test/wcc: run the unit loops fully in process
000_smoke drops its popen ww -V leg (driver version parity moves to 949_driver_flagargs); 400_w6c feeds its sources through lex/parse/ check/cgen into open_memstream instead of spawning w6c. The five unit binaries now hold zero subprocess calls.
This commit is contained in:
@@ -1,10 +1,8 @@
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/*
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* 000_smoke — Phase 0 smoke test.
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*
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* Asserts:
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* - libwcc symbols (newarena/amalloc/freearena, fatal/errorf/warnf)
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* are linkable.
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* - `ww -V` exits 0 and prints the configured version.
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* Asserts arena allocation and growth through libwcc, plus the configured
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* version constant. Driver behavior belongs to the driver integration tests.
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*/
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#include "ww.h"
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#include <stdlib.h>
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@@ -44,44 +42,11 @@ test_version(void)
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}
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}
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static void
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test_ww_minus_v(void)
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{
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const char *bin = getenv("BIN");
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if (bin == NULL)
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bin = "out/bin";
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char cmd[512];
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snprintf(cmd, sizeof cmd, "%s/ww -V", bin);
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FILE *p = popen(cmd, "r");
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if (p == NULL) {
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fprintf(stderr, "smoke: popen %s\n", cmd);
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exit(1);
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}
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char buf[128];
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size_t n = fread(buf, 1, sizeof buf - 1, p);
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buf[n] = '\0';
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int rc = pclose(p);
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if (rc != 0) {
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fprintf(stderr, "smoke: ww -V exit %d\n", rc);
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exit(1);
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}
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if (strstr(buf, "ww ") != buf) {
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fprintf(stderr, "smoke: ww -V output not 'ww ...': %s\n", buf);
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exit(1);
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}
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if (strstr(buf, WW_VERSION) == NULL) {
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fprintf(stderr, "smoke: ww -V missing version %s in: %s\n",
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WW_VERSION, buf);
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exit(1);
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}
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}
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int
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main(void)
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{
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test_arena();
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test_version();
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test_ww_minus_v();
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puts("smoke: ok");
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return 0;
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}
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@@ -1,91 +1,106 @@
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/*
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* 400_6c — codegen smoke tests. Each row supplies a tiny ww source
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* and a list of substrings expected in the emitted .s. We don't
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* golden-match the whole file (too brittle); we just verify that
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* key opcodes and operand shapes show up.
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* 400_w6c — in-process codegen smoke tests. Each row supplies one tiny ww
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* source and the assembly fragments it must emit. Full-file golden matches
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* would bind the test to unrelated output details.
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*/
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#include "gc.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "wwtestpkg.h"
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static int
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run6c(const char *src, char **out)
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static char *
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codegen(const char *src)
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{
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char path[64];
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snprintf(path, sizeof path, "/tmp/wwt_%d.ww", getpid());
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FILE *f = fopen(path, "wb");
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if (f == NULL) return -1;
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wwtest_fputs(src, f);
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fclose(f);
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Arena *a = newarena();
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char *wrapped = wwtest_wrap(src);
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Lex l;
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Parser p;
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Checker c;
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Cg cg;
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char cmd[256];
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const char *bin = getenv("BIN");
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if (!bin) bin = "out/bin";
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snprintf(cmd, sizeof cmd, "%s/w6c %s 2>&1", bin, path);
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FILE *p = popen(cmd, "r");
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if (p == NULL) { unlink(path); return -1; }
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size_t cap = 4096, n = 0;
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char *buf = malloc(cap);
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int c;
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while ((c = fgetc(p)) != EOF) {
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if (n + 1 >= cap) { cap *= 2; buf = realloc(buf, cap); }
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buf[n++] = (char)c;
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lexinit(&l, a, "<test>", wrapped, strlen(wrapped));
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parserinit(&p, a, &l);
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Node *file = parsefile(&p);
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if (l.errs || p.errs)
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goto fail;
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check_init(&c, a);
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check_file(&c, file);
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if (c.errs)
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goto fail;
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char *out = NULL;
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size_t outlen = 0;
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FILE *f = open_memstream(&out, &outlen);
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if (f == NULL)
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goto fail;
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cg_init(&cg, a);
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cg_file(&cg, f, file);
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if (fclose(f) != 0) {
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free(out);
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out = NULL;
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}
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buf[n] = '\0';
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int rc = pclose(p);
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unlink(path);
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*out = buf;
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return rc;
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free(wrapped);
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freearena(a);
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return out;
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fail:
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free(wrapped);
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freearena(a);
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return NULL;
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}
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static int
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contains(const char *hay, const char *needle)
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{
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return strstr(hay, needle) != NULL;
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}
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struct row { const char *src; const char *needle; };
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struct row {
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const char *src;
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const char *needle[3];
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};
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static const struct row rows[] = {
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{ "fn main() i32 = { return 42; };", "MOVQ\t$42, AX" },
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{ "fn main() i32 = { return 42; };", "RET" },
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{ "fn id(x: i32) i32 = { return x; };","MOVQ\tDI, -8(BP)" },
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{ "fn add(a: i32, b: i32) i32 = { return a + b; };", "ADDQ\tBX, AX" },
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{ "fn sub(a: i32, b: i32) i32 = { return a - b; };", "SUBQ\tBX, AX" },
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{ "fn mul(a: i32, b: i32) i32 = { return a * b; };", "IMULQ\tBX, AX" },
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{ "fn neg(x: i32) i32 = { return -x; };", "NEGQ\tAX" },
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{ "fn cmp(a: i32, b: i32) bool = { return a == b; };", "CMPQ\tBX, AX" },
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{ "fn cmp(a: i32, b: i32) bool = { return a == b; };", "JE" },
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{ "fn main() i32 = { return 42; };", { "MOVQ\t$42, AX", "RET" } },
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{ "fn id(x: i32) i32 = { return x; };", { "MOVQ\tDI, -8(BP)" } },
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{ "fn add(a: i32, b: i32) i32 = { return a + b; };", { "ADDQ\tBX, AX" } },
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{ "fn sub(a: i32, b: i32) i32 = { return a - b; };", { "SUBQ\tBX, AX" } },
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{ "fn mul(a: i32, b: i32) i32 = { return a * b; };", { "IMULQ\tBX, AX" } },
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{ "fn neg(x: i32) i32 = { return -x; };", { "NEGQ\tAX" } },
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{ "fn cmp(a: i32, b: i32) bool = { return a == b; };",
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{ "CMPQ\tBX, AX", "JE" } },
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{ "fn cond(x: i32) i32 = { if (x > 0) { return 1; }; return 0; };",
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"CMPQ\t$0, AX" },
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{ "fn lo() void = { for (let i: i32 = 0; i < 10; i += 1) { }; };", "JMP" },
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{ "fn callit() i32 = { return 1; };", "TEXT main.callit,$0" },
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{ "CMPQ\t$0, AX" } },
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{ "fn lo() void = { for (let i: i32 = 0; i < 10; i += 1) { }; };",
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{ "JMP" } },
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{ "fn callit() i32 = { return 1; };", { "TEXT main.callit,$0" } },
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};
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int
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main(void)
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{
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int n = sizeof rows / sizeof rows[0];
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int nfrag = 0;
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int fail = 0;
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for (int i = 0; i < n; i++) {
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char *out = NULL;
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int rc = run6c(rows[i].src, &out);
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if (rc != 0) {
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fprintf(stderr, "row %d: w6c rc=%d\n", i, rc);
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fail++;
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free(out);
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int want = 0;
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while (want < 3 && rows[i].needle[want] != NULL)
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want++;
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nfrag += want;
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char *out = codegen(rows[i].src);
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if (out == NULL) {
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fprintf(stderr, "row %d: frontend/codegen failed\n", i);
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fail += want;
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continue;
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}
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if (!contains(out, rows[i].needle)) {
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for (int j = 0; j < want; j++) {
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if (strstr(out, rows[i].needle[j]) != NULL)
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continue;
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fprintf(stderr, "row %d: missing '%s' in:\n%s\n",
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i, rows[i].needle, out);
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i, rows[i].needle[j], out);
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fail++;
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}
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free(out);
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}
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if (fail) { fprintf(stderr, "%d/%d w6c tests failed\n", fail, n); return 1; }
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printf("w6c: %d/%d ok\n", n, n);
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if (fail) {
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fprintf(stderr, "%d/%d w6c fragments failed\n", fail, nfrag);
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return 1;
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}
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printf("w6c: %d/%d fragments ok in %d sources\n", nfrag, nfrag, n);
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return 0;
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}
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