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-rw-r--r--v_windows/v/old/vlib/v/tests/conversions_test.v16
1 files changed, 16 insertions, 0 deletions
diff --git a/v_windows/v/old/vlib/v/tests/conversions_test.v b/v_windows/v/old/vlib/v/tests/conversions_test.v
new file mode 100644
index 0000000..9d281e2
--- /dev/null
+++ b/v_windows/v/old/vlib/v/tests/conversions_test.v
@@ -0,0 +1,16 @@
+fn test_conv_to_bool() {
+ v := 0
+ mut b := v != 0
+ assert !b
+ b = u64(&v) != 0
+ assert b
+ // check true -> 1
+ assert int(b) == 1
+
+ // branchless tests (can be important for manual optimization)
+ arr := [7, 8]!
+ e := arr[int(b)]
+ assert e == 8
+ b = e < 0
+ assert arr[int(b)] == 7
+}