stringConsInsn.setReceiver(program.createVariable());
stringConsInsn.setConstant("foo");
block.getInstructions().add(stringConsInsn);
program = inputOutput(program);
block = program.basicBlockAt(0);
assertThat(block.getInstructions().size(), is(7));
assertThat(block.getInstructions().get(0), instanceOf(ClassConstantInstruction.class));
assertThat(block.getInstructions().get(1), instanceOf(NullConstantInstruction.class));
assertThat(block.getInstructions().get(2), instanceOf(IntegerConstantInstruction.class));