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Cleanup: UintUtilsTest was only partly executed.

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Dennis Guse
2025-10-18 21:28:49 +02:00
parent 65f8ba16b3
commit b16e9ad964
1 changed files with 28 additions and 24 deletions
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src/androidTest/java/de/dennisguse/opentracks/sensors/UintUtilsTest.java
+28 -24
View File
@@ -1,50 +1,54 @@
package de.dennisguse.opentracks.sensors;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThrows;
import org.junit.Test;
public class UintUtilsTest {
@Test
public void diff() {
public void diff_uint16_valid() {
assertEquals(0, UintUtils.diff(1, 1, UintUtils.UINT16_MAX));
assertEquals(1, UintUtils.diff(2, 1, UintUtils.UINT16_MAX));
assertEquals(3, UintUtils.diff(5, 2, UintUtils.UINT16_MAX));
assertEquals(65535, UintUtils.diff(1, 2, UintUtils.UINT16_MAX)); /* unsigned 16 arithmetic is modulo UINT16_MAX + 1, not modulo UINT16_MAX */
assertEquals(65530, UintUtils.diff(UintUtils.UINT16_MAX, 5, UintUtils.UINT16_MAX));
}
@Test
public void diff_uint16_invalid() {
/* Test modulo arithmetic for arguments that are out of range */
assertThrows(RuntimeException.class, () -> UintUtils.diff(65537, 1, UintUtils.UINT16_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(1, 65537, UintUtils.UINT16_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(65537, 65537, UintUtils.UINT16_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(-65535, 1, UintUtils.UINT16_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(1, -65535, UintUtils.UINT16_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(-65535, -65535, UintUtils.UINT16_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(-65535, 65537, UintUtils.UINT16_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(65537, -65535, UintUtils.UINT16_MAX));
}
if (false) { /* false means UintUtils.diff() throws if arguments out of range */
assertEquals(0, UintUtils.diff(65537, 1, UintUtils.UINT16_MAX));
assertEquals(0, UintUtils.diff(1, 65537, UintUtils.UINT16_MAX));
assertEquals(0, UintUtils.diff(65537, 65537, UintUtils.UINT16_MAX));
assertEquals(0, UintUtils.diff(-65535, 1, UintUtils.UINT16_MAX));
assertEquals(0, UintUtils.diff(1, -65535, UintUtils.UINT16_MAX));
assertEquals(0, UintUtils.diff(-65535, -65535, UintUtils.UINT16_MAX));
assertEquals(0, UintUtils.diff(-65535, 65537, UintUtils.UINT16_MAX));
assertEquals(0, UintUtils.diff(65537, -65535, UintUtils.UINT16_MAX));
}
/* The following tests are the above, but for 32-bit unsigned. */
@Test
public void diff_uint32() {
assertEquals(0, UintUtils.diff(1, 1, UintUtils.UINT32_MAX));
assertEquals(1, UintUtils.diff(2, 1, UintUtils.UINT32_MAX));
assertEquals(3, UintUtils.diff(5, 2, UintUtils.UINT32_MAX));
assertEquals(4294967295L, UintUtils.diff(1, 2, UintUtils.UINT32_MAX));
assertEquals(4294967290L, UintUtils.diff(UintUtils.UINT32_MAX, 5, UintUtils.UINT32_MAX));
}
if (false) { /* false means UintUtils.diff() throws if arguments out of range */
assertEquals(0, UintUtils.diff(4294967297L, 1, UintUtils.UINT32_MAX));
assertEquals(0, UintUtils.diff(1, 4294967297L, UintUtils.UINT32_MAX));
assertEquals(0, UintUtils.diff(4294967297L, 4294967297L, UintUtils.UINT32_MAX));
assertEquals(0, UintUtils.diff(-4294967295L, 1, UintUtils.UINT32_MAX));
assertEquals(0, UintUtils.diff(1, -4294967295L, UintUtils.UINT32_MAX));
assertEquals(0, UintUtils.diff(-4294967295L, -4294967295L, UintUtils.UINT32_MAX));
assertEquals(0, UintUtils.diff(-4294967295L, 4294967297L, UintUtils.UINT32_MAX));
assertEquals(0, UintUtils.diff(65537, -4294967297L, UintUtils.UINT32_MAX));
}
@Test
public void diff_unint32_invalid() {
/* Test modulo arithmetic for arguments that are out of range */
assertThrows(RuntimeException.class, () -> UintUtils.diff(4294967297L, 1, UintUtils.UINT32_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(1, 4294967297L, UintUtils.UINT32_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(4294967297L, 4294967297L, UintUtils.UINT32_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(-4294967295L, 1, UintUtils.UINT32_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(1, -4294967295L, UintUtils.UINT32_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(-4294967295L, -4294967295L, UintUtils.UINT32_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(-4294967295L, 4294967297L, UintUtils.UINT32_MAX));
assertThrows(RuntimeException.class, () -> UintUtils.diff(65537, -4294967297L, UintUtils.UINT32_MAX));
}
@Test