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smoke: handle allocation failure and NULL te_compile() result #147

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smoke: handle allocation failure and NULL te_compile() result #147

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13 changes: 13 additions & 0 deletions smoke.c
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Original file line number Diff line number Diff line change
Expand Up @@ -565,6 +565,11 @@ void test_optimize() {
int err;
te_expr *ex = te_compile(expr, 0, 0, &err);
lok(ex);
if (!ex) {
/* te_compile() failed: record the failure via lok() above and
* skip this case instead of dereferencing NULL. */
continue;
}

/* The answer should be know without
* even running eval. */
Expand Down Expand Up @@ -812,6 +817,10 @@ void test_depth() {

/* ((((...1...)))) */
char *expr = malloc(depth * 2 + 2);
if (!expr) {
lok(0);
continue;
}
memset(expr, '(', depth);
expr[depth] = '1';
memset(expr + depth + 1, ')', depth);
Expand All @@ -823,6 +832,10 @@ void test_depth() {

/* sin sin sin ... 1 */
expr = malloc(depth * 4 + 2);
if (!expr) {
lok(0);
continue;
}
for (j = 0; j < depth; ++j) memcpy(expr + j * 4, "sin ", 4);
expr[depth * 4] = '1';
expr[depth * 4 + 1] = '\0';
Expand Down