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package com.google.refine.expr.functions.strings;

import org.testng.Assert;
import org.testng.annotations.Test;

import com.google.refine.RefineTest;
import com.google.refine.expr.EvalError;
import com.google.refine.util.TestUtils;

public class ToTitlecaseTests extends RefineTest {
    @Test
    public void serializeToTitlecase() {
        String json = "{\"description\":\"Returns s converted to titlecase\",\"params\":\"string s\",\"returns\":\"string\"}";
        TestUtils.isSerializedTo(new ToTitlecase(), json);
    }

    @Test
    public void testToTitlecaseInvalidParams() {
        Assert.assertTrue(invoke("toTitlecase") instanceof EvalError);
        Assert.assertTrue(invoke("toTitlecase", "one","two","three") instanceof EvalError);
    }

    @Test
    public void testToTitlecase() {
        Assert.assertEquals((String)(invoke("toTitlecase", "one")),"One");
        Assert.assertEquals((String)(invoke("toTitlecase", "ONE")),"One");
        Assert.assertEquals((String)(invoke("toTitlecase", "one two three")),"One Two Three");
        Assert.assertEquals((String)(invoke("toTitlecase", "C.R. SANDIDGE WINES, INC.")),"C.R. Sandidge Wines, Inc.");
        Assert.assertEquals((String)(invoke("toTitlecase", "C.R. SANDIDGE WINES, INC.",",. ")),"C.R. Sandidge Wines, Inc.");
        Assert.assertEquals((String)(invoke("toTitlecase", "one-two-three","-")),"One-Two-Three");
    }

}

