cdump: handle multi-line preprocessor directives.

[ccan] / ccan / cdump / test / run-multiline.c

diff --git a/ccan/cdump/test/run-multiline.c b/ccan/cdump/test/run-multiline.c
new file mode 100644 (file)
index 0000000..50f4e75
--- /dev/null
+++ b/ccan/cdump/test/run-multiline.c
@@ -0,0 +1,75 @@
+#include <ccan/cdump/cdump.h>
+/* Include the C files directly. */
+#include <ccan/cdump/cdump.c>
+#include <ccan/tap/tap.h>
+
+int main(void)
+{
+       struct cdump_definitions *defs;
+       const struct cdump_type *t;
+       char *ctx = tal(NULL, char), *problems;
+
+       /* This is how many tests you plan to run */
+       plan_tests(30);
+
+       /* Multi-line preprocessor statement. */
+       defs = cdump_extract(ctx,
+                            "#if \\\n"
+                            "SOME\\\n"
+                            "THING\n"
+                            "enum foo { BAR };", &problems);
+       ok1(defs);
+       ok1(tal_parent(defs) == ctx);
+
+       ok1(strmap_empty(&defs->structs));
+       ok1(strmap_empty(&defs->unions));
+       t = strmap_get(&defs->enums, "foo");
+       ok1(t);
+       ok1(t->kind == CDUMP_ENUM);
+       ok1(streq(t->name, "foo"));
+       ok1(tal_count(t->u.enum_vals) == 1);
+       ok1(streq(t->u.enum_vals[0].name, "BAR"));
+       ok1(!t->u.enum_vals[0].value);
+
+       defs = cdump_extract(ctx,
+                            "enum foo {\n"
+                            "#if \\\n"
+                            "SOME\\\n"
+                            "THING\n"
+                            " BAR };", &problems);
+       ok1(defs);
+       ok1(tal_parent(defs) == ctx);
+
+       ok1(strmap_empty(&defs->structs));
+       ok1(strmap_empty(&defs->unions));
+       t = strmap_get(&defs->enums, "foo");
+       ok1(t);
+       ok1(t->kind == CDUMP_ENUM);
+       ok1(streq(t->name, "foo"));
+       ok1(tal_count(t->u.enum_vals) == 1);
+       ok1(streq(t->u.enum_vals[0].name, "BAR"));
+       ok1(!t->u.enum_vals[0].value);
+
+       /* Multi-line "one-line" comment. */
+       defs = cdump_extract(ctx,
+                            "enum foo {\n"
+                            "// Comment \\\n"
+                            "SOME\\\n"
+                            "THING\n"
+                            " BAR };", &problems);
+       ok1(defs);
+       ok1(tal_parent(defs) == ctx);
+
+       ok1(strmap_empty(&defs->structs));
+       ok1(strmap_empty(&defs->unions));
+       t = strmap_get(&defs->enums, "foo");
+       ok1(t);
+       ok1(t->kind == CDUMP_ENUM);
+       ok1(streq(t->name, "foo"));
+       ok1(tal_count(t->u.enum_vals) == 1);
+       ok1(streq(t->u.enum_vals[0].name, "BAR"));
+       ok1(!t->u.enum_vals[0].value);
+
+       /* This exits depending on whether all tests passed */
+       return exit_status();
+}