@Test
public void shouldEndReadingEmptyArray() {
// given
JsonReader reader = new JsonReader(new StringReader("[]"));
CoverageJsonReader coverageReader = new CoverageJsonReader(reader);
// when
try {
coverageReader.startReading();
coverageReader.endReading();
} catch (IOException e) {
// then
e.printStackTrace();
fail("Did not expect IOException");
return;
}
// then pass!
return;
}
@Test
public void shouldThrowExceptionWhenReadingArrayStart() {
// given
JsonReader reader = new JsonReader(new StringReader("["));
CoverageJsonReader coverageReader = new CoverageJsonReader(reader);
// when
try {
coverageReader.endReading();
} catch (IllegalStateException e) {
// then
assertThat(e.getMessage(), startsWith("Expected END_ARRAY but was BEGIN_ARRAY"));
return;
} catch (IOException e) {
// or then
e.printStackTrace();
fail("Did not expect IOException");
return;
}
// or, then
fail("Expected an IllegalStateException to be thrown");
}
@Test
public void shouldThrowMalformedJsonException_WithOnlyArrayEnd_WithoutArrayStart() {
// given
JsonReader reader = new JsonReader(new StringReader("]"));
CoverageJsonReader coverageReader = new CoverageJsonReader(reader);
// when
try {
coverageReader.endReading();
} catch (MalformedJsonException e) {
// then
assertThat(e.getMessage(), startsWith("Unexpected value"));
return;
} catch (IOException e) {
// then
e.printStackTrace();
fail("Did not expect IOException");
return;
}
// or, then pass!
fail("Expected MalformedException");
}
@Test
public void shouldThrowEOFExceptionWhenReadingSingleTab() {
// given
JsonReader reader = new JsonReader(new StringReader("\t"));
CoverageJsonReader coverageReader = new CoverageJsonReader(reader);
// when
try {
coverageReader.endReading();
} catch (EOFException e) {
// then
assertThat(e.getMessage(), equalTo("End of input at line 1 column 2"));
return;
} catch (IOException e) {
// or, then
e.printStackTrace();
fail("Did not expect IOException");
return;
}
// or, then
fail("Expected an EOFException to be thrown");
}