One fairly easy way to verify brake function is by temp. Start off with a cold car (sitting overnight). Then drive a short distance, maybe a mile, and hit the brakes from 40 mph a couple of times. Then park the car and measure the temp of the discs. This is easy if you have an IR thermometer. Otherwise you can just use your finger (carefully). Any too cold are not working and any way too hot are siezed. Temps should be equal left to right and the front will be a little hotter than the rear since they do more work.

Mike

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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra