maddiefuzz/padlock-solver
maddiefuzz/padlock-solver
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Add option to fast forward sleeping

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This commit is contained in:
Rui Hu 2024-03-13 17:34:11 +08:00
parent 45faf97cea
commit f005187a72
4 changed files with 7 additions and 16 deletions
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1
build.gradle.kts
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@ -27,4 +27,5 @@ java {
tasks.test { tasks.test {
useJUnitPlatform() useJUnitPlatform()
jvmArgs = listOf("-Dfast=true")
} }

1
padlock-impl/build.gradle.kts
View File

@ -21,4 +21,5 @@ java {
tasks.test { tasks.test {
useJUnitPlatform() useJUnitPlatform()
jvmArgs = listOf("-Dfast=true")
} }

15
padlock-impl/src/main/java/com/cleverthis/interview/padlock/PadlockImpl.java
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@ -27,7 +27,7 @@ import static com.cleverthis.interview.padlock.Utils.ensureSleep;
* After create, the input buffer is empty, you have to initialize. * After create, the input buffer is empty, you have to initialize.
*/ */
public class PadlockImpl { public class PadlockImpl {
private final boolean debug; private final boolean fast = Boolean.parseBoolean(System.getProperty("fast"));
private final int numpadSize; private final int numpadSize;
private final Integer[] inputBuffer; private final Integer[] inputBuffer;
private final Integer[] correctPasscode; private final Integer[] correctPasscode;
@ -38,17 +38,6 @@ public class PadlockImpl {
* @param numpadSize The number of buttons on the numpad of this lock. * @param numpadSize The number of buttons on the numpad of this lock.
*/ */
public PadlockImpl(int numpadSize) { public PadlockImpl(int numpadSize) {
this(numpadSize, false);
}
/**
* Create a padlock instance.
*
* @param numpadSize The number of buttons on the numpad of this lock.
* @param debug Will skip sleep if is true
*/
PadlockImpl(int numpadSize, boolean debug) {
this.debug = debug;
if (numpadSize < 1) throw new IllegalArgumentException("numpadSize must be a positive number"); if (numpadSize < 1) throw new IllegalArgumentException("numpadSize must be a positive number");
this.numpadSize = numpadSize; this.numpadSize = numpadSize;
this.inputBuffer = new Integer[numpadSize]; this.inputBuffer = new Integer[numpadSize];
@ -73,7 +62,7 @@ public class PadlockImpl {
* @return The old value, null if not initialized. * @return The old value, null if not initialized.
*/ */
public synchronized Integer writeInputBuffer(int address, int keyIndex) { public synchronized Integer writeInputBuffer(int address, int keyIndex) {
if (!debug) ensureSleep(1000); if (!fast) ensureSleep(1000);
if (keyIndex < 0 || keyIndex >= numpadSize) if (keyIndex < 0 || keyIndex >= numpadSize)
throw new IllegalArgumentException( throw new IllegalArgumentException(
"keyIndex out of range. Keypad size: " + numpadSize + ", keyIndex: " + keyIndex); "keyIndex out of range. Keypad size: " + numpadSize + ", keyIndex: " + keyIndex);

6
padlock-impl/src/test/java/com/cleverthis/interview/padlock/PadlockTest.java
View File

@ -22,7 +22,7 @@ class PadlockTest {
@Test @Test
void testInstantiationRest() { void testInstantiationRest() {
PadlockImpl padlock = new PadlockImpl(5, true); PadlockImpl padlock = new PadlockImpl(5);
for (int i = 0; i < 5; i++) { for (int i = 0; i < 5; i++) {
// ensure input buffer is uninitialized // ensure input buffer is uninitialized
// should return null when first set // should return null when first set
@ -34,7 +34,7 @@ class PadlockTest {
@Test @Test
void testRejectInvalidInput() { void testRejectInvalidInput() {
PadlockImpl padlock = new PadlockImpl(5, true); PadlockImpl padlock = new PadlockImpl(5);
for (int i = 0; i < 3; i++) { for (int i = 0; i < 3; i++) {
padlock.writeInputBuffer(i, i); padlock.writeInputBuffer(i, i);
} }
@ -54,7 +54,7 @@ class PadlockTest {
@Test @Test
void testRejectInvalidInputBufferAddressAndValue() { void testRejectInvalidInputBufferAddressAndValue() {
PadlockImpl padlock = new PadlockImpl(5, true); PadlockImpl padlock = new PadlockImpl(5);
// test address // test address
assertThrows(ArrayIndexOutOfBoundsException.class, () -> padlock.writeInputBuffer(-1, 1)); assertThrows(ArrayIndexOutOfBoundsException.class, () -> padlock.writeInputBuffer(-1, 1));
assertThrows(ArrayIndexOutOfBoundsException.class, () -> padlock.writeInputBuffer(-10, 1)); assertThrows(ArrayIndexOutOfBoundsException.class, () -> padlock.writeInputBuffer(-10, 1));