Test coverage analyzer

Details Test coverage analyzer Test coverage analyzer

1989-12-29

1991-09-17

Beausoliel, Robert W.

Excavating

364200, 36426791, G06F 1100

Patent

active

050501682

ABSTRACT:
A test coverage analyzer (computer program) for monitoring the execution of a target program to determine which target program instructions have been executed. The analyzer first executes a portion of the target program in step mode, in which target program instruction are executed one at a time. In step mode, the analyzer maintains data indicating which target program instructions have been executed. When a branch is encountered, the analyzer inserts breakpoints in the target program at the first instructions of the branches that are not taken. When the analyzer determines that the target program instruction being executed has already been executed, it switches to run mode, so that the target program begins executing at its normal running speed. This continues until one of the inserted breakpoints is encountered, at which point the analyzer removes the breakpoint and switches back to step mode.

REFERENCES:
patent: 4635193 (1987-01-01), Moyer
patent: 4853851 (1989-08-01), Horsch
patent: 4866665 (1989-09-01), Haswell-Smith
patent: 4910663 (1990-03-01), Bailey
"Testing Techniques Newsletter", vol. 12, No. 2, Winter 1989/90, Software Research, Inc. (4 pages).
"SR Product Summary", Software Research, Inc. (4 pages).
Product Information (2 pages), TCAT/C: Test Coverage Analysis Tool for `C`, Software Research, Inc.

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