29 lines
1.1 KiB
Java
29 lines
1.1 KiB
Java
package com.baeldung.stringisnumeric;
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import static org.assertj.core.api.Assertions.assertThat;
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import org.apache.commons.lang3.math.NumberUtils;
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import org.junit.Test;
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public class NumberUtilsIsCreatableUnitTest {
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@Test
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public void givenApacheCommons_whenUsingIsParsable_thenTrue() {
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// Valid Numbers
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assertThat(NumberUtils.isCreatable("22")).isTrue();
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assertThat(NumberUtils.isCreatable("5.05")).isTrue();
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assertThat(NumberUtils.isCreatable("-200")).isTrue();
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assertThat(NumberUtils.isCreatable("10.0d")).isTrue();
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assertThat(NumberUtils.isCreatable("1000L")).isTrue();
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assertThat(NumberUtils.isCreatable("0xFF")).isTrue();
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assertThat(NumberUtils.isCreatable("07")).isTrue();
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assertThat(NumberUtils.isCreatable("2.99e+8")).isTrue();
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// Invalid Numbers
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assertThat(NumberUtils.isCreatable(null)).isFalse();
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assertThat(NumberUtils.isCreatable("")).isFalse();
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assertThat(NumberUtils.isCreatable("abc")).isFalse();
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assertThat(NumberUtils.isCreatable(" 22 ")).isFalse();
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assertThat(NumberUtils.isCreatable("09")).isFalse();
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}
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}
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