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fix: handle incorrect inputs in StackPostfixNotation #4261

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Merged
merged 7 commits into from
Jul 26, 2023
Merged

fix: handle incorrect inputs in StackPostfixNotation #4261

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ecaf8cd
tests: add `StackPostfixNotationTest`
vil02 Jul 25, 2023
326b6fe
tests: add testcase with single integer
vil02 Jul 25, 2023
b47bbf2
fix: handle empty input
vil02 Jul 25, 2023
0a4b299
fix: hanle more incorrect inputs
vil02 Jul 25, 2023
27d8267
refactor: make `StackPostfixNotation` a proper utility class
vil02 Jul 25, 2023
98b1d08
tests: add test case with `-`
vil02 Jul 25, 2023
ee6634e
Merge branch 'master' into add_tests_stack_postfix_evaluation
siriak Jul 26, 2023
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tests: add testcase with single integer
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@vil02
vil02 committed Jul 25, 2023
commit 326b6feceefb33f01b821e37346c53d8f424cd8b
4 changes: 2 additions & 2 deletions src/test/java/com/thealgorithms/others/StackPostfixNotationTest.java
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Expand Up @@ -8,8 +8,8 @@

public class StackPostfixNotationTest {
@Test
public void testGetWithNewObject() {
final Map<String, Integer> testCases = Map.ofEntries(entry("1 1 +", 2), entry("2 3 *", 6), entry("6 2 /", 3), entry("5 2 + 3 *", 21));
public void testEvaluate() {
final Map<String, Integer> testCases = Map.ofEntries(entry("1 1 +", 2), entry("2 3 *", 6), entry("6 2 /", 3), entry("5 2 + 3 *", 21), entry("-5", -5));
for (final var tc : testCases.entrySet()) {
assertEquals(tc.getValue(), StackPostfixNotation.postfixEvaluate(tc.getKey()));
}
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