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d14e8a60e8
* testing: improve test coverage DuplicateBracketsTest * style: fix formatting checkstyle * style: fix formatting checkstyle --------- Co-authored-by: Deniz Altunkapan <93663085+DenizAltunkapan@users.noreply.github.com>
56 lines
2.1 KiB
Java
56 lines
2.1 KiB
Java
package com.thealgorithms.stacks;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import java.util.stream.Stream;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.CsvSource;
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import org.junit.jupiter.params.provider.MethodSource;
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class DuplicateBracketsTest {
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@ParameterizedTest
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@CsvSource({"'((a + b) + (c + d))'", "'(a + b)'", "'a + b'", "'('", "''", "'a + (b * c) - d'", "'(x + y) * (z)'", "'(a + (b - c))'"})
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void testInputReturnsFalse(String input) {
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assertFalse(DuplicateBrackets.check(input));
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}
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@ParameterizedTest
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@CsvSource({"'(a + b) + ((c + d))'", "'((a + b))'", "'((((a + b)))))'", "'((x))'", "'((a + (b)))'", "'(a + ((b)))'", "'(((a)))'", "'(((())))'"})
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void testInputReturnsTrue(String input) {
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assertTrue(DuplicateBrackets.check(input));
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}
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@Test
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void testInvalidInput() {
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assertThrows(IllegalArgumentException.class, () -> DuplicateBrackets.check(null));
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}
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@ParameterizedTest(name = "Should be true: \"{0}\"")
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@MethodSource("provideInputsThatShouldReturnTrue")
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void testDuplicateBracketsTrueCases(String input) {
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assertTrue(DuplicateBrackets.check(input));
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}
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static Stream<Arguments> provideInputsThatShouldReturnTrue() {
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return Stream.of(Arguments.of("()"), Arguments.of("(( ))"));
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}
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@ParameterizedTest(name = "Should be false: \"{0}\"")
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@MethodSource("provideInputsThatShouldReturnFalse")
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void testDuplicateBracketsFalseCases(String input) {
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assertFalse(DuplicateBrackets.check(input));
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}
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static Stream<Arguments> provideInputsThatShouldReturnFalse() {
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return Stream.of(Arguments.of("( )"), // whitespace inside brackets
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Arguments.of("abc + def"), // no brackets
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Arguments.of("(a + (b * c)) - (d / e)") // complex, but no duplicates
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);
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}
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}
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