@Test
public void shouldThrowExceptionWhenSeveralNegativeValuesAreInput() throws InvalidValueException {
String expectedErrorMessage = "negatives not allowed [-1] [-3] ";
String actualErrorMessage = "";
try {
accumulator.add("//.\n-1.2.-3");
} catch (InvalidValueException exception) {
actualErrorMessage = exception.getMessage();
}
assertTrue(actualErrorMessage.startsWith(expectedErrorMessage));
}
@Test
public void shouldReturnErrorWhenDelimiterOfCustomLengthHasNoDigitsInbeween()
throws InvalidValueException {
String expectedErrorMessage = "Invalid entries not allowed [3&&$]";
String actualErrorMessage = "";
try {
accumulator.add("//&&|$\n3&&$");
} catch (InvalidValueException exception) {
actualErrorMessage = exception.getMessage();
}
assertTrue(actualErrorMessage.contains(expectedErrorMessage));
}
@Test
public void shouldThrowExceptionWhenThereAreNoNumbersBetweenCustomDelimiters()
throws InvalidValueException {
String expectedErrorMessage = " is not a valid number";
String actualErrorMessage = "";
try {
accumulator.add("//%%|^\n1%%^3");
} catch (InvalidValueException exception) {
actualErrorMessage = exception.getMessage();
}
assertThat(actualErrorMessage, is(expectedErrorMessage));
}
@Test
public void
shouldThrowExceptionWhenSeveralNegativeValuesAreInputUsingMulipleDelimitersOfMultipleLength()
throws InvalidValueException {
String expectedErrorMessage = "negatives not allowed [-9] [-3] ";
String actualErrorMessage = "";
try {
accumulator.add("//%%|^\n1%%-9^-3");
} catch (InvalidValueException exception) {
actualErrorMessage = exception.getMessage();
}
assertTrue(actualErrorMessage.startsWith(expectedErrorMessage));
}
