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[java-inspections] StringConcatenationInLoops: the quick-fix produces incorrect result

Browse Source 
IDEA-306289

GitOrigin-RevId: 89cc6c4a394107e2c9eb8995915f28583a607231
This commit is contained in:
Andrey Cherkasov
2022-11-28 16:40:39 +04:00
committed by intellij-monorepo-bot
parent a1c599bdce
commit 7e0d6a7f1a
5 changed files with 90 additions and 9 deletions
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20
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/stringConcatInLoop/afterConcatBoxed.java Normal file
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@@ -0,0 +1,20 @@
// "Fix all 'String concatenation in loop' problems in file" "true"
public class Main {
void test(String[] strings) {
StringBuilder result1 = new StringBuilder();
StringBuilder result2 = new StringBuilder();
StringBuilder result3 = new StringBuilder();
StringBuilder result4 = new StringBuilder();
StringBuilder result5 = new StringBuilder();
StringBuilder result6 = new StringBuilder();
for (Integer i = 0; i < strings.length; i++) {
result1.append(i + 1).append(" item: ").append(strings[i]).append(" ");
result2.append(1 + i).append(" item: ").append(strings[i]).append(" ");
result3.append(i).append(" item: ").append(1).append(strings[i]).append(" ");
result4.append(" item: ").append(i).append(1).append(strings[i]).append(" ");
result5.append(" item: " + 1).append(i).append(strings[i]).append(" ");
result6.append(1 + " item: ").append(i).append(strings[i]).append(" ");
}
}
}

20
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/stringConcatInLoop/afterConcatPrimitives.java Normal file
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@@ -0,0 +1,20 @@
// "Fix all 'String concatenation in loop' problems in file" "true"
public class Main {
void test(String[] strings) {
StringBuilder result1 = new StringBuilder();
StringBuilder result2 = new StringBuilder();
StringBuilder result3 = new StringBuilder();
StringBuilder result4 = new StringBuilder();
StringBuilder result5 = new StringBuilder();
StringBuilder result6 = new StringBuilder();
for (int i = 0; i < strings.length; i++) {
result1.append(i + 1).append(" item: ").append(strings[i]).append(" ");
result2.append(1 + i).append(" item: ").append(strings[i]).append(" ");
result3.append(i).append(" item: ").append(1).append(strings[i]).append(" ");
result4.append(" item: ").append(i).append(1).append(strings[i]).append(" ");
result5.append(" item: " + 1).append(i).append(strings[i]).append(" ");
result6.append(1 + " item: ").append(i).append(strings[i]).append(" ");
}
}
}

20
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/stringConcatInLoop/beforeConcatBoxed.java Normal file
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@@ -0,0 +1,20 @@
// "Fix all 'String concatenation in loop' problems in file" "true"
public class Main {
void test(String[] strings) {
String result1 = "";
String result2 = "";
String result3 = "";
String result4 = "";
String result5 = "";
String result6 = "";
for (Integer i = 0; i < strings.length; i++) {
result1 +=<caret> i + 1 + " item: " + strings[i] + " ";
result2 += 1 + i + " item: " + strings[i] + " ";
result3 += i + " item: " + 1 + strings[i] + " ";
result4 += " item: " + i + 1 + strings[i] + " ";
result5 += " item: " + 1 + i + strings[i] + " ";
result6 += 1 + " item: " + i + strings[i] + " ";
}
}
}

20
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/stringConcatInLoop/beforeConcatPrimitives.java Normal file
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@@ -0,0 +1,20 @@
// "Fix all 'String concatenation in loop' problems in file" "true"
public class Main {
void test(String[] strings) {
String result1 = "";
String result2 = "";
String result3 = "";
String result4 = "";
String result5 = "";
String result6 = "";
for (int i = 0; i < strings.length; i++) {
result1 +=<caret> i + 1 + " item: " + strings[i] + " ";
result2 += 1 + i + " item: " + strings[i] + " ";
result3 += i + " item: " + 1 + strings[i] + " ";
result4 += " item: " + i + 1 + strings[i] + " ";
result5 += " item: " + 1 + i + strings[i] + " ";
result6 += 1 + " item: " + i + strings[i] + " ";
}
}
}