trimLen:  5,
			expected: []int{},
		},
		{
			name:     "Zero trim length",
			input:    []int{1, 2, 3},
			trimLen:  0,
			expected: []int{1, 2, 3},
		},
		{
			name:     "Trim one element from end",
			input:    []int{1, 2, 3},
			trimLen:  1,
			expected: []int{1, 2},
		},
		{
			name:     "Empty slice",
			input:    []int{},
			trimLen:  2,
			expected: []int{},

}

// RTrimSlice Right trims the given slice by given length
func RTrimSlice[T any](v []T, trimLen int) []T {
	if trimLen >= len(v) { // trimLen greater than slice len means fully sliced
		return v[:0]
	}
	if trimLen < 0 { // negative trimLen is ignored
		return v[:]
	}
	return v[:len(v)-trimLen]

        String stdout = getStdout(new String[] {"git", "show", "--format=%P", "--no-patch", "--no-show-signature", commit});
        String trimmed = stdout.trim();
        if (trimmed.isEmpty()) {
            return Collections.emptyList();
        }
        return Arrays.stream(trimmed.split("\\s+"))
            .map(String::trim)
            .filter(s -> !s.isEmpty())
            .collect(Collectors.toList());
    }

        assertNull(doc.get("content_ja")); // content field was not present
    }

    @Test
    public void test_getSupportedLanguage_withWhitespace() {
        // Test that whitespace is not trimmed (as per implementation)
        assertNull(languageHelper.getSupportedLanguage(" ja "));
        assertNull(languageHelper.getSupportedLanguage("ja "));
        assertNull(languageHelper.getSupportedLanguage(" ja"));
    }

        PagingList<CharMappingItem> result = charMappingFile.selectList(0, 10);
        assertEquals(1, result.size());
        CharMappingItem item = result.get(0);
        // Individual input elements are not trimmed after split
        assertArrayEquals(new String[] { "a ", " b" }, item.getInputs());
        assertEquals("c", item.getOutput());
    }

    // Test update method with InputStream
    @Test

ules.other.doubleBlankLine.test(p)&&(a=!0)),i.items.push({type:"list_item",raw:p,task:!!this.options.gfm&&this.rules.other.listIsTask.test(c),loose:!1,text:c,tokens:[]}),i.raw+=p}let o=i.items.at(-1);if(o)o.raw=o.raw.trimEnd(),o.text=o.text.trimEnd();else return;i.raw=i.raw.trimEnd();for(let u of i.items){if(this.lexer.state.top=!1,u.tokens=this.lexer.blockTokens(u.text,[]),u.task){if(u.text=u.text.replace(this.rules.other.listReplaceTask,""),u.tokens[0]?.type==="text"||u.tokens[0]?.type==="para...

        // system + 6 history (last 6: Q2,A2,Q3,A3,Q4,A4) + user = 8 messages
        assertEquals(8, messages.size());
        // First history message should be Q2 (Q1,A1 trimmed)
        assertEquals("Q2", messages.get(1).getContent());
        assertEquals("A2", messages.get(2).getContent());
        assertEquals("Q3", messages.get(3).getContent());