Rename test/unittests to tests/ and test/ to bin/

tests/test_varint.c

@@ -0,0 +1,120 @@
+/* Copyright (c) 2017 - 2020 LiteSpeed Technologies Inc.  See LICENSE. */
+#include <assert.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include "lsquic_varint.h"
+
+#define MAX_INPUT_SZ 8
+
+struct test_read_varint
+{
+    /* Input: */
+    unsigned char       input[MAX_INPUT_SZ];
+    size_t              in_sz;
+    /* Output: */
+    int                 rv;
+    uint64_t            val;
+};
+
+static const struct test_read_varint read_tests[] =
+{
+    {
+        .input = "\x25",
+        .in_sz = 0,
+        .rv = -1,
+    },
+    {
+        .input = "\x25",
+        .in_sz = 2,
+        .rv = 1,
+        .val = 0x25,
+    },
+    {
+        .input = "\x40\x25",
+        .in_sz = 1,
+        .rv = -1,
+    },
+    {
+        .input = "\x40\x25",
+        .in_sz = 2,
+        .rv = 2,
+        .val = 0x25,
+    },
+    {
+        .input = "\x9d\x7f\x3e\x7d",
+        .in_sz = 2,
+        .rv = -1,
+    },
+    {
+        .input = "\x9d\x7f\x3e\x7d",
+        .in_sz = 4,
+        .rv = 4,
+        .val = 494878333,
+    },
+    {
+        .input = "\xc2\x19\x7c\x5e\xff\x14\xe8\x8c",
+        .in_sz = 7,
+        .rv = -1,
+    },
+    {
+        .input = "\xc2\x19\x7c\x5e\xff\x14\xe8\x8c",
+        .in_sz = 8,
+        .rv = 8,
+        .val = 151288809941952652ull,
+    },
+};
+
+
+int
+main (void)
+{
+    const struct test_read_varint *test;    
+    const struct test_read_varint *const end
+        = read_tests + sizeof(read_tests) / sizeof(read_tests[0]);
+    size_t input_sz, avail;
+    struct varint_read_state state;
+    const unsigned char *p, *endp;
+    int s;
+
+    for (test = read_tests; test < end; ++test)
+    {
+        uint64_t val;
+        const int rv = vint_read(test->input, test->input + test->in_sz, &val);
+        assert(rv == test->rv);
+        if (test->rv > 0)
+            assert(val == test->val);
+
+        /* Test non-blocking read */
+        for (input_sz = MAX_INPUT_SZ; input_sz > 0; --input_sz)
+        {
+            state.pos = 0;
+            p = test->input;
+            endp = p + test->in_sz;
+            while (p < endp)
+            {
+                avail = (uintptr_t) (endp - p);
+                if (avail > input_sz)
+                    avail = input_sz;
+                s = lsquic_varint_read_nb(&p, p + avail, &state);
+                if (0 == s)
+                {
+                    assert(state.val == test->val);
+                    assert(p <= endp);
+                    break;
+                }
+                else if (p == endp)
+                {
+                    assert(test->rv == -1);
+                    break;
+                }
+                else
+                {
+                    assert(p < endp);
+                }
+            }
+        }
+    }
+
+    return 0;
+}