec_set_uint(&bv, 0x374781F, 28); bitvec_to_string_r(&bv, lol); printf("%s", lol);
+
+	printf("\nEncoded:\n%d", osmo_t4_encode(&bv)); bitvec_to_string_r(&bv, lol); printf("%s", lol);
+	printf(" [%d]\nExpected:\n0 11011110 10001000 01110101 01100101 100 [35]\n", bv.cur_bit);
+
+	bitvec_zero(&bv);
+	bitvec_set_uint(&bv, 0xDE887565, 32);
+	bitvec_set_uint(&bv, 4, 3);
+	bitvec_to_string_r(&bv, lol);
+	printf(" %s [%d]\n", lol, bv.cur_bit);
+	int d = osmo_t4_decode(&bv, 0, &out);
+	printf("\nDecoded:\n%d", d);
+	bitvec_to_string_r(&out, lol);
+	printf("%s [%d]\n", lol, out.cur_bit);
+	printf("Expected:\n  00110111 01000111 10000001 1111 \n");
+
+	printf("\nTEST2:\n 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 00000000 00\n");
+	bitvec_zero(&bv);
+	bitvec_set_uint(&bv, 0xFFFFFFFF, 32);
+	bitvec_set_uint(&bv, 0xFFFFFFFF, 32);
+	bitvec_set_uint(&bv, 0xFFFFFC00, 26); bitvec_to_string_r(&bv, lol); printf("%s", lol);
+	printf("\nEncoded:\n%d", osmo_t4_encode(&bv)); bitvec_to_string_r(&bv, lol); printf("%s", lol);
+	printf(" [%d]\nExpected:\n1 11011101 01000001 00 [18]\n", bv.cur_bit);
+
+	bitvec_zero(&out);
+	d = osmo_t4_decode(&bv, 1, &out);
+	printf("\nDecoded:\n%d", d);
+	bitvec_to_string_r(&out, lol);
+	printf("%s [%d]\n", lol, out.cur_bit);
+	printf("Expected:\n  11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 00000000 00\n");
+
+	return 0;
+}
diff --git a/tests/bits/bitcomp_test.ok b/tests/bits/bitcomp_test.ok
new file mode 100644
index 00000000..238f3c47
--- /dev/null
+++ b/tests/bits/bitcomp_test.ok
@@ -0,0 +1,29 @@
+
+running static tests...
+
+TEST1:
+ 00110111 01000111 10000001 1111
+ 00110111 01000111 10000001 1111
+Encoded:
+-1 00110111 01000111 10000001 1111 [28]
+Expected:
+0 11011110 10001000 01110101 01100101 100 [35]
+  11011110 10001000 01110101 01100101 100 [35]
+
+Decoded:
+0 00110111 01000111 10000001 1111 [28]
+Expected:
+  00110111 01000111 10000001 1111 
+
+TEST2:
+ 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 00000000 00
+ 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 00000000 00
+Encoded:
+1 11011101 01000001 00 [18]
+Expected:
+1 11011101 01000001 00 [18]
+
+Decoded:
+0 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 00000000 00 [90]
+Expected:
+  11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 00000000 00