Examples with Utf8ByteLengthFilter com.android.settings.bluetooth.Utf8ByteLengthFilter used on opensource projects

Example 1 with Utf8ByteLengthFilter

use of com.android.settings.bluetooth.Utf8ByteLengthFilter in project Resurrection_packages_apps_Settings by ResurrectionRemix.

the class Utf8ByteLengthFilterTest method testFilter.

@SmallTest
public void testFilter() {
    // Define the variables
    CharSequence source;
    SpannableStringBuilder dest;
    // Constructor to create a LengthFilter
    InputFilter lengthFilter = new Utf8ByteLengthFilter(10);
    InputFilter[] filters = { lengthFilter };
    // filter() implicitly invoked. If the total length > filter length, the filter will
    // cut off the source CharSequence from beginning to fit the filter length.
    source = "abc";
    dest = new SpannableStringBuilder("abcdefgh");
    dest.setFilters(filters);
    dest.insert(1, source);
    String expectedString1 = "aabbcdefgh";
    assertEquals(expectedString1, dest.toString());
    dest.replace(5, 8, source);
    String expectedString2 = "aabbcabcgh";
    assertEquals(expectedString2, dest.toString());
    dest.insert(2, source);
    assertEquals(expectedString2, dest.toString());
    dest.delete(1, 3);
    String expectedString3 = "abcabcgh";
    assertEquals(expectedString3, dest.toString());
    dest.append("12345");
    String expectedString4 = "abcabcgh12";
    assertEquals(expectedString4, dest.toString());
    // 2 Chinese chars == 6 bytes in UTF-8
    source = "您好";
    dest.replace(8, 10, source);
    assertEquals(expectedString3, dest.toString());
    dest.replace(0, 1, source);
    String expectedString5 = "您bcabcgh";
    assertEquals(expectedString5, dest.toString());
    dest.replace(0, 4, source);
    String expectedString6 = "您好bcgh";
    assertEquals(expectedString6, dest.toString());
    // 2 Latin-1 chars == 4 bytes in UTF-8
    source = "£¥";
    dest.delete(2, 6);
    dest.insert(0, source);
    String expectedString7 = "£¥您好";
    assertEquals(expectedString7, dest.toString());
    dest.replace(2, 3, source);
    String expectedString8 = "£¥£好";
    assertEquals(expectedString8, dest.toString());
    dest.replace(3, 4, source);
    String expectedString9 = "£¥££¥";
    assertEquals(expectedString9, dest.toString());
    // filter() explicitly invoked
    dest = new SpannableStringBuilder("abcdefgh");
    CharSequence beforeFilterSource = "TestLengthFilter";
    String expectedAfterFilter = "TestLength";
    CharSequence actualAfterFilter = lengthFilter.filter(beforeFilterSource, 0, beforeFilterSource.length(), dest, 0, dest.length());
    assertEquals(expectedAfterFilter, actualAfterFilter);
}