// This program tests stage 1 of the LetterInventory class.
import java.util.*;
import java.io.*;

public class Test1 {
    public static String[] STRINGS = new String[] {"abc", "abcdefghijklmnopqrstuvwxyz", "hello", "Hello", "how are you?", "42", "ZZZ", "Do ALL CAPS bother you--when you read??", "xyzzy", ",,;^&@0123456789   --!!??", "", "   ", "foo BARbaz", "The.Rain.In.Spain.falls.MAINLY.in.THE.plain--!"};                              
                                    
    public static void main(String[] args) {
        LetterInventory[] inventories = new LetterInventory[STRINGS.length];
        testConstructor(inventories, STRINGS);
        testSize(inventories, STRINGS);
        testIsEmpty(inventories, STRINGS);
        testGet(inventories, STRINGS);
        testToString(inventories, STRINGS);
    }

    // pre : arrays have been initalized with correct size
    // post: inventories and strings arrays populated if no error encountered
    public static void testConstructor(LetterInventory[] inventories, String[] strings) {
        System.out.println("Testing constructor...");
        for (int i = 0; i < strings.length; i++) {
            System.out.print("  \"" + strings[i] + "\"");
            if (i != strings.length - 1) {
               System.out.print(",");
            }
            
            if (i % 4 == 0 && i != 0) {
               System.out.println();
            }
            
            try {
                inventories[i] = new LetterInventory(strings[i]);
            } catch (Exception e) {
                System.out.println("...failed");
                System.out.println("        threw exception: " + e);
                int line = e.getStackTrace()[0].getLineNumber();
                System.out.println("        in LetterInventory line#" + line);
                System.exit(1);
            }
        }
        System.out.println();
        System.out.println();
    }

    // pre : inventories and strings contain a series of test cases;
    // post: prints result of testing, exiting the program if an error is seen
    public static void testSize(LetterInventory[] inventories,
                                String[] strings) {
        System.out.println("Testing size...");
        for (int i = 0; i < strings.length; i++) {
            System.out.print("    testing \"" + strings[i] + "\"");
            int test = 0;
            try {
                test = inventories[i].size();
            } catch (Exception e) {
                System.out.println("...failed");
                System.out.println("        threw exception: " + e);
                int line = e.getStackTrace()[0].getLineNumber();
                System.out.println("        in LetterInventory line#" + line);
                System.exit(1);
            }
            
            System.out.println(" .size() = " + test);
        }
        System.out.println();
    }

    // pre : inventories and strings contain a series of test cases;
    // post: prints result of testing, exiting the program if an error is seen
    public static void testToString(LetterInventory[] inventories, String[] strings) {
        System.out.println("Testing toString...");
        for (int i = 0; i < strings.length; i++) {
            System.out.print("    testing \"" + strings[i] + "\"");
            String test = "";
            try {
                test = inventories[i].toString();
            } catch (Exception e) {
                System.out.println("...failed");
                System.out.println("        threw exception: " + e);
                int line = e.getStackTrace()[0].getLineNumber();
                System.out.println("        in LetterInventory line#" + line);
                System.exit(1);
            }
            
            System.out.println(test);
        }
        System.out.println();
    }

    // pre : inventories and strings contain a series of test cases;
    // post: prints result of testing, exiting the program if an error is seen
    public static void testGet(LetterInventory[] inventories, String[] strings) {
        System.out.println("Testing get...");
        for (int i = 0; i < strings.length; i++) {
            System.out.println("    testing \"" + strings[i] + "\"");
            for (char ch = 'a'; ch <= 'z'; ch++) {
                // int correct = input.nextInt();
                if ((ch - 'a') % 3 == 0 && ch != 'a') {
                  System.out.println();
                }
                testLetter(ch, inventories[i], strings[i]);
                testLetter(Character.toUpperCase(ch), inventories[i], strings[i]);
            }
            System.out.println("");
            System.out.println("");
        }
        System.out.println();
    }

    // post: tests whether a call on get for the given character returns the
    //       given count, exiting the program if an error is seen
    public static void testLetter(char ch, LetterInventory inventory, String s) {
        int test = 0;
        try {
            test = inventory.get(ch);
        } catch (Exception e) {
            System.out.println("...failed for get on '" + ch + "'");
            System.out.println("        threw exception: " + e);
            int line = e.getStackTrace()[0].getLineNumber();
            System.out.println("        in LetterInventory line#" + line);
            System.exit(1);
        }
        System.out.print(" .get('" +  ch + "')=" + test);
    }

    // pre : inventories and strings contain a series of test cases; 
    // post: prints result of testing, exiting the program if an error is seen
    public static void testIsEmpty(LetterInventory[] inventories, String[] strings) {
        System.out.println("Testing isEmpty...");
        for (int i = 0; i < strings.length; i++) {
            System.out.print("    testing \"" + strings[i] + "\"");
            boolean test = false;
            try {
                test = inventories[i].isEmpty();
            } catch (Exception e) {
                System.out.println("...failed");
                System.out.println("        threw exception: " + e);
                int line = e.getStackTrace()[0].getLineNumber();
                System.out.println("        in LetterInventory line#" + line);
                System.exit(1);
            }
            
            System.out.println(" .isEmpty() = " + test);
        }
        System.out.println();
    }
}