add replace test cases

HISTORY.md

@@ -5,6 +5,7 @@ This file is a version history of jacotest amendments.  Entries appear in versio
 | :------------: | :---: | :--- |
 |<img width=90/>|<img width=60/>|<img width=600/>|
 | 2024-08-07 | 3.4.6 | New test cases: stringbuffer-append, stringbuffer-delete, stringbuffer-dynamic, stringbuffer-insert, stringbuffer-misc, stringbuffer-perf. |
+| | | New test cases: stringbuilder-replace, stringbuffer-replace. |
 | 2024-08-07 | 3.4.5 | New test case: stringbuilder-misc. |
 | | | Updated test case solitairgraphy. |
 | 2024-08-06 | 3.4.4 | New test cases: stringbuilder-insert, stringbuilder-delete. |

tests/stringbuffer-replace/main.java

@@ -0,0 +1,70 @@
+
+public class main {
+
+    public static int checker(String label, String expected, String observed) {
+        System.out.printf("checker %s ", label);
+        if (expected.equals(observed)) {
+           System.out.printf(" ok, expected = %s = observed\n", expected);
+            return 0;
+        }
+        System.out.printf(" ********** ERROR, expected = %s, observed = %s\n", expected, observed);
+        return 1;
+    }
+
+    public static int checker(String label, int expected, int observed) {
+        System.out.printf("checker %s ", label);
+        if (expected == observed) {
+            System.out.printf(" ok, expected = %d = observed\n", expected);
+            return 0;
+        }
+        System.out.printf(" ********** ERROR, expected = %d, observed = %d\n", expected, observed);
+        return 1;
+    }
+
+    public static void main(String[] args) {
+        int errorCount = 0;
+
+        StringBuffer sb1 = new StringBuffer("ABCDEFGH");
+        String str = "123";
+
+        StringBuffer sb2 = sb1.replace(3, 6, str);
+        errorCount += checker("sb1.replace(3, 6, str)", "ABC123GH", sb2.toString());
+        errorCount += checker("sb1.capacity(24)", 24, sb1.capacity());
+        errorCount += checker("sb1.length(8)", 8, sb1.length());
+
+        sb2 = sb1.replace(0, 6, str);
+        errorCount += checker("sb1.replace(0, 6, str)", "123GH", sb2.toString());
+        errorCount += checker("sb1.capacity(24)", 24, sb1.capacity());
+        errorCount += checker("sb1.length(5)", 5, sb1.length());
+
+
+        sb1 = new StringBuffer("ABCDEFGHIJKLMNOPQRSTUVWXYZxyz");   
+
+        try {
+            sb1.replace(-3, 6, str);
+            System.out.println("********** ERROR, failed to catch exception 1");
+            errorCount++;
+        } catch(StringIndexOutOfBoundsException ex) {
+            System.out.println("Successfully caught exception 1");
+        }
+
+        try {
+            sb1.replace(3, -6, str);
+            System.out.println("********** ERROR, failed to catch exception 2");
+            errorCount++;
+        } catch(StringIndexOutOfBoundsException ex) {
+            System.out.println("Successfully caught exception 2");
+        }
+
+        try {
+            sb1.replace(33, 6, str);
+            System.out.println("********** ERROR, failed to catch exception 3");
+            errorCount++;
+        } catch(StringIndexOutOfBoundsException ex) {
+            System.out.println("Successfully caught exception 3");
+        }
+
+        assert(errorCount == 0);
+        System.out.printf("No errors\n");
+    }
+}

tests/stringbuilder-replace/main.java

@@ -0,0 +1,70 @@
+
+public class main {
+
+    public static int checker(String label, String expected, String observed) {
+        System.out.printf("checker %s ", label);
+        if (expected.equals(observed)) {
+           System.out.printf(" ok, expected = %s = observed\n", expected);
+            return 0;
+        }
+        System.out.printf(" ********** ERROR, expected = %s, observed = %s\n", expected, observed);
+        return 1;
+    }
+
+    public static int checker(String label, int expected, int observed) {
+        System.out.printf("checker %s ", label);
+        if (expected == observed) {
+            System.out.printf(" ok, expected = %d = observed\n", expected);
+            return 0;
+        }
+        System.out.printf(" ********** ERROR, expected = %d, observed = %d\n", expected, observed);
+        return 1;
+    }
+
+    public static void main(String[] args) {
+        int errorCount = 0;
+
+        StringBuilder sb1 = new StringBuilder("ABCDEFGH");
+        String str = "123";
+
+        StringBuilder sb2 = sb1.replace(3, 6, str);
+        errorCount += checker("sb1.replace(3, 6, str)", "ABC123GH", sb2.toString());
+        errorCount += checker("sb1.capacity(24)", 24, sb1.capacity());
+        errorCount += checker("sb1.length(8)", 8, sb1.length());
+
+        sb2 = sb1.replace(0, 6, str);
+        errorCount += checker("sb1.replace(0, 6, str)", "123GH", sb2.toString());
+        errorCount += checker("sb1.capacity(24)", 24, sb1.capacity());
+        errorCount += checker("sb1.length(5)", 5, sb1.length());
+
+
+        sb1 = new StringBuilder("ABCDEFGHIJKLMNOPQRSTUVWXYZxyz");   
+
+        try {
+            sb1.replace(-3, 6, str);
+            System.out.println("********** ERROR, failed to catch exception 1");
+            errorCount++;
+        } catch(StringIndexOutOfBoundsException ex) {
+            System.out.println("Successfully caught exception 1");
+        }
+
+        try {
+            sb1.replace(3, -6, str);
+            System.out.println("********** ERROR, failed to catch exception 2");
+            errorCount++;
+        } catch(StringIndexOutOfBoundsException ex) {
+            System.out.println("Successfully caught exception 2");
+        }
+
+        try {
+            sb1.replace(33, 6, str);
+            System.out.println("********** ERROR, failed to catch exception 3");
+            errorCount++;
+        } catch(StringIndexOutOfBoundsException ex) {
+            System.out.println("Successfully caught exception 3");
+        }
+
+        assert(errorCount == 0);
+        System.out.printf("No errors\n");
+    }
+}