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AP_HAL: a few more simple tests for snprintf

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Peter Barker 2019-09-12 14:54:24 +10:00 committed by Andrew Tridgell
parent f881e4a248
commit 5dad0e5410
1 changed files with 23 additions and 0 deletions
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23
libraries/AP_HAL/tests/test_vsnprintf.cpp
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@ -34,6 +34,29 @@ TEST(vsnprintf_Test, Basic)
EXPECT_TRUE(streq(output, "0123"));
EXPECT_EQ(bytes_required, 8);
}
{ // ensure rest of buffer survives
memset(output, 'A', 10);
const int bytes_required = snprintf(output, 5, "012345678");
EXPECT_TRUE(streq(output, "0123"));
EXPECT_EQ(bytes_required, 9);
EXPECT_EQ(output[6], 'A');
}
{ // simple float
const int bytes_required = hal.util->snprintf(output, ARRAY_SIZE(output), "%f", 1/3.0);
EXPECT_EQ(bytes_required, 8);
EXPECT_TRUE(streq(output, "0.333333"));
}
{ // less simple float
const int bytes_required = hal.util->snprintf(output, ARRAY_SIZE(output), "%30.9f", 1/3.0);
EXPECT_EQ(bytes_required, 28);
EXPECT_TRUE(streq(output, " 0.3333333"));
}
{ // simple string
const int bytes_required = hal.util->snprintf(output, ARRAY_SIZE(output), "%s %s %c", "ABC", "DEF", 'x');
EXPECT_EQ(bytes_required, 9);
EXPECT_TRUE(streq(output, "ABC DEF x"));
}
}
AP_GTEST_MAIN()