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Merge pull request justauth#34 from Diffblue-benchmarks/add-tests-for…
…-stringutils-2 Add tests for me.zhyd.oauth.utils.StringUtils
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| package me.zhyd.oauth.utils; | ||
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| import org.junit.Assert; | ||
| import org.junit.Rule; | ||
| import org.junit.Test; | ||
| import org.junit.rules.ExpectedException; | ||
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| public class StringUtilsTest { | ||
| @Rule public final ExpectedException thrown = | ||
| ExpectedException.none(); | ||
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| @Test | ||
| public void isEmptyNonEmptyInput() { | ||
| Assert.assertFalse(StringUtils.isEmpty("non-empty string")); | ||
| } | ||
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| @Test | ||
| public void isEmptyEmptyInput() { | ||
| Assert.assertTrue(StringUtils.isEmpty("")); | ||
| } | ||
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| @Test | ||
| public void isEmptyInputNull() { | ||
| Assert.assertTrue(StringUtils.isEmpty(null)); | ||
| } | ||
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| @Test | ||
| public void isNotEmptyNonEmptyInput() { | ||
| Assert.assertTrue(StringUtils.isNotEmpty("non-empty string")); | ||
| } | ||
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| @Test | ||
| public void isNotEmptyEmptyInput() { | ||
| Assert.assertFalse(StringUtils.isNotEmpty("")); | ||
| } | ||
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| @Test | ||
| public void isNotEmptyInputNull() { | ||
| Assert.assertFalse(StringUtils.isNotEmpty(null)); | ||
| } | ||
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| @Test | ||
| public void appendIfNotContainAppendedStringNotPresent() { | ||
| // (Check the case where appendStr doesn't occur in str) | ||
| final String str = "Prefix "; | ||
| final String appendStr = "suffix"; | ||
| final String otherwise = "should be discarded"; | ||
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| final String result = | ||
| StringUtils.appendIfNotContain(str, appendStr, otherwise); | ||
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| Assert.assertEquals("Prefix suffix", result); | ||
| } | ||
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| @Test | ||
| public void appendIfNotContainAppendedStringPresent() { | ||
| // (Check the case where appendStr occurs in str) | ||
| final String str = "Prefix "; | ||
| final String appendStr = "Prefix"; | ||
| final String otherwise = "should be appended"; | ||
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| final String result = | ||
| StringUtils.appendIfNotContain(str, appendStr, otherwise); | ||
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| Assert.assertEquals("Prefix should be appended", result); | ||
| } | ||
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| @Test | ||
| public void appendIfNotContainEmptyString() { | ||
| // (Check the special-case for str being empty) | ||
| final String str = ""; | ||
| final String appendStr = "should not be appended"; | ||
| final String otherwise = "should also not be appended"; | ||
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| final String result = | ||
| StringUtils.appendIfNotContain(str, appendStr, otherwise); | ||
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| Assert.assertEquals("", result); | ||
| } | ||
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| @Test | ||
| public void appendIfNotContainAppendingEmptyString() { | ||
| // (Check the special-case for appendStr being empty) | ||
| final String str = "should be kept"; | ||
| final String appendStr = ""; | ||
| final String otherwise = "should also not be appended"; | ||
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| final String result = | ||
| StringUtils.appendIfNotContain(str, appendStr, otherwise); | ||
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| Assert.assertEquals("should be kept", result); | ||
| } | ||
| } |