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authorHiFiPhile <[email protected]>2021-07-17 12:10:35 +0200
committerGitHub <[email protected]>2021-07-17 12:10:35 +0200
commitb194aa240bba9211e01dd9eaf4562e00a7215666 (patch)
treeb9ef8962f6fdac517e7fc8575526f6cdec8467c1 /test
parent475742984f4d0f2b95c9c78dfff71814117feb90 (diff)
parent21bfd11683c4bb6e0996130bd1061a97d3049121 (diff)
Merge branch 'master' into dcd_same70
Diffstat (limited to 'test')
-rw-r--r--test/test/test_fifo.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/test/test/test_fifo.c b/test/test/test_fifo.c
index f9bfc5f03..0a5f4d3b9 100644
--- a/test/test/test_fifo.c
+++ b/test/test/test_fifo.c
@@ -292,3 +292,27 @@ void test_full(void)
// write info
}
+
+void test_rd_idx_wrap()
+{
+ tu_fifo_t ff10;
+ uint8_t buf[10];
+ uint8_t dst[10];
+
+ tu_fifo_config(&ff10, buf, 10, 1, 1);
+
+ uint16_t n;
+
+ ff10.wr_idx = 6;
+ ff10.rd_idx = 15;
+
+ n = tu_fifo_read_n(&ff10, dst, 4);
+ TEST_ASSERT_EQUAL(n, 4);
+ TEST_ASSERT_EQUAL(ff10.rd_idx, 0);
+ n = tu_fifo_read_n(&ff10, dst, 4);
+ TEST_ASSERT_EQUAL(n, 4);
+ TEST_ASSERT_EQUAL(ff10.rd_idx, 4);
+ n = tu_fifo_read_n(&ff10, dst, 4);
+ TEST_ASSERT_EQUAL(n, 2);
+ TEST_ASSERT_EQUAL(ff10.rd_idx, 6);
+} \ No newline at end of file