Abstract: Embodiments of the invention include methods and systems for improving test case coverage. Aspects of the invention include executing, by a processor, a first test case, where the first test case includes a plurality of system calls to an operating system. Prior to execution of each system call in the plurality of system calls in the first test case, executing, by the processor, a pre-exit instruction. Responsive to execution of the pre-exit instruction, collecting pre-exit system call data regarding each system call in the plurality of system calls for the first test case. The processor executes a post-exit instruction after completion of each system call in the plurality of system calls and responsive to execution of the post-exit instruction, collects post-exit system call data regarding each system call in the plurality of system calls for the first test case.

Abstract: Embodiments of the invention include methods and systems for improving test case coverage. Aspects of the invention include executing, by a processor, a first test case, where the first test case includes a plurality of system calls to an operating system. Prior to execution of each system call in the plurality of system calls in the first test case, executing, by the processor, a pre-exit instruction. Responsive to execution of the pre-exit instruction, collecting pre-exit system call data regarding each system call in the plurality of system calls for the first test case. The processor executes a post-exit instruction after completion of each system call in the plurality of system calls and responsive to execution of the post-exit instruction, collects post-exit system call data regarding each system call in the plurality of system calls for the first test case.

Abstract: Embodiments of the invention include systems for testing pre and post system call exits. Aspects include executing a first test case comprises system calls and the first test case initializes a common buffer and stores system call parameters for each of the system calls. A monitoring test case is executed comprising: a pre-exit instruction that is inserted before each system call in the first test case. A post-exit instruction is inserted after each of the system calls in the first test case. Execution of the pre-exit instruction is determined prior to an execution of each system call. A first bit location is set in the common buffer to one, based on determining the pre-exit instruction executes. The system call is executed and execution of the post-exit instruction is determined. A second bit location in the common buffer is set to one based on determining that the post-exit instruction executes.

Abstract: Embodiments of the invention include systems for testing pre and post system call exits. Aspects include executing a first test case comprises system calls and the first test case initializes a common buffer and stores system call parameters for each of the system calls. A monitoring test case is executed comprising: a pre-exit instruction that is inserted before each system call in the first test case. A post-exit instruction is inserted after each of the system calls in the first test case. Execution of the pre-exit instruction is determined prior to an execution of each system call. A first bit location is set in the common buffer to one, based on determining the pre-exit instruction executes. The system call is executed and execution of the post-exit instruction is determined. A second bit location in the common buffer is set to one based on determining that the post-exit instruction executes.

Abstract: Embodiments of the invention include systems for testing pre and post system call exits. Aspects include executing a first test case comprises system calls and the first test case initializes a common buffer and stores system call parameters for each of the system calls. A monitoring test case is executed comprising: a pre-exit instruction that is inserted before each system call in the first test case. A post-exit instruction is inserted after each of the system calls in the first test case. Execution of the pre-exit instruction is determined prior to an execution of each system call. A first bit location is set in the common buffer to one, based on determining the pre-exit instruction executes. The system call is executed and execution of the post-exit instruction is determined. A second bit location in the common buffer is set to one based on determining that the post-exit instruction executes.

Abstract: Embodiments of the invention include systems for testing pre and post system call exits. Aspects include executing a first test case comprises system calls and the first test case initializes a common buffer and stores system call parameters for each of the system calls. A monitoring test case is executed comprising: a pre-exit instruction that is inserted before each system call in the first test case. A post-exit instruction is inserted after each of the system calls in the first test case. Execution of the pre-exit instruction is determined prior to an execution of each system call. A first bit location is set in the common buffer to one, based on determining the pre-exit instruction executes. The system call is executed and execution of the post-exit instruction is determined. A second bit location in the common buffer is set to one based on determining that the post-exit instruction executes.

Abstract: Embodiments of the invention include methods and systems for improving test case coverage. Aspects of the invention include executing, by a processor, a first test case, where the first test case includes a plurality of system calls to an operating system. Prior to execution of each system call in the plurality of system calls in the first test case, executing, by the processor, a pre-exit instruction. Responsive to execution of the pre-exit instruction, collecting pre-exit system call data regarding each system call in the plurality of system calls for the first test case. The processor executes a post-exit instruction after completion of each system call in the plurality of system calls and responsive to execution of the post-exit instruction, collects post-exit system call data regarding each system call in the plurality of system calls for the first test case.

Abstract: Embodiments of the invention include methods and systems for improving test case coverage. Aspects of the invention include executing, by a processor, a first test case, where the first test case includes a plurality of system calls to an operating system. Prior to execution of each system call in the plurality of system calls in the first test case, executing, by the processor, a pre-exit instruction. Responsive to execution of the pre-exit instruction, collecting pre-exit system call data regarding each system call in the plurality of system calls for the first test case. The processor executes a post-exit instruction after completion of each system call in the plurality of system calls and responsive to execution of the post-exit instruction, collects post-exit system call data regarding each system call in the plurality of system calls for the first test case.